Cu Modified TiO<inf>2</inf> Catalyst for Electrochemical Reduction of Carbon Dioxide to Methane

Akihiko Anzai, Ming Han Liu, Kenjiro Ura, Tomohiro G. Noguchi, Akina Yoshizawa, Kenichi Kato, Takeharu Sugiyama, Miho Yamauchi

Catalysts   12 ( 5 )   478 - 478   2022.5

Heterointerface Created on Au-Cluster-Loaded Unilamellar Hydroxide Electrocatalysts as a Highly Active Site for the Oxygen Evolution Reaction

Sho Kitano, Tomohiro G. Noguchi, Masamichi Nishihara, Kazutaka Kamitani, Takeharu Sugiyama, Satoru Yoshioka, Tetsuya Miwa, Kazunari Yoshizawa, Aleksandar Staykov, Miho Yamauchi

Advanced Materials   34 ( 16 )   2110552 - 2110552   2022.4

Rational Design of Cu-Doped ZnS Nanospheres for Photocatalytic Evolution of H<inf>2</inf> with Visible Light

Xin Liu, Ya Zhang, Shigenori Matsushima, Takeharu Sugiyama, Hajime Hojo, Hisahiro Einaga

ACS Applied Energy Materials   5 ( 2 )   1849 - 1857   2022.2

A thermally robust and strongly oxidizing surface of WO3hydrate nanowires for electrical aldehyde sensing with long-term stability Reviewed International journal

Zhang G., Hosomi T., Mizukami W., Liu J., Nagashima K., Takahashi T., Kanai M., Sugiyama T., Yasui T., Aoki Y., Baba Y., Ho J.C., Yanagida T.

Journal of Materials Chemistry A   9 ( 9 )   5815 - 5824   2021.3

Transition of Cationic Local Structures in Mg1-xNixAl2O4 Reviewed International journal

Yoshioka, Satoru; Yasuda, Kazuhiro; Matsumura, Syo; Sugiyama, Takeharu; Kobayashi, Eiichi

JOURNAL OF PHYSICAL CHEMISTRY C   125 ( 9 )   5269 - 5277   2021.3

Study of the Influence of Alkali Metal Cations on Cesium Immobilization by Hydrothermal Method Part1: Synthesis of Pollucite from Suspended Solution Reviewed International journal

OHASHI Hironori, UMETSU Hiroyoshi, TAKAKU Ryousuke, UEHARA Masaki, OTSUKI Shogo, SUGIYAMA Takeharu

Journal of the Society for Remediation of Radioactive Contamination in the Environment   8 ( 4 )   181 - 195   2021.1

Chemical state of Fe3+ in a Fe3+-type cation exchange resin for the removal and recovery of phosphate ions and the adsorption mechanism of phosphate ion to the resin Reviewed International journal

Juntarasakul, Onchanok; Yonezu, Kotaro; Kawamoto, Daisuke; Ohashi, Hironori; Kobayashi, Yasuhiro; Sugiyama, Takeharu; Watanabe, Koichiro; Yokoyama, Takushi

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   605   125314   2020.11

Promoting effect of 2000 ppm H₂S on the dry reforming reaction of CH₄ over pure CeO₂, and in situ observation of the behavior of sulfur during the reaction Reviewed

Kenji Taira, Takeharu Sugiyama, Hisahiro Einaga, Kenji Nakao, Kimihito Suzuki

Journal of Catalysis   389   611 - 622   2020.9

Local Structure Investigations of Accumulated Damage in Irradiated MgAl2O4 Reviewed International journal

Satoru Yoshioka, Konosuke Tsuruta, Tomokazu Yamamoto, Kazuhiro Yasuda, Syo Matsumura, Takeharau Sugiyama, Yojiro Oba, Norito Ishikawa, Eiichi Kobayashi, Koji Okudaira

Journal of the American Ceramic Society   103 ( 8 )   4654 - 4663   2020.3

“The effect of heterogeneous seed crystals on arsenite removal as biogenic scorodite.” Invited Reviewed International journal

2019.12

A new and practical Se(IV) removal method using Fe³⁺ type cation exchange resin Reviewed

Daisuke Kawamoto, Yui Yamanishi, Hironori Ohashi, Kotaro Yonezu, Tetsuo Honma, Takeharu Sugiyama, Yasuhiro Kobayashi, Yoshihiro Okaue, Akane Miyazaki, Takushi Yokoyama

Journal of Hazardous Materials   2019.10

Impact of Ir-Valence Control and Surface Nanostructure on Oxygen Evolution Reaction over a Highly Efficient Ir-TiO₂ Nanorod Catalyst Reviewed

Junfang Cheng, Jun Yang, Sho Kitano, Gergely Juhasz, Manabu Higashi, Masaaki Sadakiyo, Kenichi Kato, Satoru Yoshioka, Takeharu Sugiyama, Miho Yamauchi, Naotoshi Nakashima

ACS Catalysis   9 ( 8 )   6974 - 6986   2019.8

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

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

Multiscale design for high-performance glycolic acid electro-synthesis cell: Preparation of nanoscale-IrO2-applied Ti anode and optimization of cell assembling Reviewed International journal

Takashi Fukushima, Manabu Higashi, Sho Kitano, Takeharu Sugiyama, Miho Yamauchi

Catalysis Today   2019.3

Observation of the formation processes of hexagonal close-packed and face-centered cubic Ru nanoparticles Reviewed

Naoki Araki, Kohei Kusada, Satoru Yoshioka, Takeharu Sugiyama, Toshiaki Ina, Hiroshi Kitagawa

Chemistry Letters   48 ( 9 )   1062 - 1064   2019.1

The Electronic State of Hydrogen in the α Phase of the Hydrogen-Storage Material PdH(D)_x Does a Chemical Bond Between Palladium and Hydrogen Exist? Reviewed

57 ( 31 )   9823 - 9827   2018.7

Effects of air exposure on hard and soft X-ray photoemission spectra of ultrananocrystalline diamond/amorphous carbon composite films Reviewed

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

Coatings   8 ( 10 )   2018.1

Discovery of Hexagonal Structured Pd–B Nanocrystals Reviewed

56 ( 23 )   6578 - 6582   2017.5

Depth-dependent structural analyses in PS-b-P2VP thin films as revealed by grazing incidence small angle scattering in the tender energy region Reviewed

Hiroki Ogawa, Kouta Tsujioka, Mikihito Takenaka, Kazutaka Kamitani, Takeharu Sugiyama, Toshiji Kanaya, Atsushi Takahara

Kobunshi Ronbunshu   74 ( 2 )   109 - 113   2017.3

Laboratory hard X-ray photoelectron spectroscopy of La_1-xSr_xMnO₃ Reviewed

Tomoko Hishida, Masaaki Kobata, Eiji Ikenaga, Takeharu Sugiyama, Kazushige Ohbayashi, Keisuke Kobayashi, Mario Okawa, Tomohiko Saitoh

Japanese Journal of Applied Physics   54 ( 8 )   2015.8

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

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

Applied Physics A: Materials Science and Processing   119 ( 1 )   205 - 210   2015.1

X-ray absorption fine structure study on the role of solvent on polymerization of 3-hexylthiophene with solid FeCl ₃ particles Reviewed

Tomoyasu Hirai, Masanao Sato, Makoto Kido, Yusuke Nagae, Katsuhiro Kaetsu, Yudai Kiyoshima, Shota Fujii, Tomoyuki Ohishi, Kevin L. White, Yuji Higaki, Yasutake Teraoka, Maiko Nishibori, Kazutaka Kamitani, Kenji Hanada, Takeharu Sugiyama, Ryuichi Sugimoto, Kazuhiko Saigo, Ken Kojio, Atsushi Takahara

Journal of Polymer Science, Part A: Polymer Chemistry   53 ( 18 )   2075 - 2078   2015.1

Photoemission and DMFT study of electronic correlations in SrMoO3 Effects of Hund's rule coupling and possible plasmonic sideband Reviewed

H. Wadati, J. Mravlje, K. Yoshimatsu, H. Kumigashira, M. Oshima, Takeharu Sugiyama, E. Ikenaga, A. Fujimori, A. Georges, A. Radetinac, K. S. Takahashi, M. Kawasaki, Y. Tokura

Physical Review B - Condensed Matter and Materials Physics   90 ( 20 )   2014.11

Orbital correlations and dimensional crossover in epitaxial Pr _0.5Ca_0.5MnO₃/La_0.5Sr _0.5MnO₃ superlattices Reviewed

H. Wadati, J. Okamoto, M. Garganourakis, V. Scagnoli, U. Staub, E. Sakai, H. Kumigashira, Takeharu Sugiyama, E. Ikenaga, M. Nakamura, M. Kawasaki, Y. Tokura

New Journal of Physics   16   2014.1

Spectroscopic studies on the electronic and magnetic states of Co-doped perovskite manganite Pr_0.8Ca_0.2Mn_1-yCo _yO₃ thin films Reviewed

K. Yoshimatsu, H. Wadati, E. Sakai, T. Harada, Y. Takahashi, T. Harano, G. Shibata, K. Ishigami, T. Kadono, T. Koide, Takeharu Sugiyama, E. Ikenaga, H. Kumigashira, M. Lippmaa, M. Oshima, A. Fujimori

Physical Review B - Condensed Matter and Materials Physics   88 ( 17 )   2013.11

Development of high lateral and wide angle resolved hard X-ray photoemission spectroscopy at BL47XU in SPring-8 Reviewed

Eiji Ikenaga, Masaaki Kobata, Hiroyuki Matsuda, Takeharu Sugiyama, Hiroshi Daimon, Keisuke Kobayashi

Journal of Electron Spectroscopy and Related Phenomena   190 ( PART B )   180 - 187   2013.10

Empirical relationship between x-ray photoemission spectra and electrical conductivity in a colossal magnetoresistive manganite La_{1- x}Sr_xMnO₃ Reviewed

T. Hishida, K. Ohbayashi, M. Kobata, E. Ikenaga, Takeharu Sugiyama, K. Kobayashi, M. Okawa, T. Saitoh

Journal of Applied Physics   113 ( 23 )   2013.6

Electronic structure of the hole-doped delafossite oxides CuCr _1-x Mg _x O ₂ Reviewed

T. Yokobori, M. Okawa, K. Konishi, R. Takei, K. Katayama, S. Oozono, T. Shinmura, T. Okuda, H. Wadati, E. Sakai, K. Ono, H. Kumigashira, M. Oshima, Takeharu Sugiyama, E. Ikenaga, N. Hamada, T. Saitoh

Physical Review B - Condensed Matter and Materials Physics   87 ( 19 )   2013.5

Large spin-orbit splitting and weakly anisotropic superconductivity revealed with single-crystalline noncentrosymmetric CaIrSi ₃ Reviewed

G. Eguchi, H. Wadati, Takeharu Sugiyama, E. Ikenaga, S. Yonezawa, Y. Maeno

Physical Review B - Condensed Matter and Materials Physics   86 ( 18 )   2012.11

Band alignment of InGaZnO ₄/Si interface by hard x-ray photoelectron spectroscopy Reviewed

Kyeongmi Lee, Kenji Nomura, Hiroshi Yanagi, Toshio Kamiya, Eiji Ikenaga, Takeharu Sugiyama, Keisuke Kobayashi, Hideo Hosono

Journal of Applied Physics   112 ( 3 )   2012.8

Spin polarimetry and magnetic dichroism on a buried magnetic layer using hard X-ray photoelectron spectroscopy Reviewed

Japanese journal of applied physics   51 ( 1 )   2012.1

Electronic structure and symmetry of valence states of epitaxial NiTiSn and NiZr_0.5Hf_0.5Sn thin films by hard x-ray photoelectron spectroscopy Reviewed

Xeniya Kozina, Tino Jaeger, Siham Ouardi, Andrei Gloskowskij, Gregory Stryganyuk, Gerhard Jakob, Takeharu Sugiyama, Eiji Ikenaga, Gerhard H. Fecher, Claudia Felser

Applied Physics Letters   99 ( 22 )   2011.11

Magnetic dichroism in angle-resolved hard x-ray photoemission from buried layers Reviewed

Physical Review B - Condensed Matter and Materials Physics   84 ( 5 )   2011.8

Polarity determination of wurtzite-type crystals using hard x-ray photoelectron diffraction Reviewed

Jesse R. Williams, Masaaki Kobata, Igor Pis, Eiji Ikenaga, Takeharu Sugiyama, Keisuke Kobayashi, Naoki Ohashi

Surface Science   605 ( 13-14 )   1336 - 1340   2011.7

Symmetry of valence states of heusler compounds explored by linear dichroism in Hard-x-ray photoelectron spectroscopy Reviewed

Siham Ouardi, Gerhard H. Fecher, Xeniya Kozina, Gregory Stryganyuk, Benjamin Balke, Claudia Felser, Eiji Ikenaga, Takeharu Sugiyama, Naomi Kawamura, Motohiro Suzuki, Keisuke Kobayashi

Physical Review Letters   107 ( 3 )   2011.7

Mn incorporation into the GaAs lattice investigated by hard x-ray photoelectron spectroscopy and diffraction Reviewed

Physical Review B - Condensed Matter and Materials Physics   83 ( 23 )   2011.6

Surface metallization on high temperature liquid-crystal-polymer film by uv-irradiation process Reviewed

Takeharu Sugiyama, Yosuke Iimori, Kunihiro Baba, Mitsuhiro Watanabe, Hideo Honma

Journal of the Electrochemical Society   156 ( 9 )   2009.8

Fabrication of a highly oriented line structure on an aluminum surface and the nanoscale patterning on the nanoscale structure using highly functional molecules Reviewed

Y. Watanabe, H. Kato, S. Takemura, H. Watanabe, K. Hayakawa, S. Kimura, D. Okumura, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films   27 ( 4 )   793 - 798   2009.7

Nanostructure fabrication on an Al surface by chemical and electrochemical multiprocess and nanoscale molecular patterning on the nanostructured Al surface Reviewed

Y. Watanabe, H. Kato, S. Takemura, S. Kusama, G. Iimura, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures   27 ( 2 )   874 - 881   2009.4

Conducting polymer nanofilm growth on a nanoscale linked-crater pattern fabricated on an Al surface Reviewed

H. Kato, S. Takemura, A. Ishii, Y. Takarai, Y. Watanabe, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films   26 ( 4 )   824 - 831   2008.7

Dynamic force microscopy and X-ray photoemission spectroscopy studies of nanowire fabrication on a highly oriented line-structure of Al surface Reviewed

H. Kato, Y. Watanabe, S. Takemura, R. Nakano, Takeharu Sugiyama, K. Shimada, T. Hiramatsu, N. Nanba, K. Matsui

Journal of Physics: Conference Series   100 ( PART 5 )   2008.3

Nanoscale molecular patterning on artificially fabricated nanoscale structured Al surfaces Reviewed

H. Kato, S. Takemura, S. Kimura, T. Okumura, D. Kobayakawa, Y. Watanabe, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Physics: Conference Series   100 ( PART 5 )   2008.3

Dynamic force microscopy and X-ray photoemission spectroscopy studies of conducting polymer thin film on nanoscale structured Al surface

Hitoshi Kato, Susumu Takemura, Atsuro Ishii, Yoshiyuki Takarai, Yohei Watanabe, Takeharu Sugiyama, Tomoyasu Hiramatsu, Noriyuki Nanba, Osamu Nishikawa, Masahiro Taniguchi

Nanoengineering: Fabrication, Properties, Optics, and Devices IV Nanoengineering Fabrication, Properties, Optics, and Devices IV   6645   2007.12

Photoemission microspectroscopy and imaging of bilayer islands formed in monolayer titanyl phthalocyanine films Reviewed

Takeharu Sugiyama, T. Sasaki, S. Kera, N. Ueno, T. Munakata

Chemical Physics Letters   449 ( 4-6 )   319 - 322   2007.12

Study of dye molecule orientation and configuration in dye molecule doped polythiophene films Reviewed

H. Kato, S. Takemura, Y. Watanabe, T. Nara, T. Hayashi, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films   25 ( 6 )   1547 - 1551   2007.11

Topographical studies of nanoscale secondary structure of electrochemical anodized aluminum surface Reviewed

H. Kato, Takeharu Sugiyama, S. Takemura, Y. Watanabe, Y. Takarai, A. Ishii, S. Kimura, T. Okumura, D. Kobayakawa, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films   25 ( 4 )   1042 - 1047   2007.8

X-ray photoemission spectroscopy and Fourier transform infrared studies of electrochemical doping of copper phthalocyanine molecule in conducting polymer Reviewed

H. Kato, S. Takemura, Y. Watanabe, A. Ishii, I. Tsuchida, Y. Akai, Takeharu Sugiyama, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films   25 ( 4 )   1147 - 1151   2007.8

Topographical studies of electrochemical anodized metal surfaces Reviewed

H. Kato, S. Takemura, Takeharu Sugiyama, Y. Watanabe, H. Matsunami, Y. Takarai, M. Izumiyama, A. Ishii, T. Hiramatsu, N. Nanba, O. Nishikawa, M. Taniguchi

Journal of Physics: Conference Series   61 ( 1 )   518 - 522   2007.4

Intermolecular and interlayer interactions in copper phthalocyanine films as measured with microspot photoemission spectroscopy Reviewed

Takeharu Sugiyama, Toshihide Sasaki, Satoshi Kera, Nobuo Ueno, Toshiaki Munakata

Applied Physics Letters   89 ( 20 )   2006.11

One- And two-photon photo emission micro-spectroscopy for organic films

T. Munakata, M. Shibuta, M. Mikamori, T. Yamada, K. Miyakubo, Takeharu Sugiyama, Y. Sonoda

Physical Chemistry of Interfaces and Nanomaterials V Physical Chemistry of Interfaces and Nanomaterials V   6325   2006.11

Laser-based photoemission micro-spectroscopy for occupied and unoccupied states of inhomogeneous surfaces Reviewed

T. Munakata, Takeharu Sugiyama, Y. Sonoda

Surface Science   593 ( 1-3 )   38 - 42   2005.11

Photoemission microscopy for surface states of copper measured at different photoelectron energies Reviewed

Takeharu Sugiyama, M. Aida, N. Ueno, T. Munakata

Journal of Electron Spectroscopy and Related Phenomena   144-147   1167 - 1169   2005.6

Inhomogeneous electronic structure of copper phthalocyanine film measured with microspot photoemission spectroscopy Reviewed

T. Munakata, Takeharu Sugiyama, T. Masuda, M. Aida, N. Ueno

Applied Physics Letters   85 ( 16 )   3584 - 3586   2004.10

High-energy resolution photoemission microspectroscopy (1 1 1) domains featured by the Shockley and the image-potential states at a polycrystalline Cu surface Reviewed

Takeharu Sugiyama, Takuya Masuda, Makihide Aida, Nobuo Ueno, Toshiaki Munakata

Journal of Electron Spectroscopy and Related Phenomena   137-140 ( SPEC. ISS. )   193 - 197   2004.7

Photoemission microspectroscopy of occupied and unoccupied surface states of crystalline facets formed on polycrystalline copper Reviewed

Toshiaki Munakata, Takeharu Sugiyama, Takuya Masuda, Nobuo Ueno

Physical Review B - Condensed Matter and Materials Physics   68 ( 16 )   2003.10

Microspot photoemission spectrometer based on FS-VUV radiation Reviewed

T. Munakata, T. Masuda, N. Ueno, S. Sakaya, Takeharu Sugiyama, N. Takehiro, Y. Sonoda

Proceedings of the 7th International Conference on Nanometer Surface Science   532-535   1140 - 1144   2003.6

Electrochemical potential dependence of an ultrafast nonequilibrium electron dynamics at Au(111) electrode/aqueous solution interfaces modified with alkanethiols Reviewed

Takeharu Sugiyama, Toshio Ishioka, Akira Harata, Yoshihiko Hatano

Journal of Physical Chemistry B   106 ( 18 )   4740 - 4745   2002.5

実行委員

第32回日本放射光学会年会・放射光科学合同シンポジウム（JSR2019）  （ 福岡国際会議場 ） 2019.1