Corrosion-resistive and Low Specific Contact Resistance Ohmic Contacts to Semiconducting Diamonds Using Nanocarbon electrodes Reviewed International journal

#Sreenath Mylo Valappil, @Abdelrahman Zkria, @Shinya Ohmagari, @Hiroshi Naragino, @Hiromitsu Kato, @Tsuyoshi Yoshitake

Phys. Status Solidi A   2023.2

Adhesion of Nanodiamond composite films on Ti substrates at Room Temperature via hybrid ion etching gun and coaxial arc plasma deposition Reviewed International journal

#Lama Osman, @Ali M. Ali, @Abdelrahman Zkria, @Hiroshi Naragino, @Tsuyoshi Yoshitake

Applied Physics Express   2022.10

Nanocarbon electrodes fabricated by coaxial arc plasma deposition for phosphorus-doped diamond electronics application Reviewed International journal

#Sreenath Mylo Valappil, @Shinya Ohmagari, @Abdelrahman Zkria, #Phongsaphak Sittimart, @Eslam Abubakr, @Hiromitsu Kato, @Tsuyoshi Yoshitake

AIP Advances   2022.8

Formation of p-n+ diamond homojunctions by shallow doping of phosphorus through liquid emersion excimer laser irradiation Invited Reviewed International journal

@Eslam Abubakr, @Shinya Ohmagari, @Abdelrahman Zkria, @Hiroshi Ikenoue, @Julien Pernot, and @Tsuyoshi Yoshitake

Materials Research Letters   2022.6

Laser-induced novel ohmic contact formation for effective charge collection in diamond detectors Reviewed International journal

#Eslam Abubak, @ShinyaOhmagar, @Abdelrahman Zkria, @Hiroshi Ikenoue, and @Tsuyoshi Yoshitake

Materials Science in Semiconductor Processing   2022.3

Effects of substrate temperature and intermediate layer on adhesion, structural and mechanical properties of coaxial arc plasma deposition grown nanodiamond composite films on Si substrates Reviewed International journal

#Ali M. Ali, @Mohamed Egiza, #Koki Murasawa, @Hiroaki Sugita, @Tanja Deckert-Gaudig, @Volker Deckert, @Tsuyoshi Yoshitake

Surface & Coatings Technology   2021.6

Laser-Induced Phosphorus-Doped Conductive Layer Formation on Single-crystal Diamond Surfaces Reviewed International journal

ACS Applied Materials & Interfaces   12   2020.12

Influence of adhesion intermediate layers on the stability of nanodiamond composite films deposited on Si substrates by coaxial arc plasma Reviewed International journal

#Ali M. Ali, @Mohamed Egiza, Koki Murasawa, Hiroaki Sugita, Tanja Deckert-Gaudig, Volker Deckert, and @Tsuyoshi Yoshitake

Applied Physics Express   2020.6

Monitoring laser-induced structural evolution of hydrogenated nanodiamond composite films prepared by coaxial arc plasma deposition Invited Reviewed International journal

@Abdelrahman Zkria, @Mohamed Egiza, @Ariful Haque, #Eslam Abubakr, @Jagdish Narayan, @Tsuyoshi Yoshitake

Applied Physics Express   2020.6

Near- And far-field Raman spectroscopic studies of nanodiamond composite films deposited by coaxial arc plasma Reviewed International journal

#M. Ali Ali, Tanja Deckert-Gaudig, #Mohamed Egiza, Volker Deckert, @Tsuyoshi Yoshitake

Applied Physics Letters   116 ( 4 )   2020.1

Enhanced hardness of nanocarbon films deposited on cemented tungsten carbide substrates by coaxial arc plasma deposition owing to employing silicon-doped graphite targets Invited Reviewed International journal

#Mohamed Egiza, #Kouki Murasawa, #Ali M. Ali, Yasuo Fukui, Hidenobu Gonda, and Masatoshi Sakurai, and @Tsuyoshi Yoshitake

Japanese Journal of Applied Physics   58 ( 7 )   2019.7

Negative bias effects on deposition and mechanical properties of ultrananocrystalline diamond/amorphous carbon composite films deposited on cemented carbide substrates by coaxial arc plasma Reviewed International journal

#Ali M. Ali, #Mohamed Egiza, #Koki Murasawa, Yasuo Fukui, Hidenobu Gonda, Masatoshi Sakurai, @Tsuyoshi Yoshitake

Diamond and Related Materials   96   67 - 73   2019.6

Formation of low resistivity layers on singlecrystalline diamond by excimer laser irradiation Reviewed International journal

Diamond and Related Materials   95   166 - 173   2019.5

Hydrogenation effects on thermal conductivity of ultrananocrystalline diamond/amorphous carbon com-posite films prepared by coaxial arc plasma deposition Reviewed International journal

#Satoshi Takeichi, @Takashi Nishiyama, @Mitsuru Tabara, @Shuichi Kawawaki, @Masamichi Kohno, @Koji Takahashi, @Tsuyoshi Yoshitake

Appl. Phys. Express   2018.6

Temperature-dependent current-voltage characteristics and ultraviolet light detection of heterojunction diodes comprising n-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite films and p-type silicon substrates Reviewed International journal

#Abdelrahman Zkria, @Tsuyoshi Yoshitake

Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes   56 ( 7 )   2017.7

Photodetection Characteristics of Heterojunctions Comprising p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films and n-Type Si Substrates at Low Temperatures Reviewed International journal

#Takanori Hanada, @Shinya Ohmagari, #Abdelrahman Zkria, @Nathaporn Promros, @Tsuyoshi Yoshitake

Journal of Nanoelectronics and Nanotechnology   2017.5

Application of nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films for ultraviolet detection Reviewed International journal

#Abdelrahman Zkria, #Hiroki Gima, @Tsuyoshi Yoshitake

Appl. Phys. A   2017.2

Chemical bonding structural analysis of nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition Reviewed International journal

#Hiroki Gima, #Abdelrahman Zkria, @Yuki Katamune, @Ryota Ohtani, @Satoshi Koizumi, @Tsuyoshi Yoshitake

Applied Physics Express   10 ( 1 )   2017.1

Current transport mechanisms in n-type ultrananocrystalline diamond/p-type Si heterojunctions Reviewed International journal

#Abdelrahman Zkria, @Mahmoud Shaban, #Takanori Hanada, @Nathaporn Promros, @Tsuyoshi Yoshitake

Journal of Nanoscience and Nanotechnology   16 ( 12 )   12749 - 12753   2016.12

Effects of Nitrogen doping on the electrical conductivity and optical absorption of ultrananocrystalline diamond/hydrogenated amorphous carbon films prepared by coaxial arc plasma dep Reviewed International journal

#Abdelrahman Zkria, @Yuki Katamune, @Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2016.7

Epitaxial Growth of beta-FeSi2 Thin Films on Si(111) Substrates by Radio Frequency Magnetron Sputtering and Their Application to Near-Infrared Photodetection Reviewed International journal

@Nathaporn Promros, #Ryuji Baba, #Motoki Takahara, #Tarek M. Mostafa, @Phongsaphak Sittimart, @Mahmoud Shaban, @Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2016.6

Room-temperature hard coating of ultrananocrystalline diamond/nonhydrogenated amorphous carbon composite films on tungsten carbide by coaxial arc plasma deposition Reviewed International journal

Hiroshi Naragino, Mohamed Egiza, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys. (Rapid Communication)   2016.1

Detection Methods of Diamond Diffraction Peaks in Ultrananocrystalline diamond?Amorphous Carbon Composite Films by X-ray Diffraction Measurement with Semiconductor Counter Detector Reviewed International journal

Takeshi Hara, Kenji Hanada, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys   2015.11

Hydrogenation effects on carrier transport in boron-doped ultrananocrystalline diamond/amorphous carbon films prepared by coaxial arc plasma deposition Reviewed International journal

J. Vac. Sci. Tech. A   2015.9

Electrical Characteristics of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition Reviewed International journal

Abdelrahman Zkria, Hiroki Gima, Mahmoud Shaban, Tsuyoshi Yoshitake

Appl. Phys. Express   2015.9

A synthesis method of ultrananocrystalline diamond in powder employing a coaxial arc plasma gun Reviewed International journal

Hiroshi Naragino, Aki Tominaga, Kenji Hanada, Tsuyoshi Yoshitake

Appl. Phys. Express   2015.7

Heteroepitaxial growth of b-AlN films on sapphire (0001) in nitrogen atmospheres by pulse laser deposition Reviewed International journal

Jpn. J. Appl. Phys.   2015.6

Hardness and modulus of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition Reviewed International journal

Kenji Hanada, Tomohiro Yoshida, You Nakagawa, Hiroki Gima, Aki Tominaga, Masaaki Hirakawa, Yoshiaki Agawa, Takeharu Sugiyama, Tsuyoshi Yoshitake

Appl. Phys. A   2015.2

Influences of repetition rate of arc discharges on hardness and modules of ultrananocrystalline diamond films prepared by coaxial arc plasma deposition Reviewed International journal

Tomohiro Yoshida, Kenji Hanada, Hiroki Gima, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Aki Tominaga, Tsuyoshi Yoshitake

Mater. Res. Express   2015.1

同軸型アークプラズマ堆積法による超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜の合成 Invited

片宗優貴, 楢木野宏, 花田 賢志, 冨永 亜希, 吉武 剛

2015.1

Carrier Transport and Photodetection in Heterojunction Photodiodes Comprising n-Type Silicon and p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Reviewed International journal

Jpn. J. Appl. Phys.   2014.5

Current-induced Magnetization Switching at Low Current Densities in CPP Structural Fe3Si/FeSi2 Artificial Lattices Reviewed International journal

Ken-ichiro Sakai, Yuta Noda, takeshi Daio, Daiki Tsumagari, Aki Tominaga, Kaoru Takeda, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2014.2

Temperature-Dependent Interlayer coupling in Fe3Si/FeSi2 artificial lattices Reviewed International journal

Ken-ichiro Sakai, Yuta Noda, Daiki Tsumagari, Hiroyuki Deguchi, Kaoru Takeda, Tsuyoshi Yoshitake

Phys. Status Solidi A   2014.2

Chemical Bonding of Nitrogenated Ultrananocrystalline Diamond Films Deposited on Titanium Substrates by Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Hiroki Gima, Hiroshi Akamine, Tsuyoshi Yoshitake

ECS J. Solid State Sci. Technol.   2013.11

Crystalline-Structural Evaluations of Cubic AlN Thin Films Heteroepitaxially Grown on Sapphire(0001) by Pulsed Laser Deposition Reviewed International journal

Yutaro Ueda, Takeshi Daio, Tomohiro Yoshida, Aki Tominaga, Toshihiro Okajima, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2013.6

Heterojunction Diodes Comprising p-Type Ultrananocrystalline Diamond Films Prepared by Coaxial Arc Plasma Deposition and n-Type Silicon Substrates Reviewed International journal

Yuki Katamune, Shinya Ohmagari, Sausan Al-Riyami, Seishi Takagi, Mahmoud Shaban, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2013.6

Effects of Hydrogen and Nitrogen Atmospheres on Growth of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films by Reactive Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Hiroki Gima, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2013.6

Evaluation of n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Pulsed Laser Deposition as Near-Infrared Photodetectors Reviewed International journal

Nathaporn Promros, Li Chen, Tsuyoshi Yoshitake

J. Nanosci. Nanotechnol.   2013.5

Near-Infrared Photodetection of beta-FeSi2/Si Heterojunction Photodiodes at Low Temperatures Reviewed International journal

Shotra Izumi, Mahmoud Shaban, Nathaporn Promros, Keita Nomoto, Tsuyoshi Yoshitake

Appl. Phys. Lett.   2013.2

Effect of chromium underlayer on the properties of nano-crystalline diamond films Reviewed International journal

E. Garratt, S. AlFaify, Tsuyoshi Yoshitake, Yuki Katamune, M. Bowden, M. Nandasiri, M. Ghantasala, D. C. Mancini, S. Thevuthasan, A. Kayani

Appl. Phys. Lett.   2013.1

物理気相成長法による超ナノ微結晶ダイヤモンドの生成とドーピングによる結晶粒成長促進効果 Invited Reviewed

大曲新矢, 花田 賢志, 片宗優貴, 吉田智博, 吉武 剛

日本結晶成長学会誌   2012.12

Effects of Hydrogen Passivation on Near-Infrared Photodetection of n-Type -FeSi2/p-Type Si Heterojunction Photodiodes Reviewed International journal

Nathaporn Promros, Kyohei Yamashita, Ryuhei Iwasaki, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.10

超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜の受光素子への応用 Invited Reviewed International journal

大曲新矢, 吉武 剛

表面科学   2012.10

Near-Infrared Photodetection of n-Type β-FeSi2/intrinsic Si/p-Type Si Heterojunctions at low temperatures Reviewed International journal

Nathaporn Promros, Kyohei Yamashita, Shota Izumi, Ryu¯hei Iwasaki, Mahmoud Shaban, Tsuyoshi Yoshitake

2012.9

p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition and Their Application to Photodetectors Invited Reviewed International journal

Shinya Ohmagari, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.7

Boron-Induced Dramatically Enhanced Growth of Diamond Grains in Nanocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films deposition by Coaxial Arc Plasma Deposition Reviewed International journal

Yuki Katamune, Shinya Ohmagari, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.7

Effects of Aluminum Incorporation on Diamond Grain Growth in Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition Reviewed International journal

Yuki Katamune, Shinya Ohmagari, Itsuroh Suzuki, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.6

Deep-Ultraviolet Light Detection of p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Reviewed International journal

Shinya Ohmagari, Tsuyoshi Yoshitake

Appl. Phys. Express   2012.6

"Enhanced growth of diamond grains in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films by pulsed laser deposition with boron-blended graphite targets" Reviewed International journal

Jpn. J. Appl. Phys.   2012.2

Current-Induced Magnetization Switching in Fe3Si/FeSi2 Artificial Lattices Reviewed International journal

Ken-ichiro Sakai, Takayuki Sonoda, Shin-ichi Hirakawa, Kaoru Takeda, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.2

n-Type Nanocrystalline FeSi2/intrinsic Si/p-Type Si Heterojunction Photodiodes fabricated by Facing-Targets Direct-Current Sputtering Reviewed International journal

Nathaporn Promros, Kyohei Yamashita, Chen Li, Kenji Kawai, Mahmoud Shaban, Toshihiro Okajima, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2012.1

Temperature-Dependent Current-Induced Magnetization Switching in Fe3Si/FeSi2/Fe3Si trilayered films Reviewed International journal

Shin-ichi Hirakawa, Takayuki Sonoda, Ken-ichiro Sakai, Kaoru Takeda1, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2011.8

Near-Edge X-ray Absorption Fine-Structure Spectroscopic Study on Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2011.8

超ナノ微結晶ダイヤモンド/水素化アモルファスカーボンを用いたフォトダイオードの作製 Invited

大曲新矢，吉武剛

2011.7

Fourier Transform Infrared Spectroscopic Study of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed laser Deposition Reviewed International journal

Al-Riyami Sausan, Shinya Ohmagari, and Tsuyoshi Yoshitake

Diamond Relat. Mater.   2011.6

p-Type ultrananocrystalline diamond/hydrogenated amorphous carbon composite/n-type Si heterojunction diodes fabricated by pulsed laser deposition Reviewed International journal

Shinya Ohmagari, Sausan Al-Riyami, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2011.3

超ナノ微結晶ダイヤモンド/水素化アモルファスカーボンの受光素子への応用に向けた基盤研究

吉武 剛，大曲新矢，アリヤミ サウサン，大谷亮太，隅谷和嗣，瀬戸山寛之，小林英一，岡島敏浩，平井康晴

2011.2

Formation of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films in Vacuum by Using A Coaxial Arc Plasma Gun Reviewed International journal

Kenji Hanada, Tomohiro Yoshida, You Nakagawa, and Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2010.12

n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunction Photodiodes Prepared at Room Temperature Reviewed International journal

Mahmoud Shaban, Kenji Kawai, Nathaporn Promros, and Tsuyoshi Yoshitake

IEEE Electron Device Lett.   2010.12

Electrical Properties and Chemical Bonding Structures of Nitrogen-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake

Appl. Phys. Express   2010.11

Time-Resolved Spectroscopic Observation of Deposition Processes of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films by Using a Coaxial Arc Plasma Gun Reviewed International journal

Kenji Hanada, Tsuyoshi Yoshitake, Takashi Nishiyama, and Kunihito Nagayama

Jpn. J. Appl. Phys.   2010.8

超ナノ微結晶ダイヤモンド/水素化アモルファスカーボン混相膜の化学結合構造と機械物性 Invited Reviewed

吉武 剛

まてりあ   2010.7

Optical Emission Spectroscopic of Deposition Process of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by Using a Coaxial Arc Plasma Gun Reviewed International journal

Kenji Hanada, Takashi Nishiyama, Tsuyoshi Yoshitake, and Kunihito Nagayama

Diamond Relat. Mater.   2010.5

Influences of repetition rate of laser pulses on growth of crystalline AlN films on sapphire(0001) substrates by pulsed laser deposition Reviewed International journal

Kazushi Sumitani, Ryota Ohtani, Tomohiro Yoshida, You Nakagawa, Satoshi Mohri, Tsuyoshi Yoshitake

Diamond Relat. Mater.   2010.4

X-ray photoemission spectroscopy study of ultrananocrystalline diamond/hydrogenated amorphous carbon films prepared by pulsed laser deposition Reviewed International journal

Shinya Ohmagari, Tsuyoshi Yoshitake, Akira Nagano, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, and Kunihito Nagayama

Diamond Relat. Mater.   2010.4

X-ray Photoemission Spectroscopy of Nitrogen-Doped UNCD /a-C:H Films Prepared by Pulse Laser Deposition Reviewed International journal

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake

Diamond Relat. Mater.   2010.4

Formation of p-Type Semiconducting Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by Boron Doping Reviewed International journal

Shinya Ohmagari, Tsuyoshi Yoshitake , Akira Nagano, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, Takeshi Hara, and Kunihito Nagayama

Jpn. J. Appl. Phys.   2010.3

Synchrotron X-ray Diffraction Study of Single-Phase β-AlN Thin Film Heteroepitaxially Grown on a Sapphire(0001) Substrate by Pulsed Laser Deposition Reviewed International journal

2010.2

Structural and physical characteristics of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films deposited using a coaxial arc-plasma gun Reviewed International journal

Tsuyoshi Yoshitake, You Nakagawa, Akira Nagano, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, Kazushi Sumitani, Yoshiaki Agawa, and Kunihito Nagayama

Jpn. J. Appl. Phys.   2010.1

"n-Type β-FeSi2/intrinsic-Si/p-type Si heterojunction photodiodes for near-infrared light detection at room temperature" Reviewed International journal

2009.10

"Characterization of near-infrared n-type β-FeSi2/p-type Si heterojunction photodiodes at room temperature" Reviewed International journal

2009.6

"Near-edge X-ray absorption fine-structure of ultrananocrystalline diamond/amorphous carbon films prepared by pulsed laser deposition" Reviewed International journal

Shinya Ohmagari, Tsuyoshi Yoshitake, Akira Nagano, Sausan AL-Riyama, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi and Kunihito Nagayama

J. Nanomater.   2009.3

"Near-edge X-ray absorption fine-structure, X-ray photoemission, Fourier transfer infrared spectroscopies of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films" Reviewed International journal

Tsuyoshi YOSHITAKE , Akira NAGANO, Shinya OHMAGARI, Masaru ITAKURA, Noriyuki KUWANO, Ryota OHTANI, Hiroyuki SETOYAMA, Eiichi KOBAYASHI, and Kunihito NAGAYAMA

Jpn. J. Appl. Phys.   2009.2

"Time-resolved Observation of Deposition Process of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films in Pulsed Laser Deposition" Reviewed International journal

Kenji Hanada, Takashi Nishiyama, Tsuyoshi Yoshitake, and Kunihito Nagayama

J. Nanomater.   2009.1

"Optical properties of ultrananocrystalline diamond/amorphous carbon composite films prepared by pulsed laser deposition" Reviewed International journal

Akira NAGANO and Tsuyoshi YOSHITAKE, Takeshi HARA and Kunihito NAGAYAMA

Diamond Rel. Mater.   2008.8

"Growth of metastable cubic AlN by reactive pulsed laser deposition" Reviewed International journal

Satoshi MOHRI, Tsuyoshi YOSHITAKE, Takeshi HARA, and Kunihito NAGAYAMA

Diamond Rel. Mater.   2008.8

"Electrical and Photovoltaic Properties of n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Facing Target Direct-current Sputtering at Room Temperature" Reviewed International journal

Mahmoud SHABAN, Haruhiko KONDO, Kazuhiro NAKASHIMA, and Tsuyoshi YOSHITAKE

Jpn. J. Appl. Phys   2008.7

"Low-temperature Annealing of n-type β-FeSi2/p-type Si Heterojunctions" Reviewed International journal

2008.5

"Growth of metastable β-AlN by pulsed laser deposition" Reviewed International journal

2008.5

"Enhanced interlayer coupling and magnetoresistance ratio in Fe3Si/FeSi2 superlattices" Reviewed International journal

Kaoru TAKEDA, Tsuyoshi YOSHITAKE , Yoshiki SAKAMOTO, Tetsuya OGAWA, Daisuke HARA, Masaru ITAKURA, Noriyuki KUWANO, Toshinori KAJIWARA, and Kunihito NAGAYAMA

Appl. Phys. Express   2008.2

"Substrate Temperature Dependence of Photovoltaic Properties of β-FeSi2/Si Heterojunctions Prepared by Facing-target DC Sputtering" Reviewed International journal

2007.12

"Epitaxy in Fe3Si/FeSi2 superlattices prepared by facing target direct-current sputtering at room tempertaure" Reviewed International journal

Kaoru TAKEDA, Tsuyoshi YOSHITAKE, Dai NAKAGAUCHI, Tetsuya OGAWA, Daisuke HARA, Masaru ITAKURA, Noriyuki KUWANO, Yoshitsugu TOMOKIYO, Toshiyuki KAJIWARA, and Kunihito Nagayama

Jpn. J. Appl. Phys. Part 1   2007.12

"Spectral absorption properties of ultrananocrystalline diamond/amorphous carbon composite thin films prepared by pulsed laser deposition" Reviewed International journal

Tsuyoshi YOSHITAKE, Akira NAGANO, Masaru ITAKURA, Noriyuki KUWANO, Takeshi HARA, and Kunihito NAGAYAMA

Jpn. J. Appl. Phys. Part 2   2007.10

"Photovoltaic Properties of n-type β-FeSi2/p-type Si Heterojunctions" Reviewed International journal

2007.7

"Interlayer coupling in ferromagnetic epitaxial Fe3Si/FeSi2 superlattices" Reviewed International journal

T. Yoshitake, T. Ogawa, D. Nakagauchi, D. Hara, M. Itakura, N. Kuwano, Y. Tomokiyo, K. Takeda, T. Kajiwara, M. Ohashi, G. Oomi and K. Nagayama

Appl. Phys. Lett.   2006.12

"Direct epitaxial growth of semiconducting beta-FeSi2 thin films by facing targets direct-current sputtering" Reviewed International journal

T. Yoshitake, Y. Inokuchi, A. Yuri, and K. Nagayama

Appl. Phys. Lett.   2006.6

"Enhanced optical absorption in nano crystalline FeSi2 and hydrogenation effect on its characteristic energy" Reviewed International journal

K. Takarabe, H. Doi, Y. Mori, K. Fukui, T. Yoshitake, K. Nagayama

Appl. Phys. Lett.   2006.2

"Room-temperature epitaxial growth of ferromagnetic Fe3Si films on Si(111) by facing target direct-current sputtering" Reviewed International journal

T. Yoshitake, D. Nakagauchi, T. Ogawa, M. Itakura, N. Kuwano, Y. Tomokiyo, T. Kajiwara, and K. Nagayama

Appl. Phys. Lett.   86 ( 26 )   2005.9

"Low-Temperature Growth of Nanocrystalline Diamond by Reactive Pulsed Laser Deposition under a Hydrogen Atmosphere" Reviewed International journal

Tsuyoshi Yoshitake, Takeshi Hara, Tomohito Fukugawa, Ling yun Zhu, Masaru Itakura, Noriyuki Kuwano, Yoshitsugu Tomokiyo and Kunihito Nagayama

Jpn. J. Appl. Phys. Part2   43 ( 2B )   L240 - L242   2004.6

"Semiconducting nanocrystalline iron disilicide thin films prepared by pulsed-laser ablation" Reviewed International journal

T. Yoshitake, M. Yatabe, M. Itakura, N. Kuwano, Y. Tomokiyo, and K. Nagayama

Appl. Phys. Lett.   83 ( 15 )   3057 - 3059   2003.10

"Homo-Growth of Diamond Single Phase Thin Films by Pulsed Laser Ablation of Graphite" Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama and Kunihito Nagayama

Jpn. J. Appl. Phys. Part2   2001.6

"Droplet-free thin films deposited by pulsed laser deposition using a mechanical filter" Reviewed International journal

Tsuyoshi Yoshitake, Gousuke Shiraishi, and Kunihito Nagayama

Jpn. J. Appl. Phys. Part1   2001.2

Engineered eco-friendly composite membranes with superhydrophobic/hydrophilic dual-layer for DCMD system Reviewed International journal

@Mostafa M. Sayed, @H. Noby, @Abdelrahman Zkria, @Hamouda M. Mousa, @Tsuyoshi Yoshitake, @Marwa ElKady

Chemosphere   2024.2

A comparative study of photoelectric performance of Ga2O3 solar-blind photodetectors with symmetric and asymmetric electrodes Reviewed International journal

@Chien-Yie Tsay, @Hsuan-Meng Tsai, @Phongsaphak Sittimart, @Sreenath Mylo Valappil, #Takafumi Kusaba, @Tsuyoshi Yoshitake

Thin Solid Films   2023.11

Synthesis and comprehensive synchrotron-based structural analysis of Si-doped nanodiamond composite films deposited on cemented carbide Reviewed International journal

@Mohamed Egiza, @Ali M. Ali, #Mohamed R. Diab, @Nader Hemaya, @Koki Murasawa, @Tsuyoshi Yoshitake

Surface and Coatings Technology   2023.10

Advances in Nitrogen-Vacancy color centers in diamond for magnetometry: Advantages and Challenges International journal

#Ali Abdelrahman, @Abdelrahman Zkria, @Tsuyoshi Yoshitake

Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES)   2023.10

Effects of Target-Substrate Distance on Growth and Mechanical Characteristics of Nanodiamond Composite Coatings Fabricated by Coaxial Arc Plasma Deposition on WC-Co Substrate Reviewed International journal

#Mohamed Ragab Diab, @Mohamed Egiza, @Koki Murasawa, @Hiroshi Naragino, @Tsuyoshi Yoshitake

Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES)   2023.10

Overcoming the impact of post-annealing on uniformity of diamond (100) Schottky barrier diodes through corrosion-resistant nanocarbon ohmic contacts Reviewed International journal

#Sreenath Mylo Valappil, @Abdelrahman Zkria, @Shinya Ohmagari, @Tsuyoshi Yoshitake

Materials Research Express   2023.7

Successful preparation of polyaniline-modified polystyrene novel composite membrane Reviewed International journal

@Atusaye G. Sichali, @Hussien Noby, @Hiroshi Naragino, @Tsuyoshi Yoshitake, @Ahmed H. El-Shazly

Journal of Applied Polymer Science   2023.7

Low-volume-loss surface polishing with a krypton fluoride excimer laser for polycrystalline diamond films Reviewed International journal

@Y. Katamune, @K. Murasawa, @T. Yoshitake, @T. Kikuchi, @K. Imokawa, @H. Ikenoue

Applied Physics Letters   2023.7

Hybrid concentrator photovoltaic/membrane distillation system for potable water production using new fabricated PS/ZIF_L membrane Reviewed International journal

@Mohammed Rabie, @Asmaa Elrasheedy, @Abdelrahman Zkria, @M.F. Elkady, @Tsuyoshi Yoshitake, @A.H. El-Shazly

Journal of Water Process Engineering   2023.7

B-doped nanodiamond composite hard coatings deposited on cemented carbide: Mechanical, structural, and tribological properties Reviewed International journal

Mohamed Egiza, Ali M. Ali, Koki Murasawa, and Tsuyoshi Yoshitake

International Journal of Refractory Metals and Hard Materials   2023.7

Thermally Stable and Radiation-Proof Visible-Light Photodetectors Made from N-Doped Diamond Reviewed International journal

@Phongsaphak Sittimart, @Shinya Ohmagari, @Hitoshi Umezawa, @Hiromitsu Kato, @Kotaro Ishiji, @Tsuyoshi Yoshitake

Advanced Optical Materials   2023.7

Influence of different pretreatments on the adhesion of nanodiamond composite films on Ti substrates via coaxial arc plasma deposition Reviewed International journal

#Lama Osman, @Ali M. Ali, @Abdelrahman Zkria, @Hiroshi Naragino, @Tsuyoshi Yoshitake

Materials Research Express   2023.6

Hybridized high concentration photovoltaic unit with enhanced performance air gap membrane distillation unit via depositing reduced graphene oxide layer upon the condensation plate using electrophoretic deposition technique Reviewed International journal

@Mohammed Rabie, @M.F. Elkady, @Tsuyoshi Yoshitake, @A.H. El-Shazly

Energy Reports   2023.3

Investigation of morphological surface features, wetting behavior and mechanical traits under various substrate temperatures for beta iron disilicide prepared via facing-targets sputtering Reviewed International journal

@Peerasil Charoenyuenyao, @Rawiwan Chaleawpong, @Nattakorn Borwornpornmetee, @Boonchoat Paosawatyanyong, #Phongsaphak Sittimart, @Tsuyoshi Yoshitake, and @Nathaporn Promros

Materials Science in Semiconductor Processing   2022.8

Reverse bias dependent impedance and dielectric properties of Al/n-NC FeSi2/p-Si/Pd heterostructures formed by facing-targets sputtering Invited Reviewed International journal

@Nattakorn Borwornpornmetee, @Rawiwan Chaleawpong, @Peerasil Charoenyuenyao, @Adison Nopparuchikun, @Boonchoat Paosawatyanyong, #Phongsaphak Sittimart, @Tsuyoshi Yoshitake, and @Nathaporn Promros

Materials Science in Semiconductor Processing   2022.8

Physical Properties of Fe3Si Films Coated through Facing Targets Sputtering after Microwave Plasma Treatment Reviewed International journal

@Nattakorn Borwornpornmetee, @Peerasil Charoenyuenyao, @Rawiwan Chaleawpong, @Boonchoat Paosawatyanyong, @Rungrueang Phatthanakun, @Phongsaphak Sittimart, @Kazuki Aramaki, #Takeru Hamasaki, @Tsuyoshi Yoshitake, and @Nathaporn Promros

Coating   2022.6

Enhancement of Antiwetting Properties of Polystyrene Nanofibrous Membrane by Doping with Graphene Nanoplatelets Reviewed International journal

@Asmaa Elrasheedy, @Marwa El Kady, @Mohamed Bassyouni, @Tsuyoshi Yoshitake, @Ahmed Elshazly

Materials Science Forum   2022.5

Impact of Laser-Induced Graphitization on Diamond Schottky Barrier Diodes Reviewed International journal

#Tomoki Iwao, #Phongsaphak Sittimart, @Tsuyoshi Yoshitake, @Hitoshi Umezawa, @Shinya Ohmagari

physica status solidi (a)   2022.4

Nanodiamond/Conducting Polymer Nanocomposites for Supercapacitor Applications International journal

@Abdelrahman Zkria, @Ali M. Ali, @Imtenan Mahmoud, @Abdalla Abdelwahab, @Waleed M. A. El Rouby, and @Tsuyoshi Yoshitake

2022.3

Correlated Electrical Conductivities to Chemical Configurations of Nitrogenated Nanocrystalline Diamond Films Invited Reviewed International journal

@Abdelrahman Zkria, #Hiroki Gima, @Eslam Abubakr, @Ashraf Mahmoud, @Ariful Haque, and @Tsuyoshi Yoshitake

Nanomaterials   2022.3

Monothetic analysis and response surface methodology optimization of calcium alginate microcapsules characteristics Reviewed International journal

@Joshua Anani, @Hussien Noby, @Abdelrahman Zkria, @Tsuyoshi Yoshitake, and @Marwa ElKady

Polymers   2022.2

Highly Conductive Layers Formation on Singlecrystalline Diamond

NEW DIAMOND   2021.11

Diamond/β-Ga2O3 pn heterojunction diodes fabricated by low-temperature direct-bonding Reviewed International journal

2021.10

Enhanced in-plane uniformity and breakdown strength of diamond Schottky barrier diodes fabricated on heteroepitaxial substrates Reviewed International journal

#Phongsaphak Sittimart, @Shinya Ohmagari, @Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2021.1

Temperature-Dependent Impedance Spectra of Nitrogen-Doped Ultrananocrystalline Diamond Films Grown on Si Substrates Reviewed International journal

@Mahmoud SHABAN, @Abdelrahman ZKRIA, @Tsuyoshi YOSHITAKE

IEEE Access   2020.11

高専生のためのスピントロニクス入門－ 巨大磁気抵抗(GMR)効果とトンネル磁気抵抗(TMR)効果 －

@堺 研一郎，@奥山 哲也，@三木 弘史，@村上 秀樹，@大曲新矢，@吉武 剛

久留米高専紀要   2020.10

Impedance spectroscopy analysis of n-type (nitrogen-doped) ultrananocrystalline diamond/p-type Si heterojunction diodes Reviewed International journal

@Zkria Abdelrahman, @Mahmoud Shaban, #Abubakr Eslam, @Tsuyoshi Yoshitake

Physica Scripta   95 ( 9 )   2020.9

Diode parameters and ultraviolet light detection characteristics of n-type silicon/p-type nanocrystalline diamond heterojunctions at different temperatures Invited Reviewed International journal

@Rawiwan Chaleawpong, @Nathaporn Promros, @Abdelrahman Zkria, @Peerasil Charoenyuenyao, #Eslam Abubakr, @Tsuyoshi Yoshitake

Thin Solid Films   2020.7

Impact of Annealing Temperature and Carbon Doping on the Wetting and Surface Morphology of Semiconducting Iron Disilicide Formed via Radio Frequency Magnetron Sputtering Invited Reviewed International journal

Thin Solid Films   2020.7

Analysis of electrical characteristics of Pd/n-nanocarbon/p-Si heterojunction diodes: by C-V-f and G/w-V-f Reviewed International journal

@Abdelrahamn Zkria, #Eslam Abubakr, #Phongsaphak Sittimartt, @Tsuyoshi Yoshitake

Journal of Nanomaterials   2020   2020.6

Spin-Valve Effects in Fe/N-Doped Carbon/Fe3Si Trilayered Films Reviewed International journal

#Takuya Sakai, #Takeru Hamasaki, #Kazuki Kudo, @Ken-ichiro Sakai, @Hiroyuki Deguchi, @Tsuyoshi Yoshitake

JJAP Conf. Proc.   2020.6

Electrochemical detection characteristics of the composite films of boron-doped nanocrystalline diamond and amorphous carbon prepared using the coaxial arc plasma deposition method Reviewed

Takeshi Hara, Hiroki Hashiguchi, Masumi Ogishima, Daisuke Fujimoto, @Tsuyoshi Yoshitake

IEEJ Transactions on Electrical and Electronic Engineering   2020.1

偏極中性子反射率による[Fe3Si/FeSi2]20人工格子の磁気構造解析

花島 隆泰，鈴木 淳市，加倉井 和久，宮田 登，武田 全康，竹市 悟志，吉武 剛，堺 研一郎，出口博之

電子情報通信学会 信学技報   2019.10

Study on electrode formation for spin injection into singlecrystalline diamond

2019.10

鉄シリサイド 鉄シリサイド 材料による新規スピントロニク素子の創製 材料による新規スピントロニク素子の創製

堺研一郎，坂井拓也，石本浩起，田部井哲夫 ，西嶋雅彦 ，吉武剛

電子情報通信学会 信学技報   2019.10

Characteristics of electrochemical electrodes containing composite films of boron-doped nanocrystalline diamond and amorphous carbon Reviewed International journal

Takeshi Hara, Masaya Onishi, Takumi Takenaga, Yuta Inoue, Masumi Ogishima, Daisuke Fujimoto, and @Tsuyoshi Yoshitake

Journal of Institute of Industrial Applications Engineers   7 ( 3 )   99 - 105   2019.8

Laser-induced structure transition of diamond-like carbon coated on cemented carbide and formation of reduced graphene oxide Reviewed International journal

@Abdelrahman Zkria, Ariful Haque, #Mohamed Egiza, #Eslam Abubakr, #Koki Murasawa, @Tsuyoshi Yoshitake, Jagdish Narayan

MRS Communications   1 - 6   2019.7

Electrical properties of boron-incorporated ultrananocrystalline diamond/hydrogenated amorphous carbon composite films Reviewed International journal

Applied Physics A: Materials Science and Processing   125 ( 5 )   2019.5

Diode Parameters of Heterojunctions Comprising p-Type Ultrananocrystalline Diamond Films and n-Type Si Substrates Reviewed International journal

Rawiwan Chaleawpong, Nathaporn Promros, Peerasil Charoenyuenyao, #Takanori Hanada, #Shinya Ohmagari, #Abdelrahman Zkria, @Tsuyoshi Yoshitake

Journal of Nanoscience and Nanotechnology   19 ( 3 )   1567 - 1573   2019.3

Temperature Dependence of Alternating Current Impedance in n-Type Si/B-doped p-Type Ultrananocrystalline Diamond Heterojunctions Produced through Pulsed Laser Deposition Invited Reviewed International journal

Rawiwan Chaleawpong, Nathaporn Promros, Peerasil Charoenyuenyao, Takanori Hanada, Shinya Ohmagari, and @Tsuyoshi Yoshitake

Journal of Nanoscience and Nanotechnology   19 ( 3 )   1567 - 1573   2019.3

Optical and structural characterization of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films deposited via coaxial arc plasma Reviewed International journal

@Abdelrahman Zkria, Fouad Abdel-Wahab, Yuki Katamune, @Tsuyoshi Yoshitake

Current Applied Physics   19 ( 2 )   143 - 148   2019.2

Characterization and design optimization of heterojunction photodiodes comprising n-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite and p-type Si Reviewed International journal

Mahmoud Shaban, Abdelrahman Zkria, and @Tsuyoshi Yoshitake

Materials Science in Semiconductor Processing   2018.11

Characterization and design optimization of heterojunction photodiodes comprising n-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite and p-type Si Reviewed International journal

Mahmoud Shaban, Abdelrahman Zkria, and @Tsuyoshi Yoshitake

Materials Science in Semiconductor Processing   2018.11

Pulsed laser irradiation as a process of conductive surface formation on nanopolycrystalline diamond Reviewed International journal

Rei Fukuta, Naoya Yamamoto, Fumitaro Ishikawa, Masafumi Matsushita, @Tsuyoshi Yoshitake, @Hiroshi Ikenoue, Hiroaki Ohfuji, Toru Shinmei, Tetsuo Irifune

Japanese Journal of Applied Physics   57 ( 11 )   2018.11

Production of p-Type Si/n-Type β-FeSi₂ Heterojunctions Using Facing-Targets Direct-Current Sputtering and Evaluation of Their Resistance and Interface State Density Reviewed International journal

215 ( 20 )   2018.10

Effects of Air Exposure on Hard and Soft X-ray Photoemission Spectra of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Invited Reviewed International journal

#Mohamed Egiza, #Hiroshi Naragino, @Aki Tominaga, @Kenji Hanada, @Kazutaka Kamitani, @Takeharu Sugiyama, Eiji Ikenaga, #Koki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, and @Tsuyoshi Yoshitake

Coatings   2018.10

Laser-induced phosphorus doping for singlecrystalline diamond in phosphoric acid liquid Reviewed International journal

J. Phys. Conf. Series   2018.6

Interface-state density estimation of n-type nanocrystalline FeSi2/p-type Si heterojunctions fabricated by pulsed laser deposition Reviewed International journal

@Adison Nopparuchikun, @Nathaporn Promros, @Phongsaphak Sittimart, @Peeradon Onsee, @Asanlaya Duangrawa, @Sakmongkon Teakchaicum, #Tomohiro Nogami, @Tsuyoshi Yoshitake

Adv. Nat. Sci.: Nanosci. Nanotechnol.   2018.6

Photoconduction of p-type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films in Metal-Semiconductor-Metal Geometry Reviewed International journal

#Takanori Hanada, @Shinya Ohmagari, #Abdelrahman Zkria, @Tsuyoshi Yoshitake

J. Phys. Conf. Series   2018.6

Junction parameters of boron-doped p-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite/n-type silicon heterojunctions formed by pulsed laser deposition Reviewed International journal

@Rawiwan Chaleawpong, @Nathaporn Promros, @Peerasil Charoenyuenyao, #Takanori Hanada, @Shinya Ohmagari, #Abdelrahman Zkria, @Tsuyoshi Yoshitake

Journal of Nanoelectronics and Nanotechnology   2018.6

Photovoltaic Properties and Series Resistance of p-Type Si/Intrinsic Si/n-Type Nanocrystalline FeSi2 Heterojunctions Created by Utilizing Facing-Targets Direct-Current Sputtering Invited Reviewed International journal

@Weerasaruth Kaenrai, @Nathaporn Promros, @Phongsaphak Sittimart, @Rawiwan Chaleawpong, @Peerasil Charoenyuenyao, @Thanachai Changcharoen, @Adison Nopparuchikun, #Tomohiro Nogami, @Tsuyoshi Yoshitake

Journal of Nanoelectronics and Nanotechnology   2018.6

Fabrication of lateral-type spin-valve comprising FeSi2 spin-transfer layers by electron beam lithography Reviewed International journal

#Hiroki Ishimoto, #Kazuki Kudo, @Tetsuo Tabei, @Kazushi Okada, @Shinji Yamada, @Tadashi Sato, @Ken-ichiro Sakai, @Tsuyoshi Yoshitake

J. Phys. Conf. Series   2018.6

Minority carrier lifetime in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films Invited Reviewed International journal

#Naofumi Nishikawa, #Satoshi Takeichi, @Takanori Hanada, @Shuya Tategami, @Atsuhiko Fukuyama, @Tsuyoshi Yoshitake

Trans. Mat. Res. Soc. Jpn   2018.2

反応性同軸型アークプラズマ堆積法によるAlNナノコンポジット硬質薄膜の作製 Reviewed

@吉田 智博, #内田 聖也, #村澤 功基, @工藤 昌輝, @鳥山 誉亮, @福井 康雄, @櫻井 正俊, @吉武 剛

表面技術協会速報論文   2017.12

Hard Coating of Ultrananocrystalline Diamond/Nonhydrogenated Amorphous Carbon Composite Films on Si Substrates by Coaxial Arc Plasma Deposition International journal

#Ali M.Ali, #Mohamed Egiza, #Koki Murasawa, @Yasuo Fukui, @Hidenobu Gonda, @Masatoshi Sakurai, @Tsuyoshi Yoshitake

2017.12

Magnetoresistance Effects in Spin-Valves Comprising N-Doped Carbon Interlayers (2017) . International journal

#Kazuki Kudo, #S. Takeichi, #K. Nakashima, @K. Sakai, @T. Yoshitake

2017.12

Structural Evaluations of Fe/Boron-Doped Carbon/Fe3Si Spin-Valve Junctions International journal

#Kazuki Kudo, #S. Takeichi, #K. Nakashima, @K. Sakai, @M. Nishijima, @T. Yoshitake

2017.12

Doping Effects of Boron on Mechanical Properties of Ultrananocrystalline Diamond/Amorphous Carbon Com-posite Films Deposited on Cemented Carbide Substrates by Coaxial Arc Plasma Deposition International journal

#Mohamed Egiza, #Kouki Murasawa, #Ali M. Ali, @Yasuo Fukui, @Hidenobu Gonda, @Masatoshi Sakurai, @Tsuyoshi Yoshitake

2017.12

Photodetection properties of heterojunction diodes comprising boron-doped ultrananocrystalline diamond films prepared by coaxial arc plasma deposition and n-type silicon substrates International journal

#Satoshi Takeichi, #Naofumi Nishikawa, @Shuya Tategami, @Atsuhiko Fukuyama, @Tsuyoshi Yoshitake

2017.12

Effects of hydrogenation on thermal transport in ultrananocrystalline diamond/amorphous carbon composite films International journal

#Satoshi Takeichi, @Takashi Nishiyama, @Mitsuru Tabara, @Shuichi Kawawaki, @Masamichi Kohno, @Koji Takahashi, @Tsuyoshi Yoshitake

2017.12

Minority Carrier Lifetimes in Nitrogen-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films International journal

#Naofumi Nishikawa, #Satoshi Takeichi, #Takanori Hanada, @Shuya Tategami, @Atsuhiko Fukuyama, @Tsuyoshi Yoshitake

Proceedings of the CSS on Energy and Environmental Science and Technology (2017)   2017.11

Hydrogenation effects on minority carrier lifetime in ultrananocrystalline diamond/amorphous carbon films prepared by coaxial arc plasma deposition International journal

#Naofumi Nishikawa, #Satoshi Takeichi, @Shuya Tategami, @Atsuhiko Fukuyama, @Tsuyoshi Yoshitake

Proceeding of International Exchange and Innovation Conference on Engineering and Sciences (IEICES 2017)   2017.11

Magnetoresistance effects in Fe/nanodiamond/Fe3Si trilayered junctions at room temperature . International journal

#Kazuki Kudo, #Satoshi Takeichi, #Kazutoshi Nakashima, @Ken-ichiro Sakai, @Tsuyoshi Yoshitake

Proceedings of the Cross Straits Symposium on Energy and Environmental Science and Technology (2017)   2017.11

Negative bias effects on the growth and mechanical properties of ultrananocrystaline diamond/amorphous carbon films deposited on cemented carbide substrates by coaxial arc plasma deposition International journal

#Ali M. Ali, #Mohamed Egiza, #Koki Murasawa, @Yasuo Fukui, @Hidenobu Gonda, @Masatoshi Sakurai, @Tsuyoshi Yoshitake

Proceedings of the CSS on Energy and Environmental Science and Technology (2017)   2017.11

Interface-state density estimation of n-type nanocrystalline FeSi₂/p-type Si heterojunctions fabricated by pulsed laser deposition Reviewed

Adison Nopparuchikun, Nathaporn Promros, Phongsaphak Sittimart, Peeradon Onsee, Asanlaya Duangrawa, Sakmongkon Teakchaicum, Tomohiro Nogami, Tsuyoshi Yoshitake

Advances in Natural Sciences: Nanoscience and Nanotechnology   8 ( 3 )   2017.9

Defect and field-enhancement characterization through electron-beam-induced current analysis Reviewed International journal

@Hitoshi Umezawa, #Hiroki Gima, @Khaled Driche, @Yukako Kato, @Tsuyoshi Yoshitake, @Yoshiaki Mokuno, @Etienne Gheeraert

Applied Physics Letters   110 ( 18 )   2017.5

Effects of nitrogen doping on optical and electrical properties of nanocrystalline FeSi2 films prepared by sputtering Reviewed International journal

#Tomohiro Nogami, #Hirokazu Kishimoto, #Ryuji Baba, @Nathaporn Promros, @Tsuyoshi Yoshitake

JJAP Conf. Proc.   2017.5

Temperature-dependent Magnetoresistance Effects in Fe3Si/FeSi2/Fe3Si Trilayered Spin Valve Junctions Invited Reviewed International journal

#Kazuya Ishibashi, #Kazuki Kudo, #Kazutoshi Nakashima, #Yuki Asai, @Ken-ichiro Sakai, @Hiroyuki Deguchi, @Tsuyoshi Yoshitake

JJAP Conf. Proc.   2017.5

Film Structures of Fe/B-doped Carbon/Fe3Si Spin Valve Junctions Reviewed International journal

#Kazuki Kudo, #Kazutoshi Nakashima, #Satoshi Takeichi, @Rezwan Ahmed, @Seigi Mizuno, @Ken-ichiro Sakai, @Masahiko Nishijima, @Tsuyoshi Yoshitake

JJAP Conf. Proc.   2017.5

Application of nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films for ultraviolet detection Reviewed

Abdelrahman Zkria, Hiroki Gima, Tsuyoshi Yoshitake

Applied Physics A: Solids and Surfaces   123 ( 3 )   2017.3

Thermal conductivity of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition Reviewed International journal

#S. Takeichi, @T. Nishiyama, @M. Tabara, @S. Kawawaki, @M. Kohno, @K. Takahashi, @T. Yoshitake

ECS Transactions   2017.2

N-type Conduction in Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition Using Li3PO4-Blended Graphite Targets Reviewed International journal

#Hiroki Gima, #Itsuro Suzuki, @Tsuyoshi Yoshitake

ECS Transactions   2017.2

Study on Defects in Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Prepared by Physical Vapor Deposition Invited Reviewed International journal

#Y. Katamune, @S. Al-Riyami, #S. Takeichi, @T. Yoshitake

ECS Transactions   2017.2

A Comparative Study of Energy Security in Okinawa Prefecture and the State of Hawaii Reviewed International journal

#Hiroki Gima, @Tsuyoshi Yoshitake

Evergreen   2016.12

Chemical Bonding Structural Analysis of Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition International journal

#Hiroki Gima, @Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2016   2016.12

Barrier Height of Au Contact on p-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films International journal

#Takanori Hanada, @Shinya Ohmagari, #Abdelrahman Zkria, @Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2016   2016.12

Thermal Conductivity Measurements of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by Time-Domain Thermoreflectance International journal

#Satoshi Takeichi, @Takashi Nishiyama, @Mitsuru Tabara, @Shuichi Kawawaki, @Masamichi Kohno, @Koji Takahashi, @Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2016   2016.12

Spin valves comprising nitrogen-doped carbon interlayers International journal

#Kazutoshi Nakashima, #Kazuki Kudo, #Satoshi Takeichi, @Ken-ichiro Sakai, @Tsuyoshi Yoshitake

Proceedings of the 18th Cross Straits Symposium on Energy and Environmental Science & Technology (2016)   2016.11

C-V-f and G-V-f Characteristics of n-Type β-FeSi2/p-Type Si Heterojunctions Fabricated by Using Radio Frequency Magnetron Sputtering International journal

2016.11

Thermal conduction evaluation of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films by time-domain thermoreflectance International journal

#Satoshi Takeichi, @Takashi Nishiyama, @Mitsuru Tabara, @Shuichi Kawawaki, @Masamichi Kohno, @Koji Takahashi, @Tsuyoshi Yoshitake

Proceedings of the 18th Cross Straits Symposium on Energy and Environmental Science & Technology (2016)   2016.11

Fabrication of spin valve junctions comprising Fe3Si/B-doped carbon/Fe trilayers International journal

#Rezwan Ahmed, #Kazuki Kudo, #Satoshi Takeichi, @Ken-ichiro Sakai, @Masahiko Nishijima, @Tsuyoshi Yoshitake, @Seigi Mizuno

Proceedings of the 18th Cross Straits Symposium on Energy and Environmental Science & Technology (2016)   2016.11

Evaluation of photovoltaic properties of nanocrystalline-FeSi₂/Si heterojunctions Reviewed International journal

@Mahmoud Shaban, @Amr M. Bayoumi, @Doaa Farouk, @Mohamed B. Saleh, @Tsuyoshi Yoshitake

Solid-State Electronics   123   111 - 118   2016.9

Hard coating of ultrananocrystalline diamond/nonhydrogenated amorphous carbon composite films on cemented tungsten carbide by coaxial arc plasma deposition Reviewed

Hiroshi Naragino, Mohamed Egiza, Aki Tominaga, Koki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Applied Physics A: Solids and Surfaces   122 ( 8 )   2016.8

Evaluation of photovoltaic properties of nanocrystalline-FeSi2/Si heterojunctions Reviewed International journal

Mahmoud Shaban, Amr M. Bayoumi, Doaa Farouk, Mohamed B. Saleh, Tsuyoshi Yoshitake

Solid-State Electronics, in press   2016.7

@Nathaporn Promros, #Ryuji Baba, #Hirokazu Kishimoto, @Phongsaphak Sittimart, #Takanori Hanada, @Kenji Hanada, #Abdelrahman Zkria, @Mahmoud Shaban, @Tsuyoshi Yoshitake Reviewed International journal

Characterization of n-Type Nanocrystalline Iron Disilicide/Intrinsic Ultrananocrystalline Diamond/Amorphous Carbon Composite/p-type Silicon Heterojuncrion at Low Temperatures

J. Nanoelectronics and Optoelectronics   2016.5

CVD diamond growth from nanodiamond seeds buried under a thin chromium layer Reviewed International journal

@G. Degutis, @P. Pobedinskas, @S. Turner, @Y. G. Lu, @S. Al Riyami, @B. Ruttens, @Tsuyoshi Yoshitake, @J. D'Haen, @K. Haenen, @J. Verbeeck, @A. Hardy, @M. K. Van Bael

Diamond and Related Materials   64   163 - 168   2016.4

同軸型アークプラズマ蒸着法により作製したホウ素添加超ナノ微結晶ダイヤモンド／アモルファス炭素混相膜の電気化学特性 Reviewed

原　武嗣, 大西雅也, 藤本大輔, 吉武 剛

産業応用工学会論文誌   2016.3

Si and Cr Doping Effects on Growth and Mechanical Properties of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Deposited on Cemented Carbide Substrates by Coaxial Arc Plasma Deposition Reviewed International journal

Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Evergreen   2016.3

Fabrication of ultrananocrystalline diamond/nonhydrogenated amorphous carbon composite films for hard coating by coaxial arc plasma deposition Reviewed International journal

Hiroshi Naragino, Mohamed Egiza, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Evergreen   2016.3

DOPING EFFECTS ON ULTRANANOCRYSTALLINE DIAMOND/AMORPHOUS CARBON COMPOSITE FILMS DEPOSITED ON CEMENTED CARBIDE SUBSTRATE BY COAXIAL ARC PLASMA DEPOSITION International journal

Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Proceedings of The 17th Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST17)   2015.12

Current transport mechanisms in n-type ultrananocrystalline diamond/p-type Si heterojunctions International journal

Ryuji Baba, Hirokazu Kishimoto, Tarek M. Mostafa, Nathaporn Promros, Tsuyoshi Yoshitake

Proceedings of The 17th Cross Straits Symposium on Energy and Environmental Science and Technology (CSS-EEST17)   2015.12

ULTRANANOCRYSTALLINE DIAMOND/AMORPHOUS CARBON COMPOSITE FILMS SYNTHESIS ON CEMENTED CARBIDE SUBSTRATE BY COAXIAL ARC PLASMA DEPOSITION International journal

Mohamed Egiza, Hiroshi Naragino, Aki Tominaga, Kouki Murasawa, Hidenobu Gonda, Masatoshi Sakurai, Tsuyoshi Yoshitake

Proceedings of Intellectual Exchange and Innovation Conference on Engineering & Sciences (IEICES)   2015.11

Heterojunction Diodes of Nitrogen-Doped Ultrananocrystalline Diamond Films Prepared by Coaxial Arc Plasma Deposition International journal

Abdelrahman Zkria, Tsuyoshi Yoshitake

Proceedings of Intellectual Exchange and Innovation Conference on Engineering & Sciences (IEICES)   2015.11

Mechanism of Carrier Transport at Low Temperatures in n-Type β-FeSi2/p-Type Si Heterojunctions Fabricated by Facing-Target Direct-Current Sputtering Reviewed International journal

2015.10

Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films/p-Silicon heterojunction International journal

Abdelrahman Zkria, Tsuyoshi Yoshitake

Conference Proceedings of 68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing   2015.10

Magnetic properties of Fe/FeSi2/Fe3Si trilayered films prepared by facing targets sputtering deposition International journal

Kazuya Ishibashi, Kazutoshi Nakashima, Ken-ichiro Sakai, Tsuyoshi Yoshitake

Conference Proceedings of 68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing   2015.10

Near-Edge X-ray Absorption Fine-Structure Study on Hydrogenated Boron-Doped Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition Reviewed International journal

Trans. Mat. Res. Soc. Jpn.   2015.8

Mechanism of Carrier Transport in n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions Reviewed International journal

2015.7

Structural Evaluation of beta-AlN Films Grown on Sapphire (0001) Substrates Reviewed International journal

Trans. Mat. Res. Soc. Jpn   2015.7

Temperature Dependent Current-Voltage Characteristics of n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions Reviewed International journal

2015.7

Fabrication of heterojunction diodes comprising nitrogen-doped ultrananocrystalline diamond/amorphous carbon and p-type silicon. Reviewed International journal

Abdelrahman Zkria, Hiroki Gima, Sausan Al-Riyami, Tsuyoshi Yoshitake

Mater. Res. Soc. Symp. Proc.   2015.6

Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Prepared by Laser Ablation of Graphite in Nitrogen and Hydrogen Atmosphere Reviewed International journal

Sausan Al-Riyami, Tsuyoshi Yoshitake

Adv. Mat. Res.   2015.5

Diode Parameters of Mesa Structural n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Lift-Off Photolithography Reviewed International journal

Nathaporn Promros, Suguru Funasaki, Motoki Takahara, Ryuhei Iwasaki, Mahmoud Shaban, Tsuyoshi Yoshitake

Adv. Mat. Res.   2015.3

Diode Parameters of Mesa Structural n-Type Nanocrystalline FeSi2/p-Type Si Heterojunctions Prepared by Lift-Off Photolithography Reviewed International journal

Nathaporn Promros, Suguru Funasaki, Motoki Takahara, Ryuhei Iwasaki, Mahmoud Shaban, Tsuyoshi Yoshitake

Adv. Mat. Res.   2015.3

Electric properties of carbon-doped n-type β-FeSi2/p-type Si heterojunction diodes Reviewed International journal

2015.2

Current-induced magnetization switching at low current densities in current-perpendicular-to-plane structural Fe3Si/FeSi2 artificial lattices with various cross-sectional areas Reviewed International journal

Ken-ichiro Sakai, Yuki Asai, Yuta Noda, Takeshi Daio, Aki Tominaga, Kaoru Takeda, Tsuyoshi Yoshitake

JJAP Conf. Proc.   2015.2

Current-induced magnetization switching at low current densities in current-perpendicular-to-plane structural Fe3Si/FeSi2 artificial lattices with various cross-sectional areas Reviewed International journal

Ken-ichiro Sakai, Yuki Asai, Yuta Noda, Takeshi Daio, Aki Tominaga, Kaoru Takeda, Tsuyoshi Yoshitake

JJAP Conf. Proc.   2015.2

Spin Valve behavior in Current-Perpendicular-to-Plane Crossover Structural Fe3Si/FeSi2/Fe3Si Trilayered junctions Reviewed International journal

Yuki Asai, Ken-ichiro Sakai, Kazuya Ishibashi, Kaoru Takeda, Tsuyoshi Yoshitake

JJAP Conf. Proc.   2015.2

Fabrication of Spin Valve Junctions Based on Fe3Si/FeSi2/Fe3Si Trilayered films Reviewed International journal

Yuki Asai, Ken-ichiro Sakai, Kazuya Ishibashi, Kaoru Takeda, Tsuyoshi Yoshitake

JJAP Conf. Proc.   2015.2

Epitaxial Growth of n-Type b-FeSi2 Thin Films on p-Type Si(111) Substrates by Radio-Frequency Magnetron Sputtering and Rectifying Action of Heterojunctions Reviewed International journal

Tarek M. Mostafa, Motoki Takahara, Ryuji Baba, Suguru Funasaki, Mahmoud Shaban, Nathaporn Promros, Aki Tominaga, Maiko Nishibori, Tsuyoshi Yoshitake

JJAP Conf. Proc.   2015.2

Characterization of Current Transport Mechanism in Heterojunctions Comprising n-Type β-FeSi2 Films and p-Type Si Substrates International journal

2014.12

Characterization of Current Transport Mechanism in Heterojunctions Comprising n-Type β-FeSi2 Films and p-Type Si Substrates International journal

2014.12

Heterojunction Diodes Comprising Nitrogen-doped Ultrananocrystalline Dia-mond Films Prepared by Coaxial Arc Plasma Deposition and p-Type Silicon Substrates International journal

Hiroki Gima, Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2014   2014.11

Electrical Properties of n-Type Nanocrystalline Iron Disilicide/Intrinsic Ultrananocrystalline Diamond/Amorphous Carbon Composite/p-Type Silicon Heterojunction Photodiodes International journal

Nathaporn Promros, Kenji Hanada, Motoki Takahara, Takanori Hanada, Li Chen, Tsuyoshi Yoshitake

Proceeding of The 40th Congress on Science and Technology of Thailand   2014.11

Characterization of Electrical Transport properties in n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunctions Prepared by Facing Targets Direct-Current Sputtering International journal

2014.11

Fabrication of Ultrananocrystalline Diamond Powder by Using A Coaxial Arc Plasma Gun International journal

Hiroshi Naragino, Aki Tominaga, Satoru Hattori, Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2014   2014.11

Photoconduction of B-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films in metal semiconductor metal geometry International journal

Takanori Hanada, Tsuyoshi Yoshitake

Proceedings of International Forum for Green Asia 2014   2014.11

Diode Parameters of Heterojunctions Comprising p-Type Si Substrate and n-Type β-FeSi2 Thin Films Reviewed International journal

2014.9

Diode Parameters of Heterojunctions Comprising p-Type Si Substrate and n-Type β-FeSi2 Thin Films Reviewed International journal

2014.9

Investigation of current transport mechanism in mesa structural n-type nanocrystalline-FeSi2/p-type Si heterojunctions International journal

Nathaporn Promros, Suguru Funasaki, Ryuhei Iwasaki, Motoki Takahara, Mahmoud Shaban, Tsuyoshi Yoshitake

Proc. of The Burapha University International Conference (2014)   2014.8

Fabrication of n-Type Nanocrystalline Iron Disilicide/Intrinsic Ultrananocrystalline Diamond/Amorphous Carbon Composite/p-Type Silicon Heterojunctions and Their Application to Photodiodes International journal

Nathaporn Promros, Li Chen, Kenji Hanada, Motoki Takahara, Tsuyoshi Yoshitake

Proc. on The 1st Engineering Physics Conference, (2014)   2014.8

Near-Infrared Photodetection of Carbon-Doped n-Type Nanocrystalline FeSi2/p-Type Si Heterojunction Photodiodes International journal

Nathaporn Promros, Suguru Funasaki, Ryuhei Iwasaki, Motoki Takahara, Mahmoud Shaban, Tsuyoshi Yoshitake

Proc. of The Burapha University International Conference (2014)   2014.8

Near-Infrared Photodetection of Carbon-Doped n-Type Nanocrystalline FeSi2/p-Type Si Heterojunction Photodiodes International journal

Nathaporn Promros, Suguru Funasaki, Ryuhei Iwasaki, Motoki Takahara, Mahmoud Shaban, Tsuyoshi Yoshitake

Proc. of The Burapha University International Conference (2014)   2014.8

Kazuki Tsuruta, Masaki Mito, Takuma Nagano, Yuki Katamune, and Tsuyoshi Yoshitake Effect of ultrasonic strain on p-type silicon wafers Reviewed International journal

Kazuki Tsuruta, Masaki Mito, Takuma Nagano, Yuki Katamune, Tsuyoshi Yoshitake

Jpn. J. Appl. Phys.   2014.7

The fabrication of new spin devices by Fe3Si/FeSi2/Fe3Si trilayer films International journal

Ken-ichiro Sakai, Yuki Asai, Yuta Noda, Kaoru Takeda, Tsuyoshi Yoshitake

Proc. of the 8th Int. Conf. on Reactive Plasmas and 31th Symp. on Plasma Proc.   2014.2

Temperature Dependent Current-Voltage Characteristics of n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunctions Fabricated by Pulsed Laser Deposition Reviewed International journal

Advanced Materials Research   2014.1

Magnetoresistance Effects in Current-Perpendicular-to-Plane Structures based on Fe3Si/FeSi2 artificial lattices Reviewed International journal

Ken-ichiro Sakai, Yuta Noda, Kaoru Takeda, Masayasu Takeda, Tsuyoshi Yoshitake

Phys. Status Solidi C   2013.12

Fabrication of mesa structural n-type nanocrystalline-FeSi2/p-type Si heterojunction photodiodes by liftoff technique combined with photolithography Reviewed International journal

Suguru Funasaki, Nathaporn Promros, Ryuhei Iwasaki, Motoki Takahara, Mahmoud Shaban, Tsuyoshi Yoshitake

Phys. Status Solidi C   2013.12

Optical and Electrical Properties of Boron-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition International journal

Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Sciences   2013.11

Nathaporn Promros, Chen Li, Suguru Funasaki, Ryūhei Iwasaki, Motoki Takahara, Tsuyoshi Yoshitake International journal

Nathaporn Promros, Chen Li, Suguru Funasaki, Ryūhei Iwasaki, Motoki Takahara, Tsuyoshi Yoshitake

2013.11

Electrical Characteristics of n-Type Nanocrystalline FeSi2/Intrinsic Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering . Reviewed International journal

Applied Mechanics and Materials   2013.11

Electrical Characteristics of n-Type Nanocrystalline FeSi2/Intrinsic Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering . Reviewed International journal

Applied Mechanics and Materials   2013.11

Metal-Semiconductor-Metal Photodetection of Boron-doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films International journal

Takanori Hanada, Shinya Ohmagari, Tsuyoshi Yoshitake

Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Sciences   2013.11

Fabrication of n-type ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by coaxial arc plasma deposition (II) International journal

Hiroki Gima, Tsuyoshi Yoshitake

Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Sciences   2013.11

Electrical Properties of Mesa Structural n-type Nanocrystalline-FeSi2/p-type Si Heterojunction Photodiodes International journal

Suguru Funasaki, Ryuhei Iwasaki, Nathaporn Promros, Mahmoud Shaban, Tsuyoshi Yoshitake

Proceedings of The 15th Cross Straits Symposium on Materials, Energy and Environment Sciences   2013.11

Current Transport Mechanism of n-Type Nanocrystalline FeSi2/Intrinsic Si/p-Type Si Heterojunctions Fabricated by Facing-Targets Direct-Current Sputtering Reviewed International journal

Advanced Materials Research   2013.9

Characterizations of Mesa Structural Near-Infrared n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunction Photodiodes at Low Temperatures Reviewed International journal

Advanced Materials Research   2013.8

ナノカーボンによる新規太陽電池の創製 Invited

吉武 剛

化学工業   2013.6

Formation of n-Type Ultrananocrystalline Diamond/Nonhydrogenated Amorphous Carbon Composite Films Prepared by Coaxial Arc Plasma Deposition with Boron-Incorporated Graphite Targets Reviewed International journal

Yuki Katamune, Shinya Ohmagari, Hiroyuki Setoyama, Kazuishi Sumitani, Yasuharu Hirai, Tsuyoshi Yoshitake

ECS Transactions   2013.4

Nitrogenated Ultrananocrystalline Diamond/Amorphous Carbon Composite Films Deposited on Titanium Substrates by Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Tsuyoshi Yoshitake

ECS Transactions   2013.4

Nitrogenation Effects on n-Type Electrical Conductivity of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition Reviewed International journal

Sausan Al-Riyami, Hiroyuki Setoyama, Kazuishi Sumitani, Yasuharu Hirai, Tsuyoshi Yoshitake

ECS Transactions   2013.4

Necessity of Epitaxial Growth of b-FeSi2 Thin Films in Formation of n-Type β-FeSi2/p-Type Si Heterojunction Photodiodes Reviewed International journal

2013.1

Near-Infrared Light Detection of n-Type β-FeSi2/Intrinsic Si/p-Type Si Heterojunction Photodiodes at Low Temperatures Reviewed International journal

2013.1

Fabrication of Current-Perpendicular-to-Plane Junctions Based on Fe3Si/FeSi2 Multilayered Films by Lift-Off Reviewed International journal

Yuta Noda, Ken-ichiro Sakai, Takayuki Sonada, Daiki Tsumagari, Kaoru Takeda, Tsuyoshi Yoshitake

ECS Transactions   2013.1

Preparation of Mesa Structural Near-Infrared n-Type Nanocrystalline-FeSi2/p-Type Si Heterojunction Photodiodes International journal

Nathaporn Promros, Ryuhei Iwasaki, Suguru Funasaki, Kyohei Yamashita, Tsuyoshi Yoshitake

Proc. of The 15th International Conference of International Academy of Physical Sciences   2012.12

Interface Properties of Nanocrystalline-FeSi2/Crystalline-Si Near-Infrared Heterojunction Photodiodes Reviewed International journal

Mahmoud Shaban, Tsuyoshi Yoshitake

IEEE J. Quantum Electrionics   2012.11

鉄シリサイド半導体の光電変換素子の現状と今後の課題

吉武 剛, 岩崎竜平, 船﨑優, ポンロス ナタポーン, 陣立, 山下恭平, 泉翔太

第20回シリサイド系半導体研究会講演予稿集   2012.9

Characterization of AgInS2 thin films prepared by vacuum evaporation Reviewed International journal

Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeuki Nakamura, Satoru Seto, Takahiro Tokuda, Kenji Yoshino

Physica B: Condensed Matter   2012.7

Effect of H2S Annealing on Ag-Rich Ag–In–S Thin Films Prepared by Vacuum Evaporation Reviewed International journal

2012.5

Electronic Band Structure Calculations on Thin Films of the L21 Full Heusler Alloys X2YSi (X, Y = Mn, Fe, and Co): toward Spintronic Materials Reviewed International journal

Hirotoshi Mori, Yosuke Odahara, Daisuke Shigyo, Tsuyoshi Yoshitake, Eisaku MIYOSHI

Thin Solid Films   2012.4

Preparation of Diamond Nanocrystallites in Powder by Using a Coaxial Arc Plasma Gun Reviewed International journal

Aki Tominaga, Kenji Hanada, Tomohiro Yoshida, and Tsuyoshi Yoshitake

Mater. Res. Symp. Proc.   2012.3

Influences of hydrogen passivation on NIR photodetection of n-type β-FeSi2/p-type Si heterojunction photodiodes fabricated by facing-targets direct-current sputtering Reviewed International journal

Kyohei Yamashita, Nathaporn Promros, Ryūhei Iwasaki, Shota Izumi and Tsuyoshi Yoshitake

2012.1

Roles of boron in growth of diamond grains in ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition Reviewed International journal

Mater. Res. Symp. Proc.   2012.1

新規太陽電池材料 ナノカーボンと鉄シリサイド半導体の研究開発の現状

吉武 剛

第3回半導体材料・デバイスフォーラム講演予稿集   2011.12

Photovoltaic Characteristics of Ultrananocrystalline Diamond/Hydrogenated Amorphous carbon Composite Films Evaluated under UV Light International journal

Technical Digest of the 21st International Photovoltaic Science and Engineering Conference   2011.12

Photovoltaic Properties of n-type Nanocrystalline FeSi2/i-Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering International journal

Technical Digest of the 21st International Photovoltaic Science and Engineering Conference   2011.12

Electrical Properties of n-Type Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Applicable to Photovoltaics International journal

Sausan Al-Riyami, Hikaru Ichinose, and Tsuyoshi Yoshitake

Technical Digest of the 21st International Photovoltaic Science and Engineering Conference   2011.12

Current transport mechanism in n-type β-FeSi2/p-type Si heterojunction photodiodes prepared by facing-targets direct-current sputtering International journal

Nathaporn Promros, Kyohei Yamashita, Ryūhei Iwasaki, Shota Izumi, Mahmoud Shaban, and Tsuyoshi Yoshitake

2011.11

Electrical properties of nanocrystalline-FeSi2 films prepared by pulsed laser deposition International journal

Mahmoud Shaban, Chen Li, Nathaporn Promros, and Tsuyoshi Yoshitake

Proc. of IQCMEA-ICF-Processing, Performance and Failure Analysis of Engineering Materials   2011.11

Structural and electrical properties of sputtered b-FeSi2 films deposited on Si(111) substrates for photovoltaic applications International journal

Mahmoud Shaban, Nathaporn Promros, Shota Izumi, and Tsuyoshi Yoshitake

Proc. of IQCMEA-ICF-Processing, Performance and Failure Analysis of Engineering Materials (2011)   2011.11

Ultrananocrystalline diamond/hydrogenated amorphous carbon composite films for photovoltaic applications International journal

Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences   2011.11

Mechanical properties of silicon-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films International journal

Hikaru Ichinose, Sausan Al-Riyami, and Tsuyoshi Yoshitake

Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences   2011.11

Current-induced magnetization switching in Fe3Si/FeSi2 multilayerd films International journal

Proceedings of The 13th Cross Straits Symposium on Materials, Energy and Environment Sciences   2011.11

Influences of hydrogen passivation on photodetection of n-type β-FeSi2/p-type Si heterojunction photodiodes fabricated by facing-targets direct-current sputtering International journal

Kyohei Yamashita, Nathaporn Promros, Ryūhei Iwasaki, Shota Izumi, and Tsuyoshi Yoshitake

2011.11

Erratum: “Nitrogen-Doped Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Pulsed Laser Deposition” [Applied Physics Express 3 (2010) 115102] Reviewed International journal

2011.10

Basic study on the application of ultrananocrystalline diamond/hydrogenated amorphous carbon to photodiodes International journal

Tsuyoshi Yoshitake, Shinya Ohmagari and Sausan AL-Riyami, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Eiichi Kobayashi, Toshihiro Okajima, and Yasuharu Hirai

NanotechJapan Bulletin   2011.7

Effect of H2S Annealing on Ag-Rich Ag–In–S Thin Films Prepared by Vacuum Evaporation Reviewed International journal

2011.5

Current-Induced Magnetization Switching in Fe3Si/FeSi2 Superlattices Reviewed International journal

Shin-ichi Hirakawaa, Ken-ichiro Sakaia, Takayuki Sonoda, Kaoru Takeda, and Tsuyoshi Yoshitake

Physics Procedia   2011.4

Fe3Si/FeSi2人工格子の高圧下における電気抵抗測定

中西剛司，髙崎理一，武田薫，堺研一郎，平川信一，園田貴之，吉武剛

福岡工業大学エレクトロニクス研究所所報   28   2011.4

Nitrogen Doped-Ultrananocrystalline diamond /hydrogena ted amorphous carbon composite films prepared by pulsed laser deposition International journal

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake

Proceedings of The 12th Cross Straits Symposium on Materials, Energy and Environment Sciences   2010.11

Fabrication of n-type β-FeSi2/p-type Si heterojunctions by pulsed laser deposition and their application to NIR photodiodes International journal

2010.11

Influences of Arc Discharge Repetition Rate on Growth of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by A Coaxial Arc Plasma Gun International journal

Tomohiro Yoshida, Kenji Hanada, You Nakagawa, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Eiichi Kobayashi, Yoshiaki Agawa, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Formation of n-Type β-FeSi2/Intrinsic-Si/p-Type Si Heterojunctions by Facing-Targets Direct-Current Sputtering and Their Photovoltaic Properties International journal

2010.10

Applications of n-Type Nanocrystalline FeSi2/i-Si/p-Type Si Heterojunctions Prepared by Facing-Targets Direct-Current Sputtering to Photovoltaics International journal

Nathaporn Promros, Kenji Kawai, Kyohei Yamashita, Mahmoud Shaban, and Tsuyoshi Yoshitake

Proceeding of The 3rd Regional Conference Interdisciplinary Research on Natural Resources and Materials Engineering   2010.10

Formation of n-Type β-FeSi2/p-Type Si Heterojunctions by Facing-Targets Direct-Current Sputtering International journal

2010.10

Influences of Repetition Rate of Laser Pulses on Growth of AlN Thin Films on Sapphire(0001) by Reactive Pulsed Laser Deposition International journal

Tomohiro Yoshida, Kazushi Sumitani, Ryota Ohtani, Satoshi Mohri, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Effects of Ambient Nitrogen on Growth of Cubic AlN Films on Sapphire(0001) Substrates by Pulsed Laser Deposition International journal

Kazushi Sumitani, Ryota Ohtani, Eisuke Magome, Tomohiro Yoshida, Satoshi Mohri, Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Characteristics of Near-Infrared n-Type Nanocrystalline FeSi2/i-Si/p-Type Si Heterojunctions prepared by Facing-Targets Direct Current Sputtering International journal

Nathaporn Promros, Kenji Kawai, Mahmoud Shaban, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Crystallographic Study of Cubic Phase AlN Thin Films Heteroepitaxially Grown on Sapphire(0001) Substrates by Pulsed Laser Deposition International journal

Kazushi Sumitani, Ryota Ohtani, Tomohiro Yoshida, Satoshi Mohri, Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Temperature-Dependent Interlayer Couplings in Fe3Si/FeSi2 multilayers prepared by facing targets direct-current sputtering International journal

Shin-ichi Hirakawa, Ken-ichiro Sakai, Kaoru Takeda, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Incorporation Effects of Nitrogen into Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films by Physical Vapor Deposition International journal

Sausan Al-Riyami, Shinya Ohmagari, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Influences of Boron-Doping on Growth of Ultrananocrystalline Diamond⋅Hydrogenated Amorphous Carbon Composite Films by Pulsed Laser Deposition International journal

2010.10

Preparation of n-Type β-FeSi2/p-Type Si Heterojunctions for Near-Infrared Photodetectors by Pulsed Laser Deposition International journal

2010.10

Fabrication of Fe3Si/FeSi2 Multilayers by Facing Targets Direct-Current Sputtering and The Magnetic Properties International journal

Shin-ichi Hirakawa, Ken-ichiro Sakai, Kaoru Takeda, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

n-type β-FeSi2 / p-type Si Heterojunction Photodiodes Fabricated by Facing Targets Direct-Current Sputtering International journal

2010.10

Formation of Ultrananocrystalline Diamond/Amorphous Carbon Composite Films in Vacuum by Using A Coaxial Arc Plasma Gun International journal

Kenji Hanada, Tomohiro Yoshida, You Nakagawa, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Eiichi Kobayashi, and Tsuyoshi Yoshitake

Proceedings of 63rd Annual Gaseous Electronics Conference and 7th International Conference on Reactive Plasmas   2010.10

Effect of annealing for Ag-In-S thin films prepared by a vacuum evaporation method Reviewed International journal

Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeyuki Nakamura, Satoru Seto, Takahiro Tokuda and Kenji Yoshino

Proc. of The 35th IEEE Photovoltaic Specialists Conference   2010.6

パルスアーク蒸着法による超微結晶ダイヤモンド（UNCD）の成膜と応用

阿川義昭，松浦正道，遠藤 聡，石井芳一，吉武 剛

月刊 トライボロジー   2010.4

鉄シリサイド系薄膜太陽電池の開発の現状

吉武 剛，泉 翔太，川井健司，ポンロス ナタポーン，野元恵太，近藤治彦，マハムド シャバーン

第15回シリサイド系半導体研究会講演予稿集   2010.3

Roles of hydrogen atmospheres in growth of ultrananocrystalline diamond by pulsed laser deposition Reviewed International journal

Kenji Hanada, Takashi Nishiyama, Tsuyoshi Yoshitake, Kunihito Nagayama

Mater. Sci. Forum   2010.1

Erratum: “Near-Edge X-ray Absorption Fine-Structure, X-ray Photoemission, and Fourier Transform Infrared Spectroscopies of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films”[Jpn. J. Appl. Phys. 48 (2009) 020222] Reviewed International journal

2010.1

Growth of Cubic AlN Films on Sapphire(0001) with Atomic Scale Surface Smoothness by Pulsed Laser Deposition Reviewed International journal

Tomohiro Yoshida, Tsuyoshi Yoshitake, Kazushi Sumitani, Ryota Ohtani, You Nakagawa, Satoshi Mohri, Kunihito Nagayama

Mater. Sci. Forum   2010.1

Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Films Prepared by a Coaxial Arc Plasma Gun Reviewed International journal

You Nakagawa, Tsuyoshi Yoshitake, Kenji Hanada, Akira Nagano, Ryota Ohtani, Kazushi Sumitani, Hiroyuki Setoyama, Eiichi Kobayashi, Masaaki Hirakawa, Koichi Yamaguchi, Naoki Tsukahara, Yoshiaki Agawa, Kunihito Nagayama

Mater. Sci. Forum   2010.1

Characterizations of near-infrared n-type nanocrystalline-FeSi2/p-type Si heterojunction photodiodes at low temperatures International journal

Kenji Kawai, Mahmoud Shaban, Haruhiko Kondo, and Tsuyoshi Yoshitake

Proceedings of The 11th Cross Straits Symposium on Materials, Energy and Environment Sciences   2009.11

Chemical bonding configuration and electrical property of boron-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films

Shinya Ohmagari, Tsuyoshi Yoshitake, Akira Nagano, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, and Kunihito Nagayama

Proceedings of The Third International Symposium on Novel Carbon Resource Sciences: Advanced Materials, Processes and Systems toward CO2 Mitigation   2009.11

X-RAY PHOTOEMISSION SPECTROSCOPY OF NITROGEN-DOPED UNCD/a-C:H FILMS PREPEARED BY PULSE LASER DEPOSITION

Sausan Al-Riyami, Tsuyoshi Yoshitake, Shinya Ohmagari, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, and Kunihito Nagayama

Proceedings of The Third International Symposium on Novel Carbon Resource Sciences: Advanced Materials, Processes and Systems toward CO2 Mitigation   2009.11

Current-induced magnetization switching in Fe3Si/FeSi2/Fe3Si trilayer films International journal

K. Sakai, S. Hirakawa, K. Takeda, and T. Yoshitake

Proceedings of The 11th Cross Straits Symposium on Materials, Energy and Environment Sciences   2009.11

"Photovoltaic Properties of n-Type Nanocrystalline-FeSi2/Intrinsic-Si/p-Type Si Heterojunctions Fabricated by Facing-Targets DC Sputtering" Reviewed International journal

Keita Nomoto, Mahmoud Shaban, Haruhiko Kondo, and Tsuyoshi Yoshitake

IEEE Proceedings of 2008 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD '08)   2009.4

" Effect of annealing for CuInS2 thin films prepared from Cu-rich ternary compound" Reviewed International journal

Yoji Akaki, Shigeuki Nakamura, Keita Nomoto, Tsuyoshi Yoshitake, and Kenji Yoshino

Phy. Status Solidi C   2009.4

”レーザーアブレーション法による超ナノ微結晶ダイヤモンド膜の創製とその成長プロセス”

大曲新矢，花田賢志，西山貴史，吉武剛，永野彰，板倉賢，桑野範之，大谷亮太，瀬戸山寛之，小林英一，永山邦仁

電気学会 光・量子デバイス研究会 研究会資料   2009.3

"Interfacial structure of Fe3Si/FeSi2 layered films deposited on Si (111) at elevated substrate-temperatures" International journal

Kaoru TAKEDA, Tsuyoshi YOSHITAKE, Yoshiki SAKAMOTO, Daisuke HARA, Masaru ITAKURA, Noriyuki KUWANO, and Kunihito NAGAYAMA

Int. J. Mod. Phys.   2009.2

"EFFECTS OF INTRINSIC Si EMISSION LAYERS INSERTED IN N-TYPE -FeSi2/P-TYPE Si HETEROJUNCTIONS ON RECTIFICATION AND PHOTOVOLTAIC PROPERTIES" International journal

K. Nomoto, M. Shaban, and T. Yoshitake

Proceedings of the 10th Cross Straits Symposium on Materials, Energy and Environment Sciences   2008.11

"Near-edge X-ray absorption fine structure of Ultrananocrystalline diamond/hydrogenated amorphous carbon composite films" International journal

Shinya Ohmagari, Akira Nagano, Tsuyoshi Yoshitake, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, and Kunihito Nagayama

Proceeding of the 10th Cross Straits Symposium on Materials, Energy and Environment Sciences   2008.11

"ULTRANANOCRYSTALLINE DIAMOND/HYDROGENATED AMORPHOUS CARBON COMPOSITE FILMS PREPARED BY A COAXIAL ARC PLASMA GUN" International journal

You Nakagawa, Kenji Hanada, Akira Nagano, and Tsuyoshi Yoshitake, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, Kazushi Sumitani, and Toshihiro Okajima, Masaaki Hirakawa, Koichi Yamaguchi, and Naoki Tsukahara, Yoshiaki Agawa, and Kunihito Nagayama

Proceeding of the 10th Cross Straits Symposium on Materials, Energy and Environment Sciences   2008.11

"NANOCRYSTALLINE-FeSi2/INTRINSIC AMORPHOUS-Si/Si HETEROJUNCTIONS FOR PHOTOVOLTAIC APPLICATION" International journal

M. Shaban, K. Kawai, H. Kondo, T. Yoshitake

Proceeding of the 10th Cross Straits Symposium on Materials, Energy and Environment Sciences   2008.11

"CONSIDERATION OF DEPOSITION PROCESS OF ULTRANANOCRYSTALLINE DIAMOND THIN FILMS BY PULSED LASER DEPOSITION" International journal

K. Hanada, T. Nishiyama, T. Yoshitake, and K. Nagayama

Proceeding of the 10th Cross Straits Symposium on Materials, Energy and Environment Sciences   2008.11

Preparation of KTiOPO4 thin films on different substrates by pulsed laser deposition Reviewed International journal

Nilesh. J. Vasa, Yasunari Hata, Tsuyoshi Yoshitake, Shigeru Yokoyama

Int. J. Adv. Manuf. Technol   2008.9

"Structural and electrical characterization of AgInSe2 crystals grown by hot-press method" Reviewed International journal

Kenji Yoshino, Aya Kinoshita, Yasuhiro Shirahata, Minoru Oshita, Keita Nomoto, Tsuyoshi Yoshitake, and Tetsuo Ikari

J. Phys: Conf. Series   2008.4

"Effect of H2S annealing for CuInS2 thin films prepared by a vacuum evaporation method" Reviewed International journal

Y. Akaki, K. Nomoto, S. Nakamura, T. Yoshitake, and K. Yoshino

J. Phys: Conf. Series   2008.4

"Dependence of Cu/In ratio of structural and electrical characterization of CuInS2 crystal" Reviewed International journal

K. Yoshino, K. Nomoto, A. Kinoshita, T. Ikari, Y. Akaki, and T. Yoshitake

J. Mater. Sci.: Mater. Electron.   2008.2

"N-TYPE β-FeSi2/P-TYPE Si HETEROJUNCTION SOLAR CELL FABRICATED BY FACING-TARGET DC SPUTTERING" International journal

2007.12

”エピタキシャル成長した強磁性Fe3Si/FeSi2超格子の構造と層間結合”

武田薫，梶原寿了，吉武剛

福岡工業大学エレクトロニクス研究所所報   2007.12

"CHARACTERIZATION OF EVAPORATED CUINS2 FILMS ANNEALED IN HYDROGEN SULFIDE ATMOSPHERE" International journal

Y. Akaki, K. Nomoto, S. Nakamura, T. Yoshitake, K. Yoshino

Technical Digest of the 17th International Photovoltaic Science and Engineering Conference (PVSEC-17)   2007.12

"SYNTHESIS OF NANOCRYSTALLINE FeSi2 /Si HETEROJUNCTIONS FOR PHOTOVOLTAIC APPLICATIONS BY FACING-TARGET DC SPUTTERING" International journal

Haruhiko KONDO, Mahmoud SHABAN, Kazuhiro NAKASHIMA, Tsuyoshi YOSHITAKE

Technical Digest of the 17th International Photovoltaic Science and Engineering Conference (PVSEC-17)   2007.12

"THERMAL POST-ANNEALING EFFECT ON PHOTOVOLTAIC PROPERTIES OF n-TYPE β-FeSi2/p-TYPE Si HETEROJUNCTION" International journal

2007.12

"Epitaxy in Fe3Si/FeSi2 superlattices" Invited

Tsuyoshi YOSHITAKE, Kaoru TAKEDA, Dai NAKAGAUCHI, Tetsuya OGAWA, Daisuke HARA, Masaru ITAKURA, Noriyuki KUWANO, Yoshitsugu TOMOKIYO, Toshiyuki KAJIWARA, and Kunihito NAGAYAMA

2007.7

Erratum:"Interlayer coupling in ferromagnetic epitaxial Fe3Si/FeSi2 superlattices” [Appl. Phys. Lett. 89, 253110 2006] Reviewed International journal

2007.2

"OPTICAL AND ELECTRIC PROPERTIES OF SEMICONDUCTING beta-FESI2 THIN FILMS EPITAXIALLY GROWN BY PULSED LASER DEPOSITION" International journal

H. KONDO, T. YOSHITAKE, W. YOKOYAMA, M. SHABAN, K. NAKASHIMA, M. ITAKURA and N. KUWANO, and K. NAGAYAMA

Proc. of The 8th Cross Straits Symposium on Materials, Energy and Environment Sciences   2006.11

"OPTICAL AND ELECTRIC PROPERTIES OF ULTRANANOCRYSTALLINE DIAMOND THIN FILMS PREPARED BY PULSED LASER DEPOSITION" International journal

Akira NAGANO, Tsuyoshi YOSHITAKE, Masaru ITAKURA, and Noriyuki KUWANO, Takeshi HARA, and Kunihito NAGAYAMA

Proc. of The 8th Cross Straits Symposium on Materials, Energy and Environment Sciences   2006.11

"FABRICATION OF N-TYPE β-FeSi2 / P-TYPE Si HETEROJUNCTION SOLAR CELL" International journal

2006.11

強磁性Fe3Si半導体FeSi2人工格子の構造と磁気特性

梶原寿了，武田薫，吉武剛

福岡工業大学エレクトロニクス研究所所報   2006.8

"Ultrananocrystalline diamond prepared by pulsed laser deposition" Reviewed International journal

Takeshi Hara, Tsuyoshi Yoshitake, Tomohito Fukugawa, Hironori Kubo, Masaru Itakura, Noriyuki Kuwano, Yoshitsugu Tomokiyo and Kunihito Nagayama

Diamond and Rel. Mater.   2006.6

”強磁性Fe3Si／半導体FeSi2ヘテロ接合膜の構造と電気磁気特性”

武田 薫，吉武 剛，小川哲也，原 大輔，板倉 賢，桑野範之，友清芳二，梶原寿了，永山邦仁

電子情報通信学会信学技報   2006.4

”β-FeSi2/Siヘテロ接合と整流特性”

吉武 剛，シャバーン・アブデルラディー・アームド・モハメド，中嶋和浩，横山亘，永山邦仁

電子情報通信学会信学技報   2006.4

"Growth of ultrananocrystalline diamond by pulsed laser deposition" Reviewed International journal

Tsuyoshi Yoshitake, Takeshi, Hara, Tomohito Fukugawa, Hironori Kubo, Masaru Itakura, Noriyuki Kuwano, Yoshitsugu Tomokiyo and Kunihito Nagayama

Research Signpost:Recent Developments in Lasers and their Applications   2006.3

”室温で成長するナノ微結晶FeSi2半導体とFe3Si強磁性体”

吉武剛

機能材料：シリサイド半導体の最新動向   2005.10

Formation of β-FeSi2-xGex by Ge-Segregation-Controlled Solid-Phase Growth of [a-Si/a-FeSiGe]n Multilayered Structure Reviewed International journal

43 ( 4B )   1879 - 1881   2004.1

Nanocrystalline diamond film prepared by pulsed laser deposition in a hydrogen atmosphere Reviewed International journal

Takeshi Hara, Tsuyoshi Yoshitake, Tomohito Fukugawa, Ling yun Zhu, Masaru Itakura, Noriyuki Kuwano, Yoshitsugu Tomokiyo and Kunihito Nagayama

Diamond Rel. Mater.   13 ( 4-8 )   679 - 683   2004.1

Consideration of diamond film growth on various orientation substrates of diamond in an oxygen and a hydrogen atmospheres by reactive pulsed laser deposition Reviewed International journal

Takeshi Hara, Tsuyoshi Yoshitake, Tomohito Fukugawa, Ling yun Zhu, Masaru Itakura, Noriyuki Kuwano, Yoshitsugu Tomokiyo and Kunihito Nagayama

Diamond Rel. Mater.   13 ( 4-8 )   622 - 626   2004.1

The velocity distribution of droplets ejected from Fe and Si targets by pulsed laser ablation in a vacuum and their elimination using a vane-type velocity filter Reviewed International journal

T. Yoshitake and K. Nagayama

Vacuum   74 ( 3-4 )   515 - 520   2004.1

Fabrication of ferromagnetic Fe3Si thin films by pulsed laser deposition using an Fe3Si target Reviewed International journal

D. Nakagauchi, T. Yoshitake and K. Nagayama

Vacuum   74 ( 3-4 )   653 - 657   2004.1

Fabrication of ferromagnetic Fe3Si / semiconducting nanocrystalline FeSi2 multi-layered film by a facing targets DC sputtering method International journal

Dai Nakagauchi, Tsuyoshi Yoshitake and Kunihito Nagayama

Proceedings of The 5th Cross Straits Symposium on Materials, Energy and Environment Sciences   2003.11

Epitaxial as-growth of beta-FeSi2 thin film on Si(111) by pulsed laser deposition International journal

Wataru Yokoyama, Tsuyoshi Yoshitake and Kunihito Nagayama

Proceedings of The 5th Cross Straits Symposium on Materials, Energy and Environment Sciences   2003.11

Optical and electrical properties of b-FeSi2 thin films grown on Si by a facing target DC sputtering method International journal

Yosuke INOKUCHI, Tsuyoshi YOSHITAKE, Taizo SADOH, Masanobu MIYAO, and Kunihito NAGAYAMA

Proceedings of The 5th Cross Straits Symposium on Materials, Energy and Environment Sciences   2003.11

Consideration of diamond growth on various orientation substrates in ambient oxygen and hydrogen by pulsed laser deposition International journal

Tomohito FUKUGAWA, Takeshi HARA, Tsuyoshi YOSHITAKE, Ling yun Zhu, Masaru ITAKURA,

Proceedings of The 5th Cross Straits Symposium on Materials, Energy and Environment Sciences   2003.11

Epitaxial growth of LiCoO2 thin films on sapphire substrates International journal

Ichiro TANAKA, Tsuyoshi YOSHITAKE, Shigeto OKADA, Jun-ichi YAMAKI and Kunihito NAGAYAMA

Proceedings of The 5th Cross Straits Symposium on Materials, Energy and Environment Sciences   2003.10

レーザーアブレーション法におけるダイヤモンド薄膜成長機構に関する考察 Reviewed

原 武嗣、吉武 剛、西山貴史、永山邦仁

電気学会論文誌A   2003.9

Enhanced solid-phase growth of β-FeSi2 bypre-amorphization Reviewed International journal

206   304 - 307   2003.9

Ferromagnetic Ironsilicide Thin Films Prepared by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Dai Nakagauchi, and Kunihito Nagayama

Jpn. J. Appl. Phys.   42 ( 7B )   L849 - L851   2003.7

Fabrication of ferromagnetic Fe3Si thin films by pulsed laser deposition using an Fe3Si target International journal

D. Nakagauchi, T. Yoshitake and K. Nagayama

Proceedings of The Seventh International Symposium on Sputtering and Plasma Processes (ISSP2003)   74 ( 3-4 )   653 - 657   2003.6

The vane velocity filter for eliminating droplets ejected by pulsed laser deposition International journal

T. Yoshitake and K. Nagayama

Proceedings of The Seventh International Symposium on Sputtering and Plasma Processes (ISSP2003)   2003.6

Growth of diamond thin films on various orientation substrates in an oxygen atmosphere by pulsed laser ablation of graphite International journal

T. Hara, T. Yoshitake and K. Nagayama

Proceedings of The Seventh International Symposium on Sputtering and Plasma Processes (ISSP2003)   2003.6

Semiconducting amorphous iron silicide thin films by pulsed laser deposition using a FeSi2 target International journal

T. Yoshitake, M. Yatabe and K. Nagayama

Proceedings of The Seventh International Symposium on Sputtering and Plasma Processes (ISSP2003)   2003.6

Ion-beam irradiation effect on solid-phase growth of beta-FeSi2 Reviewed International journal

Y. Murakami, H. Kido, A. Kenjo, T. Sadoh, T. Yoshitake, M. Miyao

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   16 ( 3-4 )   505 - 508   2003.3

The influence of the repetition rate of laser pulses on the growth of diamond thin films by pulsed laser ablation of graphite Reviewed International journal

Tsuyoshi Yoshitake, Takeshi Hara, and Kunihito Nagayama

Diamond Rel. Mater.   12 ( 3-7 )   306 - 309   2003.3

The influence of the repetition rate of laser pulses on the growth of diamond thin films by pulsed laser ablation of graphite International journal

Takeshi Hara, Tsuyoshi Yoshitake, and Kunihito Nagayama

Proceeding of 4th Cross Straits Symposium on Materials, Energy and Environment Sciences   2002.11

アモルファス鉄シリサイド半導体の水素化

吉武 剛、由利彰崇、永山邦仁、前田佳均、佐道泰造、宮尾正信

2002.9

Fabrication of Bi-doped YIG optical thin film for electric current sensor by pulsed laser deposition Reviewed International journal

Hiromitsu Hayashi, Souhachi Iwasa, Nilesh J. Vasa, Tsuyoshi Yoshitake, Kiyotaka Ueda, Shigeru Yokoyama, Sadao Higuchi, Hirohito Takeshita and Michitaka Nakahara

Appl. Surf. Sci.   197   463 - 466   2002.9

Consideration of Growth Process of Diamond Thin Films in Ambient Oxygen by Pulsed Laser Ablation of Graphite Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama, Takeshi Hara, and Kunihito Nagayama

Appl. Surf. Sci.   197   352 - 356   2002.9

Elimination of droplets using a vane velocity filter in pulsed laser ablation of FeSi2 Reviewed International journal

Tsuyoshi Yoshitake, Gosuke Shiraishi, and Kunihito Nagayama

Appl. Surf. Sci.   197   379 - 383   2002.9

イオン線照射によるβ-FeSi2固相成長の促進

村上裕二、権丈 淳、佐道泰造、吉武 剛、宮尾正信

2002.9

Ge添加による"β-FeSi2固相成長層の歪み制御

佐道泰造、尾渡正和、村上裕二、権丈 淳、由利彰崇、吉武 剛、宮尾正信

2002.9

レーザーアブレーション法によるFe3Si強磁性薄膜の作製

中垣内 大、吉武 剛、永山邦仁

2002.9

PLD 法によるアモルファスFeSix 膜の作製とその評価

矢田部 学、吉武 剛、永山邦仁

2002.9

対向ターゲット式DC スパッタリング法によるアモルファスライクFeSi2 薄膜の作製とその基本特性

由利彰崇、吉武 剛、永山邦仁、佐道泰造、宮尾正信

2002.9

The Roles of ambient oxygen and substrate temperature on growth of diamond thin films by pulsed laser deposition Reviewed International journal

Tsuyoshi Yoshitake, Takeshi Hara, Takashi Nishiyama, and Kunihito Nagayama

Int. J. Mod. Phys.B   16 ( 6-7 )   825 - 829   2002.3

レーザーアブレーション法によるFeSi2合金ターゲットを用いたbeta-FeSi2薄膜の作製とその構造評価 Reviewed

吉武 剛、永元達也、白石豪介、永山邦仁

レーザー研究   2002.2

Characteristics of Bi:YIG Magneto-Optic Thin Films Fabricated by Pulsed Laser Deposition Method for an Optical Current Transformer Reviewed International journal

Hiromitsu Hayashi, Souhachi Iwasa, Nilesh J. Vasa, Tsuyoshi Yoshitake, Kiyotaka Ueda, Shigeru Yokoyama and Sadao Higuchi

Jpn. J. Appl. Phys.   41 ( 1 )   410 - 411   2002.1

Preparation of calcium silicide thin films on Si(100) and SiO2 substrates by pulsed laser ablation of a Ca2Si alloy target Reviewed International journal

Tsuyoshi Yoshitake, Yusuke Mukae and Kunihito Nagayama

Trans. Mater. Res. Soci. Jpn   2001.4

ArFレーザーを用いたPLD法によるダイヤモンド薄膜のホモ成長

吉武 剛、西山貴史、原 武嗣、永山邦仁

電気学会 光・量子デバイス研究会資料   2001.2

Influence of substrate orientation on solid phase regrowth of FeSi2 on Si International journal

T. Sadoh, Y. Yoshikado, T. Hanada, A. Kenjo, T. Yoshitake, and M. Miyao

Proceeding of Japan-UK Joint Workshop on Kankyo-Semiconductors   2000.12

Diamond-Like Carbon Thin Films Prepared by Pulsed Laser Ablation of a PMMA and a Polyethylene Targets Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama and Kunihito Nagayama

Trans. Mater. Res. Soci. Jpn   2000.12

The Role of Hydrogen and Oxygen Gas in the Growth of Carbon Thin Films by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama, and Kunihito Nagayama

Diamond Rel. Mater.   9 ( 3-6 )   689 - 692   2000.12

Growth of beta-FeSi2 thin films on Si (111) substrates by pulsed laser deposition International journal

Tsuyoshi Yoshitake, Gousuke Shiraishi, and Kunihito Nagayama

Proceeding of Japan-UK Joint Workshop on Kankyo-Semiconductors   2000.10

Low Temperature Growth of beta-FeSi2 Films on Si(111) by RF Magnetron Sputtering Using a FeSi2 Alloy Target Reviewed International journal

Tsuyoshi Yoshitake, Toshifumi Hanada and Kunihito Nagayama

J. Mater. Sci. Lett.   19 ( 7 )   537 - 538   2000.7

Growth of DLC Thin Films in Hydrogen Atmosphere by Pulsed Laser Ablation of a PMMA Target Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama and Kunihito Nagayama

J. Mater. Sci. Lett.   19 ( 6 )   489 - 490   2000.6

Ion probe measurement of Fe species ejected by KrF laser ablation of Fe in ambient nitrogen gas Reviewed International journal

Tsuyoshi Yoshitake

J. Mater. Sci   35 ( 6 )   1469 - 1474   2000.6

ArFエキシマレーザーを用いたレーザーアブレーション法によりダイヤモンド薄膜のホモ成長

吉武 剛、西山貴史、原 武嗣、永山邦仁

九州大学総合理工学研究科報告   2000.4

Low Temperature Growth of b-FeSi2 Thin Films on Si(100) by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Tatsuya Nagamoto and Kunihito Nagayama

Mater. Sci. Eng. B   72 ( 2-3 )   124 - 127   2000.3

最近の環境半導体の動向 Reviewed

三宅 潔、牧田雄之介、吉武 剛

レーザー研究   2000.2

Microstructure of beta-FeSi2 Thin Films by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Tatsuya Nagamoto and Kunihito Nagayama

Thin Solid Films   381 ( 2 )   236 - 243   2000.1

レーザーアブレーション法による環境考慮型半導体bate-FeSi2薄膜の作成とその微細構造”

吉武剛、永元達也、白石豪介、永山邦仁

九州大学総合理工学研究科報告   1999.12

LOW TEMPERATURE GROWTH OF BETA-FESI2 THIN FILMS ON SI (111) BY RF MAGNETRON SPUTTRING USING AN IRON SILICIDE ALLOY TARGET International journal

Toshifumi Hanada, Tsuyoshi Yoshitake, and Kunihito Nagayama

Proceeding of Cross Straits Symposium on Materials, Energy and Environment Sciences   1999.11

Low Temperature Synthesis of beta-FeSi2 Thin Films by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Tatsuya Nagamoto and Kunihito Nagayama

J. Mater. Sci. Lett.   18 ( 21 )   1755 - 1756   1999.11

GROWTH OF DIAMOND-LIKE CARBON FILMS IN HYDROGEN AND OXYGEN ATMOSPHERE BY PULSED LASER DEPOSITION USING A GRAPHITE TARGET International journal

Takashi Nishiyama, Tsuyoshi Yoshitake, and Kunihito Nagayama

Proceeding of Cross Straits Symposium on Materials, Energy and Environment Sciences   1999.11

STRUCTURAL CHARACTERIZATION OF BETA-FESI2 THIN FILMS International journal

Gousuke Shiraishi, Tsuyoshi Yoshitake, and Kunihito Nagayama

Proceeding of Cross Straits Symposium on Materials, Energy and Environment Sciences   1999.11

Emitting Mechanisms of Non-Equilibrium Carbon Particles Emitted by Pulsed Laser Ablation Reviewed International journal

Koji SUIZU, Hajime AOKI, Tsuyoshi YOSHITAKE and Kunihito NAGAYAMA

Proc. 23rd Int. Cong. on High-Speed Photography and Photonics, SPIE   1999.9

レーザーアブレーション法によるカーボン薄膜の作成とその評価 Reviewed

吉武剛、西山貴史、青木肇、水津光司、高橋厚史、永山邦仁

電気学会論文誌   1999.8

Carbon Thin Films Prepared by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama, Hajime Aoki, Koji Suizu, Koji Takahashi, and Kunihito Nagayama

Trans. Mater. Res. Soci. Jpn   1999.4

Fabrication of beta-FeSi2 Thin Films by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Tatsuya Nagamoto and Kunihito Nagayama

Trans. Mater. Res. Soci. Jpn   1999.4

レーザーアブレーション法を用いた環境半導体beta-FeSi2薄膜の低温成長

永元達也、吉武剛、永山邦仁

九州大学工学集報   1999.3

Atomic Force Microscope Study of Carbon Thin Films Prepared by Pulsed Laser Deposition Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama, Hajime Aoki, Koji Suizu, Koji Takahashi, and Kunihito Nagayama

Appl. Surf. Sci.   141 ( 1-2 )   129 - 137   1999.3

The Effect of the substrate temperature and the laser wavelength on the formation of carbon thin films by pulsed laser deposition Reviewed International journal

Tsuyoshi Yoshitake, Takashi Nishiyama, Hajime Aoki, Koji Suizu, Koji Takahashi, and Kunihito Nagayama

Diamond. Relat. Mater.   1999.3

レーザーアブレーション法によるカーボン薄膜の作成とその評価

西山貴史、吉武 剛、青木肇、水津光司、高橋厚史、永山邦仁

九州大学総合理工学研究科報告   1999.3

レーザーアブレーションによる放出カーボン粒子の発光スペクトル分析

吉武剛、水津光司、青木肇、高橋厚史、永山邦仁

九大工学集報   1997.10

Application of laser-induced doping in liquids containing dopants to diamond International conference

@Tsuyoshi Yoshitake, #Eslam Abubakr, #Hiroshi Ikenoue

OIST Diamond Workshop  2017.10 

Widely-variable electrical conductivity of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by PVD International conference

Tsuyoshi Yoshitake

3rd French-Japanese Workshop on Diamond Power Devices  2015.7 

Preparation of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films Prepared by Physical Vapor Deposition and Their Application to Photodiodes and Hard Coating International conference

Tsuyoshi Yoshitake

Hasselt Diamond Workshop 2015 SBDD XX  2015.2 

Application of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Composite Films to Photodiodes International conference

Tsuyoshi Yoshitake, Yuki Katamune, Takanori Hanada, Satoshi takeichi, Shinya Ohmagari

Pacific Rim Symposium on Surfaces, Coatings and Interfaces (PacSurf 2014)  2014.12 

Growth of UNCD/a-C:H composite films by PVD and their electrical conductivity control International conference

Tsuyoshi Yoshitake, Yuki Katamune, Takanori Hanada, Hiroki Gima, Abdelrahman M. Ahmed, Shinya Ohmagari, Sausan Al-Riyami, Kenji Hanada

Japan-France Workshop on Diamond Power Devices  2014.10 

Present state of research on photodiodes comprising iron disilicides and problems awaiting solution Invited International conference

Tsuyoshi Yoshitake

International conference and summer school on advanced silicide technology 2014  2014.7 

Ecologically Friendly Semiconductors: Iron Disilicides and Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Invited International conference

Tsuyoshi Yoshitake

IUMRS-International Conference on Electronic Materials (IUMRS-ICEM 2012)  2012.9 

⼆酸化炭素の電気化学還元に向けた窒素ドープ超ナノ微結晶ダイヤモンド電極の作製

#長野里基

第14回 半導体材料・デバイスフォーラム  2023.12 

Comparative study of photoelectrical properties of p-Si/n-TZO and p-Si/n-TTZO heterojunction UV photodetectors International conference

@C.Y. Tsay, @K.H. Liao, @P. Sittimart, @S. MyloValappil, @T. Yoshitake

The 8th Asian Applied Physics Conference  2023.11 

単結晶ダイヤモンドを応用した横型スピンバルブ素子における導電性ナノカーボンオーミック電極の成膜とスピン注入の評価

#綿谷 敦志, #牧 謙汰, @Sreenath Mylo Valappil, @堺 研一郎, @大曲 新矢, @吉武 剛

応用物理学会九州支部学術講演会 〜支部設立70周年記念大会〜/The 8th Asian Applied Physics Conference  2023.11 

Polystyrene Modified Membranes Using Polyaniline-ZnO Composite Nanoparticles and its Application in Dye Removal Invited International conference

@Atusaye G. Sichali, @Hussien Noby, @Hiroshi Naragino, @Tsuyoshi Yoshitake, @Ahmed H. El-Shazly*

The 8th Asian Applied Physics Conference  2023.11 

Enhanced Biocompatibility of Optimal Biased Quenched-Produced Diamond Films on Ti via Coaxial Arc Plasma Deposition International conference

@Lama Osman, @Hiroshi Naragino, @Abdelrahman Zkria, @Ikiru Atsuta, @Yasunori Ayukawa, @Tsuyoshi Yoshitake

The 8th Asian Applied Physics Conference  2023.11 

Property of CO2 Reduction Reaction Using Nitrogen-doped Ultrananocrystalline Diamond Electrodes International conference

#Satoki Nagano, @Lama Osman, @Hiroshi Naragino, @Tsuyoshi Yoshitake, @Abdelrahman Zkria

The 8th Asian Applied Physics Conference  2023.11 

Super-Hard Eco-Friendly Nanodiamond Composite (NDC) Coatings for Sustainable Machining International conference

#Mohamed Ragab Diab, @Mohamed Egiza, @Koki Murasawa, @Hiroshi Naragino, @Tsuyoshi Yoshitake

The 8th Asian Applied Physics Conference  2023.11 

尖端放電型プラズマ CVD 法を用いたダイヤモンド成長における CO2 添加の影響評価

#桂 健斗, #笹栗 優, @大曲 新矢, @吉武 剛, @蔭浦 泰資

応用物理学会九州支部学術講演会 〜支部設立70周年記念大会〜/The 8th Asian Applied Physics Conference  2023.11 

ダイヤモンドヘテロエピ基板上に作製したショットキーバリアダイオード特性：デバイスキラー欠陥低減の効果

#笹栗優, @蔭浦泰資, @Phongsaphak Sittimart, @Valappil Mylo Sreenath, @吉武剛, @大曲新矢

応用物理学会九州支部学術講演会 〜支部設立70周年記念大会〜/The 8th Asian Applied Physics Conference  2023.11 

ヘテロエピタキシャル基板上に作製した1mmΦ大型ダイヤモンドSBDの特性と耐放射線性評価

#笹栗優，@Phongsaphak Sittimart，@石地耕太朗，@蔭浦泰資，@吉武剛，@大曲新矢

第３７回ダイヤモンドシンポジウム  2023.11 

尖端放電型プラズマCVD法を用いたダイヤモンド成長におけるCO２添加の影響評価

#桂健斗，#笹栗優，@大曲新矢，@吉武剛，@蔭浦泰資

第３７回ダイヤモンドシンポジウム  2023.11 

窒素ドープ超ナノ微結晶ダイヤモンド薄膜の電気化学的応用

#長野里基

第1回IV族材料・デバイス研究会  2023.10 

単結晶ダイヤモンドを用いた横型スピンバルブ素子への導電性ナノカーボンオーミック電極の成膜とスピン注入の評価

#綿谷敦志

第1回IV族材料・デバイス研究会  2023.10 

Effects of Target-Substrate Distance on Growth and Mechanical Characteristics of Nanodiamond Composite Coatings Fabricated by Coaxial Arc Plasma Deposition on WC-Co Substrate International conference

#Mohamed Ragab Diab, @Mohamed Egiza, @Koki Murasawa, @Hiroshi Naragino, @Tsuyoshi Yoshitake

The 9th International Exchange and Innovation Conference on Engineering & Sciences (IEICES 2023)  2023.10 

二酸化炭素還元を目指した超ナノ微結晶ダイヤモンド薄膜の水素発生電位の制御

#長野 里基、@Lama Osman、@Abdelrahman Zkria、@楢木野 宏、@吉武 剛

第８４回応用物理学会秋季学術講演会  2023.9 

単結晶ダイヤモンドを用いた横型スピンバルブ素子への導電性ナノカーボンオーミック電極の成膜とスピン注入の評価

#綿谷 敦志、#牧 謙汰、@Sreenath Mylo Valappil、@堺 研一郎、@大曲 新矢、@吉武 剛

第８４回応用物理学会秋季学術講演会  2023.9