Updated on 2024/09/02

Information

 

写真a

 
SAITO HIKARU
 
Organization
Institute for Materials Chemistry and Engineering Department of Integrated Materials Associate Professor
Interdisciplinary Graduate School of Engineering Sciences Department of Interdisciplinary Engineering Sciences(Concurrent)
Title
Associate Professor
Contact information
メールアドレス
Tel
0925837621
Homepage

Degree

  • PhD (Science)

Research History

  • 2014.04 - 2015.03 東京工業大学量子ナノエレクロニクス研究センター・研究員

Research Interests・Research Keywords

  • Research theme:Rapid electron tomography assisted by machine learning

    Keyword:electron tomography, machine learning

    Research period: 2020.7

  • Research theme:3D observation of ferromagnetic material by magnetic-field-free STEM

    Keyword:Tomography, Lorentz-STEM, Iron and steel, magnetic material

    Research period: 2015.10

  • Research theme:Interactions between metals and oxides characterized by electron energy-loss spectroscopy

    Keyword:catalysis, perovskite, EELS, electron microscopy

    Research period: 2015.4

  • Research theme:Plasmonic crystals characterized by scanning transmission electron microscopy-cathodoluminescence

    Keyword:surface plasmon polariton, topological edge mode, valleytronics, plasmonic crystal, waveguide, luminescence enhancement, electron microscopy

    Research period: 2014.4

  • Research theme:Optical property of nanostructural material characterized by angle-resolved electron energy-loss spectroscopy

    Keyword:EELS, electron microscopy, photonics, plasmonics

    Research period: 2011.4

Awards

  • 日本顕微鏡学会奨励賞

    2022.5   日本顕微鏡学会   電子線顕微分光によるプラズモニクス材料の研究

  • 日本物理学会若手奨励賞

    2021.3   日本物理学会   電子線分光によるプラズモニック結晶の研究

  • 日本顕微鏡学会論文賞

    2017.6   日本顕微鏡学会  

  • 風戸研究奨励賞

    2015.2   風戸研究奨励会  

Papers

  • Diffusion-Dominated Luminescence Dynamics of CsPbBr3 Studied Using Cathodoluminescence and Microphotoluminescence Spectroscopy Reviewed International journal

    Sho Nekita, Sotatsu Yanagimoto, Takumi Sannomiya, Keiichirou Akiba, Masato Takiguchi, Hisashi Sumikura, Itsuki Takagi, Kazutaka G Nakamura, SenPo Yip, You Meng, Johnny C Ho, Tetsuya Okuyama, Mitsuhiro Murayama, Hikaru Saito

    Nano Letters   24 ( 13 )   3971 - 3977   2024.3

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  • Five-second STEM dislocation tomography for 300 nm thick specimen assisted by deep-learning-based noise filtering Reviewed International journal

    Yifang Zhao, Suguru Koike, Rikuto Nakama, Shiro Ihara, Masatoshi Mitsuhara, Mitsuhiro Murayama, Satoshi Hata, Hikaru Saito

    Scientific reports   11 ( 1 )   1 - 12   2021.10

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    Other Link: https://www.nature.com/articles/s41598-021-99914-5

  • Valley-polarized plasmonic edge mode visualized in the near-infrared spectral range Reviewed International journal

    Hikaru Saito, Daichi Yoshimoto, Yuto Moritake, Taeko Matsukata, Naoki Yamamoto, Takumi Sannomiya

    Nano Letters   21 ( 15 )   6556 - 6562   2021.7

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    Other Link: https://pubs.acs.org/doi/full/10.1021/acs.nanolett.1c01841

  • Emergence of point defect states in a plasmonic crystal Reviewed

    Physical Review B   100 ( 24 )   2019.12

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    DOI: 10.1103/PhysRevB.100.245402

  • Hybridization of Gap Modes and Lattice Modes in a Plasmonic Resonator Array with a Metal-Insulator-Metal Structure Reviewed

    Hikaru Saito, Daichi Yoshimoto, Hugo Lourenco-Martins, Naoki Yamamoto, Takumi Sannomiya

    ACS Photonics   2019.1

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    DOI: 10.1021/acsphotonics.9b00977

  • Characterization of Nonradiative Bloch Modes in a Plasmonic Triangular Lattice by Electron Energy-Loss Spectroscopy Reviewed

    Daichi Yoshimoto, Hikaru Saito, Satoshi Hata, Yoshifumi Fujiyoshi, Hiroki Kurata

    ACS Photonics   5 ( 11 )   4476 - 4483   2018.11

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    DOI: 10.1021/acsphotonics.8b00936

  • Three-dimensional visualization of dislocations in a ferromagnetic material by magnetic-field-free electron tomography Reviewed

    Kana L. Hasezaki, Hikaru Saito, Takumi Sannomiya, Hiroya Miyazaki, Takashi Gondo, Shinsuke Miyazaki, Satoshi Hata

    Ultramicroscopy   182   249 - 257   2017.11

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    DOI: 10.1016/j.ultramic.2017.07.016

  • Waveguide Bandgap in Crystalline Bandgap Slows Down Surface Plasmon Polariton Reviewed

    Hikaru Saito, Naoki Yamamoto, Takumi Sannomiya

    ACS Photonics   4 ( 6 )   1361 - 1370   2017.6

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    DOI: 10.1021/acsphotonics.6b00943

  • Confinement of Surface Plasmon Polaritons by Heterostructures of Plasmonic Crystals Reviewed

    Hikaru Saito, Shohei Mizuma, Naoki Yamamoto

    Nano Letters   15 ( 10 )   6789 - 6793   2015.10

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    DOI: 10.1021/acs.nanolett.5b02623

  • Control of Light Emission by a Plasmonic Crystal Cavity Reviewed

    Hikaru Saito, Naoki Yamamoto

    Nano Letters   15 ( 9 )   5764 - 5769   2015.9

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    DOI: 10.1021/acs.nanolett.5b01719

  • Size dependence of bandgaps in a two-dimensional plasmonic crystal with a hexagonal lattice Reviewed

    Hikaru Saito, Naoki Yamamoto

    Optics Express   23 ( 3 )   2524 - 2540   2015.2

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    DOI: 10.1364/OE.23.002524

  • Dispersion relations for coupled surface plasmon-polariton modes excited in multilayer structures Reviewed

    Hikaru Saito, Kyoko Namura, Motofumi Suzuki, Hiroki Kurata

    Microscopy   63 ( 1 )   85 - 93   2014.1

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    DOI: 10.1093/jmicro/dft047

  • Optical guided modes coupled with Čerenkov radiation excited in Si slab using angular-resolved electron energy-loss spectrum Reviewed

    113 ( 11 )   2013.3

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    Retardation effects in the valence electron energy-loss spectrum (EELS) of a Si slab are analyzed by angular-resolved EELS. The dispersion curves of the valence spectra excited in a slab are directly observed from a specimen area with several different thicknesses and are interpreted by performing a calculation of the dispersion relation using Krögers formula. The dispersion curves observed below about 3 eV are attributed to guided modes coupled with Čerenkov radiation (ČR). The coupling between guided modes and ČR is found to be dependent on the sample thickness (t). For the sample with t > 150 nm, the intensity of the guided modes increased linearly with thickness, revealing the coupling with ČR. For t 150 nm, however, the intensity of the guided modes rapidly decreased due to a diminished coupling with ČR, resulting from the thickness-dependent dispersion curves of the guided modes.

    DOI: 10.1063/1.4796140

  • In-situ heating-and-electron tomography for materials research: from 3D (in-situ 2D) to 4D (in-situ 3D) Invited Reviewed International journal

    Satoshi Hata, Shiro Ihara, Hikaru Saito, Mitsuhiro Murayama

    Microscopy   dfae008   2024.2

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  • A thiomolybdate cluster for visible-light-driven hydrogen evolution: comparison of homogeneous and heterogeneous approaches Invited Reviewed International journal

    Sustainable Energy & Fuels   8 ( 6 )   1225 - 1235   2024.2

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  • Influx of nitrogen-rich material from the outer Solar System indicated by iron nitride in Ryugu samples Reviewed International journal

    Nature Astronomy   8 ( 2 )   207 - 215   2024.2

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  • Cathodoluminescence spectral and lifetime mapping of Cs4PbBr6: fast lifetime and its scintillator application Reviewed International journal

    Tetsuya Kubota, Sotatsu Yanagimoto, Hikaru Saito, Keiichirou Akiba, Ayumi Ishii, Takumi Sannomiya

    Applied Physics Express   17 ( 1 )   015005   2024.1

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  • Effect of ZrSnO4 solid solution on the crystallization behavior of Li2O–Al2O3–SiO2 glasses Reviewed International journal

    15 ( 1 )   31 - 43   2024.1

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  • Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro‐to nano‐scale Reviewed International journal

    Rhonda M Stroud, Jens Barosch, Lydie Bonal, Katherine Burgess, George D Cody, Bradley T De Gregorio, Luke Daly, Emmanuel Dartois, Elena Dobrică, Jean Duprat, Cecile Engrand, Dennis Harries, Minako Hashiguchi, Hope Ishii, Yoko Kebukawa, A David Kilcoyne, Falko Langenhorst, Martin R Lee, Larry R Nittler, Eric Quirico, Taiga Okumura, Laurent Remusat, Scott Sandford, Hikaru Yabuta, Masanao Abe, Neyda M Abreu, Paul AJ Bagot, Pierre Beck, Laure Bejach, Phil A Bland, John C Bridges, Brittany A Cymes, Alexandre Dazzi, Francisco de la Peña, Ariane Deniset‐Besseau, Satomi Enju, Yuma Enokido, David R Frank, Jennifer Gray, Mitsutaka Haruta, Satoshi Hata, Leon Hicks, Yohei Igami, Damien Jacob, Kanami Kamide, Mutsumi Komatsu, Sylvain Laforet, Hugues Leroux, Corentin Le Guillou, Zita Martins, Maya Marinova, James Martinez, Jérémie Mathurin, Megumi Matsumoto, Toru Matsumoto, Junya Matsuno, Samuel McFadzean, Tatsuhiro Michikami, Itaru Mitsukawa, Akira Miyake, Masaaki Miyahara, Akiko Miyazaki, Gilles Montagnac, Smail Mostefaoui, Tomoki Nakamura, Aiko Nakato, Hiroshi Naraoka, Yusuke Nakauchi, Satoru Nakazawa, Masahiro Nishimura, Takaaki Noguchi, Kenta Ohtaki, Takuji Ohigashi, Tatsuaki Okada, Shota Okumura, Ryuji Okazaki, Thi HV Phan, Rolando Rebois, Kanako Sakamoto, Takanao Saiki, Hikaru Saito, Yusuke Seto, Miho Shigenaka, William Smith, Hiroki Suga, Mingqi Sun, Shogo Tachibana, Yoshio Takahashi, Yasuo Takeichi, Akihisa Takeuchi, Aki Takigawa, Yusuke Tamenori, Satoshi Tanaka, Fuyuto Terui, Michelle S Thompson, Naotaka Tomioka, Akira Tsuchiyama, Yuichi Tsuda, Kentaro Uesugi, Masayuki Uesugi, Tomohiro Usui, Maximilien Verdier‐Paoletti, Daisuke Wakabayashi, Sei‐ichiro Watanabe, Toru Yada, Shohei Yamashita, Masahiro Yasutake, Kasumi Yogata, Makoto Yoshikawa, Hisayoshi Yurimoto, Pierre‐M Zanetta, Thomas Zega, Michael E Zolensky

    2024.1

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  • Four‐dimensional‐STEM analysis of the phyllosilicate‐rich matrix of Ryugu samples Reviewed International journal

    Bahae‐eddine Mouloud, Damien Jacob, Francisco de la Peña, Maya Marinova, Corentin Le Guillou, Jean‐christophe Viennet, Sylvain Laforet, Hugues Leroux, Adrien Teurtrie, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka, Hope A Ishii, John P Bradley, Kenta K Ohtaki, Elena Dobrica, Falko Langenhorst, Dennis Harries, Pierre Beck, Thi HV Phan, Rolando Rebois, Neyda M Abreu, Jennifer Gray, Thomas Zega, Pierre‐M Zanetta, Michelle S Thompson, Rhonda Stroud, Kate Burgess, Brittany A Cymes, John C Bridges, Leon Hicks, Martin R Lee, Luke Daly, Phil A Bland, Michael E Zolensky, David R Frank, James Martinez, Akira Tsuchiyama, Masahiro Yasutake, Junya Matsuno, Shota Okumura, Itaru Mitsukawa, Kentaro Uesugi, Masayuki Uesugi, Akihisa Takeuchi, Mingqi Sun, Satomi Enju, Aki Takigawa, Tatsuhiro Michikami, Tomoki Nakamura, Megumi Matsumoto, Yusuke Nakauchi, Masanao Abe, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Aiko Nakato, Masahiro Nishimura, Tomohiro Usui, Toru Yada, Hisayoshi Yurimoto, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamotoa, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Sei‐ichiro Watanabe, Yuichi Tsuda

    2024.1

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  • In situ investigation of an organic micro‐globule and its mineralogical context within a Ryugu “sand” grain Reviewed International journal

    Van TH Phan, Pierre Beck, Rolando Rebois, Eric Quirico, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka, Hope A Ishii, John P Bradley, Kenta K Ohtaki, Elena Dobrică, Hugues Leroux, Corentin Le Guillou, Damien Jacob, Francisco de la Peña, Sylvain Laforet, Maya Marinova, Falko Langenhorst, Dennis Harries, Neyda M Abreu, Jennifer Gray, Thomas Zega, Pierre‐M Zanetta, Michelle S Thompson, Rhonda Stroud, Jérémie Mathurin, Alexandre Dazzi, Emmanuel Dartois, Cécile Engrand, Kate Burgess, Brittany A Cymes, John C Bridges, Leon Hicks, Martin R Lee, Luke Daly, Phil A Bland, Michael E Zolensky, David R Frank, James Martinez, Akira Tsuchiyama, Masahiro Yasutake, Junya Matsuno, Shota Okumura, Itaru Mitsukawa, Kentaro Uesugi, Masayuki Uesugi, Akihisa Takeuchi, Mingqi Sun, Satomi Enju, Aki Takigawa, Tatsuhiro Michikami, Tomoki Nakamura, Megumi Matsumoto, Yusuke Nakauchi, Masanao Abe, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Aiko Nakato, Masahiro Nishimura, Tomohiro Usui, Toru Yada, Hisayoshi Yurimoto, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamotoa, Peter Hoppe, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Sei‐ichiro Watanabe, Yuichi Tsuda

    2024.1

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  • Mineralogy and petrology of fine‐grained samples recovered from the asteroid (162173) Ryugu Reviewed International journal

    Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka, Hope A Ishii, John P Bradley, Kenta K Ohtaki, Elena Dobrică, Hugues Leroux, Corentin Le Guillou, Damien Jacob, Francisco de la Peña, Sylvain Laforet, Bahae‐Eddine Mouloud, Maya Marinova, Falko Langenhorst, Dennis Harries, Pierre Beck, Thi HV Phan, Rolando Rebois, Neyda M Abreu, Jennifer Gray, Thomas Zega, Pierre‐M Zanetta, Michelle S Thompson, Rhonda Stroud, Kate Burgess, Brittany A Cymes, John C Bridges, Leon Hicks, Martin R Lee, Luke Daly, Phil A Bland, William A Smith, Sam McFadzean, Pierre‐Etienne Martin, Paul AJ Bagot, Dennis Fougerouse, David W Saxey, Steven Reddy, William DA Rickard, Michael E Zolensky, David R Frank, James Martinez, Akira Tsuchiyama, Masahiro Yasutake, Junya Matsuno, Shota Okumura, Itaru Mitsukawa, Kentaro Uesugi, Masayuki Uesugi, Akihisa Takeuchi, Mingqi Sun, Satomi Enju, Aki Takigawa, Tatsuhiro Michikami, Tomoki Nakamura, Megumi Matsumoto, Yusuke Nakauchi, Masanao Abe, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Aiko Nakato, Masahiro Nishimura, Tomohiro Usui, Toru Yada, Hisayoshi Yurimoto, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamotoa, Peter Hoppe, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Sei‐ichiro Watanabe, Yuichi Tsuda

    2023.11

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  • Phyllosilicates with embedded Fe‐based nanophases in Ryugu and Orgueil Invited Reviewed International journal

    Hugues Leroux, Corentin Le Guillou, Maya Marinova, Sylvain Laforet, Jean‐Christophe Viennet, Bahae‐eddine Mouloud, Adrien Teurtrie, Francisco de la Peña, Damien Jacob, Daniel Hallatt, Mario Pelaez Fernandez, David Troadec, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka, Hope A Ishii, John P Bradley, Kenta K Ohtaki, Elena Dobrică, Falko Langenhorst, Dennis Harries, Pierre Beck, Thi HV Phan, Rolando Rebois, Neyda M Abreu, Jennifer Gray, Thomas Zega, Pierre‐M Zanetta, Michelle S Thompson, Rhonda Stroud, Kate Burgess, Brittany A Cymes, John C Bridges, Leon Hicks, Martin R Lee, Luke Daly, Phil A Bland, Michael E Zolensky, David R Frank, James Martinez, Akira Tsuchiyama, Masahiro Yasutake, Junya Matsuno, Shota Okumura, Itaru Mitsukawa, Kentaro Uesugi, Masayuki Uesugi, Akihisa Takeuchi, Mingqi Sun, Satomi Enju, Aki Takigawa, Tatsuhiro Michikami, Tomoki Nakamura, Megumi Matsumoto, Yusuke Nakauchi, Masanao Abe, Satoru Nakazawa, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Makoto Yoshikawa, Akiko Miyazaki, Aiko Nakato, Masahiro Nishimura, Tomohiro Usui, Toru Yada, Hisayoshi Yurimoto, Kazuhide Nagashima, Noriyuki Kawasaki, Naoya Sakamotoa, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Sei‐Ichiro Watanabe, Yuichi Tsuda

    2023.11

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  • Time-correlated electron and photon counting microscopy Reviewed International journal

    Sotatsu Yanagimoto, Naoki Yamamoto, Tatsuro Yuge, Hikaru Saito, Keiichirou Akiba, Takumi Sannomiya

    Communications Physics   6 ( 1 )   260   2023.9

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  • Pseudobinary Approach to the Discovery and Design of Copper-Based Sulfides Reviewed International journal

    Takashi Hagiwara, Koichiro Suekuni, Pierric Lemoine, Carmelo Prestipino, Erik Elkaim, Andrew R Supka, Rabih Al Rahal Al Orabi, Marco Fornari, Emmanuel Guilmeau, Bernard Raveau, Hikaru Saito, Philipp Sauerschnig, Michihiro Ohta, Yui Kanemori, Michitaka Ohtaki

    Chemistry of Materials   35 ( 18 )   7554 - 7563   2023.9

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  • The Emergence of 2D Building Units in Metal‐Organic Frameworks for Photocatalytic Hydrogen Evolution: A Case Study with COK‐47 Reviewed International journal

    13 ( 31 )   2300961   2023.8

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  • Yield and flow properties of ultra-fine, fine, and coarse grain microstructures of FeCoNi equiatomic alloy at ambient and cryogenic temperatures Reviewed International journal

    Avala Lavakumar, Shuhei Yoshida, Jesada Punyafu, Shiro Ihara, Yan Chong, Hikaru Saito, Nobuhiro Tsuji, Mitsuhiro Murayama

    Scripta Materialia   2023.6

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  • In situ electron tomography for the thermally activated solid reaction of anaerobic nanoparticles Reviewed International journal

    Shiro Ihara, Mizumo Yoshinaga, Hiroya Miyazaki, Kota Wada, Satoshi Hata, Hikaru Saito, Mitsuhiro Murayama

    Nanoscale   15   10133 - 10140   2023.6

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  • Nonequilibrium spherulitic magnetite in the Ryugu samples Reviewed International journal

    Geochimica et Cosmochimica Acta   346 ( 65-75 )   2023.4

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  • Three-dimensional electron tomography and recent expansion of its applications in materials science Reviewed International journal

    Norio Baba, Satoshi Hata, Hikaru Saito, Kenji Kaneko

    Microscopy   72 ( 2 )   111 - 134   2023.4

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  • Microstructure and Its Heat Treatment Process of Thin Films Fabricated by Alternate Sputtering of (Bi, Pb) 2 Sr 2 CaCu 2 O x and Pb–Ca–Cu–O Targets on SrTiO 3 Substrates Reviewed International journal

    33 ( 5 )   1 - 5   2023.3

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  • Interfacial Molecular Compatibility for Programming Organic–Metal Oxide Superlattices Reviewed International journal

    15 ( 22 )   27099 - 27109   2023.3

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  • A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu Invited Reviewed International journal

    Nature Astronomy   7 ( 2 )   170 - 181   2023.2

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  • Microstructural factors dictating the initial plastic deformation behavior of an ultrafine-grained Fe–22Mn-0.6 C TWIP steel Reviewed International journal

    862   144506   2023.1

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  • K-doped Ba122 epitaxial thin film on MgO substrate by buffer engineering Reviewed International journal

    Dongyi Qin, Kazumasa Iida, Zimeng Guo, Chao Wang, Hikaru Saito, Satoshi Hata, Michio Naito, Akiyasu Yamamoto

    Superconductor Science and Technology   35 ( 9 )   09LT01   2022.8

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  • Deep learning-based noise filtering toward millisecond order imaging by using scanning transmission electron microscopy Reviewed International journal

    Shiro Ihara, Hikaru Saito, Mizumo Yoshinaga, Lavakumar Avala, Mitsuhiro Murayama

    Scientific reports   12 ( 1 )   13462   2022.8

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  • Immobilization of a [CoᴵᴵᴵCoᴵᴵ (H₂O) W₁₁O₃₉] ⁷⁻ Polyoxoanion for the Photocatalytic Oxygen Evolution Reaction Reviewed International journal

    2 ( 4 )   505 - 515   2022.7

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  • Surface Anchoring and Active Sites of [Mo3S13]2– Clusters as Co-Catalysts for Photocatalytic Hydrogen Evolution Reviewed International journal

    12 ( 11 )   6641 - 6650   2022.5

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    Other Link: https://pubs.acs.org/doi/full/10.1021/acscatal.2c00972

  • High capacity all-solid-state lithium battery enabled by in situ formation of an ionic conduction path by lithiation of MgH 2 Reviewed International journal

    Atsushi Inoishi, Hiroki Sato, Yixin Chen, Hikaru Saito, Ryo Sakamoto, Hikari Sakaebe, Shigeto Okada

    RSC advances   12 ( 17 )   10749 - 10754   2022.4

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    Other Link: https://pubs.rsc.org/en/content/articlehtml/2022/ra/d2ra01199a

  • Water-Selective Nanostructured Dehumidifiers for Molecular Sensing Spaces Reviewed International journal

    Jiangyang Liu, Kazuki Nagashima, Takuro Hosomi, Wenjin Lei, Guozhu Zhang, Tsunaki Takahashi, Xixi Zhao, Yosuke Hanai, Atsuo Nakao, Masaya Nakatani, Wataru Tanaka, Hikaru Saito, Masaki Kanai, Taisuke Shimada, Takao Yasui, Yoshinobu Baba, Takeshi Yanagida

    ACS sensors   7 ( 2 )   534 - 544   2022.1

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    Other Link: https://pubs.acs.org/doi/full/10.1021/acssensors.1c02378

  • Exciton-dielectric mode coupling in MoS2 nanoflakes visualized by cathodoluminescence Reviewed International journal

    Dung Thi Vu, Nikolaos Matthaiakakis, Hikaru Saito, Takumi Sannomiya

    Nanophotonics   11 ( 9 )   2129 - 2137   2022.1

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    Other Link: https://www.degruyter.com/document/doi/10.1515/nanoph-2021-0643/html?lang=en

  • Microwave synthesis of ZnO microcrystals with novel asymmetric morphology Reviewed International journal

    Wojciech Klich, Miki Inada, Hongy Gao, Hikaru Saito, Michitaka Ohtaki

    Advanced Powder Technology   32 ( 11 )   4356 - 4363   2021.11

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    Other Link: https://www.sciencedirect.com/science/article/pii/S0921883121004659

  • Approaching the ultimate superconducting properties of (Ba, K) Fe2As2 by naturally formed low-angle grain boundary networks Reviewed International journal

    Kazumasa Iida, Dongyi Qin, Chiara Tarantini, Takafumi Hatano, Chao Wang, Zimeng Guo, Hongye Gao, Hikaru Saito, Satoshi Hata, Michio Naito, Akiyasu Yamamoto

    NPG Asia Materials   13 ( 1 )   1 - 9   2021.10

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    Other Link: https://www.nature.com/articles/s41427-021-00337-5

  • Synergistic Effect of Chemical Substitution and Insertion on the Thermoelectric Performance of Cu26V2Ge6S32 Colusite Reviewed International journal

    Yuta Shimizu, Koichiro Suekuni, Hikaru Saito, Pierric Lemoine, Emmanuel Guilmeau, Bernard Raveau, Raju Chetty, Michihiro Ohta, Toshiro Takabatake, Michitaka Ohtaki

    Inorganic chemistry   60 ( 15 )   11364 - 11373   2021.7

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  • Key Role of d0 and d10 Cations for the Design of Semiconducting Colusites: Large Thermoelectric ZT in Cu26Ti2Sb6S32 Compounds Reviewed International journal

    Takashi Hagiwara, Koichiro Suekuni, Pierric Lemoine, Andrew R Supka, Raju Chetty, Emmanuel Guilmeau, Bernard Raveau, Marco Fornari, Michihiro Ohta, Rabih Al Rahal Al Orabi, Hikaru Saito, Katsuaki Hashikuni, Michitaka Ohtaki

    Chemistry of Materials   33 ( 9 )   3449 - 3456   2021.4

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    DOI: 10.1021/acs.chemmater.1c00872

  • High J(c) and low anisotropy of hydrogen doped NdFeAsO superconducting thin film Reviewed International journal

    SCIENTIFIC REPORTS   11 ( 1 )   2021.3

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    DOI: 10.1038/s41598-021-85216-3

  • The impact of surface Cu 2+ of ZnO/(Cu 1− x Zn x) O heterostructured nanowires on the adsorption and chemical transformation of carbonyl compounds Reviewed International journal

    12 ( 14 )   5073 - 5081   2021.2

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  • Realization of epitaxial thin films of the superconductor K-doped BaFe2As2 Reviewed International journal

    Dongyi Qin, Kazumasa Iida, Takafumi Hatano, Hikaru Saito, Yiming Ma, Chao Wang, Satoshi Hata, Michio Naito, Akiyasu Yamamoto

    PHYSICAL REVIEW MATERIALS   5 ( 1 )   2021.1

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    DOI: 10.1103/PhysRevMaterials.5.014801

  • Electron tomography: An imaging method for materials deformation dynamics Reviewed International journal

    S Hata, T Honda, H Saito, M Mitsuhara, TC Petersen, M Murayama

    Current Opinion in Solid State and Materials Science   24 ( 4 )   2020.8

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  • Electron tomography imaging methods with diffraction contrast for materials research Reviewed International journal

    Satoshi Hata, Hiromitsu Furukawa, Takashi Gondo, Daisuke Hirakami, Noritaka Horii, Ken-Ichi Ikeda, Katsumi Kawamoto, Kosuke Kimura, Syo Matsumura, Masatoshi Mitsuhara, Hiroya Miyazaki, Shinsuke Miyazaki, Mitsu Mitsuhiro Murayama, Hideharu Nakashima, Hikaru Saito, Masashi Sakamoto, Shigeto Yamasaki

    Microscopy   69 ( 3 )   141 - 155   2020.6

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  • Enargite Cu3PS4 A Cu–S-Based Thermoelectric Material with a Wurtzite-Derivative Structure Reviewed

    30 ( 22 )   2020.5

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    Compound semiconductors derived from ZnS (zincblende and wurtzite) with tetrahedral framework structures have functions for various applications. Examples of such materials include Cu–S-based materials with zincblende-derivative structures, which have attracted attention as thermoelectric (TE) materials over the past decade. This study illuminates superior TE performance in polycrystalline samples of enargite Cu3P1− xGexS4 with a wurtzite-derivative structure. The substitution of Ge for P dopes holes into the top of the valence band composed of Cu-3d and S-3p, whereby its multiband characteristic leads to a high TE power factor. Furthermore, a reduction in the grain size to 50–300 nm can effectively decrease phonon mean free paths, leading to low thermal conductivity. These features result in a dimensionless TE figure of merit ZT of 0.5 at 673 K for the x = 0.2 sample. Environmentally benign and low-cost characteristics of the constituent elements of Cu3PS4, as well as its high-performance thermoelectricity, make it a promising candidate for large-scale TE applications. Furthermore, this finding extends the development field of Cu–S-based TE materials to those with wurtzite-derivative structures.

    DOI: 10.1002/adfm.202000973

  • Atomic-scale phonon scatterers in thermoelectric colusites with a tetrahedral framework structure Reviewed

    Koichiro Suekuni, Yuta Shimizu, Eiji Nishibori, Hidetaka Kasai, Hikaru Saito, Daichi Yoshimoto, Katsuaki Hashikuni, Yohan Bouyrie, Raju Chetty, Michihiro Ohta, Emmanuel Guilmeau, Toshiro Takabatake, Kosuke Watanabe, Michitaka Ohtaki

    Journal of Materials Chemistry A   7 ( 1 )   228 - 235   2019.1

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    DOI: 10.1039/c8ta08248k

  • Microscopic observation of precipitation behavior at friction stirring zone of super duplex stainless steel Reviewed

    Itto Sugimoto, Seung Hwan C. Park, Satoshi Hirano, Hikaru Saito, Satoshi Hata

    Materials Transactions   60 ( 9 )   2003 - 2007   2019.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/matertrans.M2019069

  • TEM内その場変形トモグラフィー観察システムの開発 Reviewed

    波多 聰, 宮崎 裕也, 斉藤 光, 村山 光宏, 佐藤 和久, 工藤 博幸, 古河 弘光, 川本 克巳, 堀井 則孝, 加茂 勝己, 宮崎 伸介, 權堂 貴志

    54 ( 1 )   44 - 48   2019

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    We have developed a unique methodology and a new hardware/software-integrated system for in-situ straining and electron tomography (ET) experiments. The central software of the system controls a straining-and-tomography specimen holder, imaging devices and the specimen stage of a transmission electron microscope (TEM) in an integrated manner. Using the system, one can perform in-situ time-resolved three-dimensional (3D) studies that explore in real-time and at sub-microscopic levels the internal behavior of materials subjected to external stresses. 3D visualization of a Pb–Sn solder alloy thin foil's deformation dynamics by iterative step-wise stress loading and tilt-series data sets acquisition is introduced as an application of the system.

    DOI: 10.11410/kenbikyo.54.1_44

  • マテリアル系電子線トモグラフィーの実際と動向 Reviewed

    波多 聰, 斉藤 光, 村山 光宏, 佐藤 和久, 工藤 博幸

    まてりあ : 日本金属学会会報   57 ( 12 )   589 - 594   2018

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/materia.57.589

  • Coupling of plasmonic nanopore pairs Facing dipoles attract each other Reviewed

    Takumi Sannomiya, Hikaru Saito, Juliane Junesch, Naoki Yamamoto

    Light: Science and Applications   5 ( 9 )   2016.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/lsa.2016.146

  • Three-dimensional arrangements of perovskite-type oxide nano-fiber webs for effective soot oxidation Reviewed

    Chanmin Lee, Yukwon Jeon, Satoshi Hata, Joo Il Park, Ryutaro Akiyoshi, Hikaru Saito, Yasutake Teraoka, Yong Gun Shul, Hisahiro Einaga

    Applied Catalysis B: Environmental   191   157 - 164   2016.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.apcatb.2016.03.001

  • Electron microscopy analysis of microstructure of postannealed aluminum nitride template Reviewed

    Jesbains Kaur, Noriyuki Kuwano, Khairur Rijal Jamaludin, Masatoshi Mitsuhara, Hikaru Saito, Satoshi Hata, Shuhei Suzuki, Hideto Miyake, Kazumasa Hiramatsu, Hiroyuki Fukuyama

    Applied Physics Express   9 ( 6 )   2016.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.7567/APEX.9.065502

  • Catalytic performances of perovskite oxides for CO oxidation under microwave irradiation Reviewed

    Hisahiro Einaga, Yusaku Nasu, Manabu Oda, Hikaru Saito

    Chemical Engineering Journal   283   97 - 104   2016.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.cej.2015.07.051

  • Formation of a hybrid plasmonic waveguide mode probed by dispersion measurement Reviewed

    H. Saito, H. Kurata

    Journal of Applied Physics   117 ( 13 )   2015.4

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    DOI: 10.1063/1.4916800

  • Codeposition of colloidal platinum particles and iron chloride precursor on TiO2 for efficient catalytic oxidation of CO to CO2 Reviewed

    Hisahiro Einaga, Ryo Shiranita, Hikaru Saito, Satoshi Hata

    Chemistry Letters   44 ( 12 )   1786 - 1788   2015

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/cl.150903

  • Size dependence of band structures in a two-dimensional plasmonic crystal with a square lattice Reviewed

    Naoki Yamamoto, Hikaru Saito

    Optics Express   22 ( 24 )   29761 - 29777   2014.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1364/OE.22.029761

  • Cathodoluminescence of 2D plasmonic crystals with hexagonal lattice

    Hikaru Saito, Naoki Yamamoto

    JSAP-OSA Joint Symposia, JSAP 2014 JSAP-OSA Joint Symposia, JSAP 2014   2014.9

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  • Direct measurement of dispersion relation for surface plasmon-polaritons on silver nanoantennas Reviewed

    Hikaru Saito, Hiroki Kurata

    Microscopy   63 ( 2 )   155 - 159   2014.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/jmicro/dft048

  • HRTEM and HAADF-STEM of precipitates at peak ageing of cast A319 aluminium alloy Reviewed

    Amporn Wiengmoon, John T.H. Pearce, Torranin Chairuangsri, Seiji Isoda, Hikaru Saito, Hiroki Kurata

    Micron   45   32 - 36   2013.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.micron.2012.10.009

  • Photoassisted scanning tunneling microscopy investigation on the ZnO(0001)-Zn surface treated by alkaline solution Reviewed

    Wan Hsien Lin, Hikaru Saito, Takashi Nemoto, Hiroki Kurata, Mitch M.C. Chou, Seiji Isoda, Jih Jen Wu

    Journal of Physical Chemistry C   116 ( 19 )   10664 - 10671   2012.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/jp302045j

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Professional Memberships

  • The Japanese Society of Microscopy

  • The Japan Society of Applied Physics

  • The Physical Sociaty of Japan

Committee Memberships

  • Organizer   Domestic

    2024.4 - Present   

  • Steering committee member   Domestic

    2021.4 - 2023.3   

  • 日本物理学会   領域10運営委員   Domestic

    2021.4 - 2023.3   

Research Projects

  • 励起イベント選択型カソードルミネセンス顕微鏡の開発

    Grant number:23K17350  2023 - 2025

    日本学術振興会  科学研究費助成事業  挑戦的研究(開拓)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • トポロジカルプラズモン導波路によるスピン選択アクティブ光制御

    Grant number:22H01928  2022 - 2024

    日本学術振興会  科学研究費助成事業  基盤研究(B)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • 見えない光のナノ計測

    Grant number:22H05034  2022 - 2024

    日本学術振興会・文部科学省  科学研究費助成事業  学術変革領域研究(B)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • その場試料変形電子顕微鏡法と機械学習による転位の自由飛行の動的観察

    Grant number:20K21093  2020 - 2022

    日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • オンチップ型ピコ秒応答量子ドットLEDを可能とするプラズモン共振器の創製

    Grant number:17K14118  2017 - 2018

    科学研究費助成事業  若手研究(B)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • 風戸研究奨励賞/STEM-CLによるプラズモン共振器中の発光増強機構の解明

    2015

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    Grant type:Donation

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Class subject

  • ナノ構造光学 d

    2024.12 - 2025.2   Winter quarter

  • 材料情報学特論Ⅱ i

    2024.6 - 2024.8   Summer quarter

  • 材料情報学特論Ⅱ i

    2023.6 - 2023.8   Summer quarter

  • 総合理工学修士実験

    2023.4 - 2024.3   Full year

  • 総合理工学修士演習

    2023.4 - 2024.3   Full year

  • 総合理工学修士演習

    2023.4 - 2024.3   Full year

  • ナノ構造光学 d

    2022.12 - 2023.2   Winter quarter

  • 材料情報学特論Ⅱ i

    2022.6 - 2022.8   Summer quarter

  • 総合理工学修士実験

    2022.4 - 2023.3   Full year

  • 総合理工学修士演習

    2022.4 - 2023.3   Full year

  • 材料情報学特論Ⅱ i

    2021.6 - 2021.8   Summer quarter

  • 量子プロセス理工学概論Ⅳ

    2020.10 - 2020.12   Fall quarter

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