PREST, JST   Scientific Innovation for Energy Harvesting Technology   Researcher

2016.10 - 2020.3

Research Institute for Electronic Science, Hokkaido University   Assistant Professor

2013.4 - 2017.3

Tokyo Institute of Technology   Frontier Research Center   Postdoctoral Fellow

2012.4 - 2013.3

Materials Research Society

2010

THE JAPAN SOCIETY OF APPLIED PHYSICS

2009.3

THE CERAMIC SOCIETY OF JAPAN

2007.4

11th International Congress on Ceramics   Symposium organizer  

2024.9   

  日韓国際セラミックスセミナー組織委員会  

2024.6   

American Ceramic Society   ICACC25 SYMPOSIUMU 4 Organizer  

2024.5   

American Ceramic Society   PacRim 16 Session organizer  

2024.3   

応用物理学会   機関誌企画・編集委員  

2023.4 - 2025.3   

日本セラミックス協会電子材料部会   電子材料研究討論会主査  

2023.4 - 2023.11   

日本セラミックス協会   秋季シンポジウム オーガナイザー  

2023   

日本熱電学会   学会誌編集委員  

2022.10   

日本磁気学会   学術講演会シンポジウムオーガナイザー  

2022.9   

日本磁気学会 化合物新磁性材料専門研究会   会計幹事  

2021.3 - 2025.3   

日本セラミックス協会 電子材料部会   幹事  

2019.7   

Large phonon drag thermopower boosted by massive electrons and phonon leaking in LaAlO3/LaNiO3/LaAlO3 heterostructure Reviewed

Masatoshi Kimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Jan M. Tomczak, Makoto Minohara, Ryotaro Aso, Hideto Yoshida, Keisuke Ide, Shigenori Ueda, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya

Nano Letters   21 ( 21 )   9240 - 9246   2021.11

Reversible 3D-2D structural phase transition and giant electronic modulation in non-equilibrium alloy semiconductor, lead-tin-selenide Reviewed

Takayoshi Katase, Yudai Takahashi, Xinyi He, Terumasa Tadano, Keisuke Ide, Hideto Yoshida, Shiro Kawachi, Jun-ichi Yamaura, Masato Sasase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

Science Advances   7 ( 12 )   eabf2725 - eabf2725   2021.3

Double Charge Polarity Switching in Sb‐Doped SnSe with Switchable Substitution Sites Reviewed

Chihiro Yamamoto, Xinyi He, Takayoshi Katase, Keisuke Ide, Yosuke Goto, Yoshikazu Mizuguchi, Akane Samizo, Makoto Minohara, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

Advanced Functional Materials   ( 202008092 )   2008092 - 2008092   2020.12

Reversibly Switchable Electromagnetic Device with Leakage-Free Electrolyte Reviewed

Takayoshi Katase, Yuki Suzuki, Hiromichi Ohta

ADVANCED ELECTRONIC MATERIALS   2 ( 6 )   1600044   2016.6

A transparent electrochromic metal-insulator switching device with three-terminal transistor geometry Reviewed

Takayoshi Katase, Takaki Onozato, Misako Hirono, Taku Mizuno, Hiromichi Ohta

SCIENTIFIC REPORTS   6 ( 25819 )   2016.5

Electric double-layer transistor using layered iron selenide Mott insulator TlFe1.6Se2 Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

Proc. Natl. Acad. Sci. USA   111 ( 11 )   3979 - 3983   2014.3

Advantageous grain boundaries in iron pnictide superconductors Reviewed

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono

NATURE COMMUNICATIONS   2   409   2011.8

Biaxially textured cobalt-doped BaFe2As2 films with high critical current density over 1 MA/cm(2) on MgO-buffered metal-tape flexible substrates Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Vladimir Matias, Chris Sheehan, Yoshihiro Ishimaru, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono

APPLIED PHYSICS LETTERS   98 ( 24 )   242510   2011.6

d0 Cation-Based Spinel-Type Sulfide Semiconductors with Color-Tunable Direct-Gap and Ambipolar Dopability

Kota Hanzawa, Takayuki Nagai, Ryoga Nagasawa, Takayoshi Katase, Hideo Hosono, Hidenori Hiramatsu

Journal of the American Chemical Society   2025.9

High Power Factor with Compositional and Temperature Stabilities in (CaxSr1–x)Si2 Thin Films near Room Temperature

Kodai Aoyama, Takao Shimizu, Takayoshi Katase, Yoshisato Kimura, Hiroshi Funakubo

ACS Applied Energy Materials   2025.8

Strong Phonon Scattering and Enhanced Thermoelectric Performance in SrTiO3 Polycrystals by Simultaneous Hydrogen Substitution and Oxygen Vacancy Formation

Xinyi He, Takehito Komatsu, Takayoshi Katase, Terumasa Tadano, Takashi Honda, Masayoshi Miyazaki, Masaaki Kitano, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Energy Materials   2025.7

Nanoscale Origin of Strong Charge Carrier Scattering at Grain Boundaries in Orthorhombic SnSe Semiconductor Thin Films

Xinyi He, Kenji Matsuo, Takayoshi Katase, Kota Hanzawa, Hideto Yoshida, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Nano Materials   2025.4

Phase Diagram and Growth Mechanism of Rutile-Type GeO2 Epitaxial Film on c-Plane Sapphire Substrate

Tomoya Suzuki, Kaname Sakaban, Takayoshi Katase, Hideto Yoshida, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Nano Materials   2025.4

Thermoelectric performance enhancement of environmentally‐friendly SrTiO3 epitaxial films by hydrogen substitution

Masatoshi Kimura, Masahiro Ochiai, Xinyi He, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

EcoEnergy   2024.12

Enhancement of n-type electronic conductivity in bismuth iron borate glasses by fluorine addition

Kazuki Mitsui, Riko Matsumoto, Masami Mori, Zhongxu Hu, Takayoshi Katase, Hidenori Hiramatsu, Akira Saitoh

Journal of Applied Physics   2024.12

Nonequilibrium Layered PbS Stabilized by Sn Doping: Bipolar Semiconductors with Low Thermal Conductivity

Mari Hiramatsu, Zhongxu Hu, Sakura Yoshikawa, Zan Yang, Xinyi He, Takayoshi Katase, Jun-ichi Yamaura, Hajime Sagayama, Terumasa Tadano, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Electronic Materials   2024.11

Stabilization and high thermoelectric performance of high-entropy-type cubic AgBi(S, Se, Te)2

Asato Seshita, Aichi Yamashita, Takeshi Fujita, Takayoshi Katase, Akira Miura, Yuki Nakahira, Chikako Moriyoshi, Yoshihiro Kuroiwa, Yoshikazu Mizuguchi

Journal of Alloys and Compounds   1004   175679 - 175679   2024.11

Simultaneous Realization of Single-Crystal-Like Electron Transport and Strong Phonon Scattering in Polycrystalline SrTiO3–xHx

Takayoshi Katase, Seiya Nomoto, Xinyi He, Suguru Kitani, Takashi Honda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Electronic Materials   2024.10

Room‐Temperature Possible Current‐Induced Transition in Ca₂RuO₄ Thin Films Grown Through Intercalation‐Like Cation Diffusion in the A₂BO₄ Ruddlesden–Popper Structure

Atsushi Fukuchi, Takayoshi Katase, Toshio Kamiya

Small Methods   2024.9

Symmetry change in LaNiO3 films caused by epitaxial strain from LaAlO3, SrTiO3, and DyScO3 pseudocubic (001) surfaces

Fumiya Izumisawa, Yuta Ishii, Masatoshi Kimura, Takayoshi Katase, Toshio Kamiya, Jun-ichi Yamaura, Yusuke Wakabayashi

Journal of Applied Physics   2024.8

High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films

Nana Sun, Kazuki Okamoto, Shinnosuke Yasuoka, Soshun Doko, Naoko Matsui, Toshikazu Irisawa, Koji Tsunekawa, Takayoshi Katase, Tomoyuki Koganezawa, Tomotaka Nakatani, Rosantha Kumara, Osami Sakata, Hiroshi Funakubo

Applied Physics Letters   2024.7

Wide-Gap p-Type Layered Oxychalcogenides AE2CuInO3Ch (AE: Alkaline Earth; Ch: Chalcogen): Unusually Low Residual Carrier Concentration and Green-to-Red Emission Reviewed

Xinyi He, Tatsuya Cho, Takayoshi Katase, Kota Hanzawa, Suguru Kitani, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

Chemistry of Materials   2024.6

Phonon drag thermopower persisting over 200 K in FeSb2 thin film on SrTiO3 single crystal

Chihiro Yamamoto, Xinyi He, Kota Hanzawa, Takayoshi Katase, Masato Sasase, Jun-ichi Yamaura, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

Applied Physics Letters   2024.5

Hydrogen-included plasma-assisted reactive sputtering for conductivity control of ultra-wide bandgap amorphous gallium oxide

Kosuke TAKENAKA, Hibiki Komatsu, Taichi Sagano, Keisuke Ide, Susumu Toko, Takayoshi KATASE, Toshio Kamiya, Yuichi Setsuhara

Japanese Journal of Applied Physics   2024.3

Significant effects of epitaxial strain on the nonlinear transport properties in Ca2RuO4 thin films with the current-driven transition

Keiji Tsubaki, Masashi Arita, Takayoshi Katase, Toshio Kamiya, Atsushi Tsurumaki-Fukuchi, Yasuo Takahashi

Japanese Journal of Applied Physics   2024.1

Carrier generation and compensation mechanism in La₂SnO₂S₃

Teruya Nagafuji, Koshiro Osuna, Kota Hanzawa, Tomoya Gake, Soungmin Bae, Zhongxu Hu, Takayoshi Katase, Akira Takahashi, Hidenori Hiramatsu, Fumiyasu Oba

Journal of Materials Chemistry C   2024

High entropy effect on thermoelectric properties of the nonequilibrium cubic phase of AgBiSe_2−2xS_xTe_x with x = 0–0.6

Asato Seshita, Aichi Yamashita, Takayoshi Katase, Yoshikazu Mizuguchi

Dalton Transactions   53 ( 35 )   14830 - 14838   2024

Superconductivity in In-doped AgPbBiTe<inf>3</inf> compounds synthesized by high-pressure synthesis

Takahiro Sawahara, Hiroto Arima, Takayoshi Katase, Aichi Yamashita, Ryuji Higashinaka, Yoshikazu Mizuguchi

Physica C: Superconductivity and its Applications   612   2023.9

Effect of iron substitution on electronic conductivity of bismuth sesquioxide glasses

Kazuki Mitsui, Zhongxu Hu, Kota Hanzawa, Takayoshi Katase, Hidenori Hiramatsu, Akira Saitoh

Journal of Applied Physics   2023.8

Buffer-free epitaxial growth of ZnO(0001) thin films at room temperature by tetramethylammonium hydroxide pretreatment of α-Al&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;(0001) substrates

Kenta Kaneko, Tomoaki Oga, Satoru Kaneko, Takayoshi Katase, Mamoru Yoshimoto, Akifumi Matsuda

Journal of the Ceramic Society of Japan   131 ( 8 )   383 - 388   2023.8

Enhanced Thermoelectric Properties of SrSi2 Composite Films with Cubic and Layered Polymorphs

Kodai Aoyama, Takao Shimizu, Hideto Kuramochi, Masami Mesuda, Ryo Akiike, Takayoshi Katase, Yoshisato Kimura, Hiroshi Funakubo

ACS Applied Energy Materials   2023.6

Dynamics of an Electrically Driven Phase Transition in Ca₂RuO₄ Thin Films: Nonequilibrium High‐Speed Resistive Switching in the Absence of an Abrupt Thermal Transition

Keiji Tsubaki, Atsushi Tsurumaki‐Fukuchi, Takayoshi Katase, Toshio Kamiya, Masashi Arita, Yasuo Takahashi

Advanced Electronic Materials   2023.4

Reversible Thermal Conductivity Modulation of Non-equilibrium (Sn1–xPbx)S by 2D–3D Structural Phase Transition above Room Temperature

Zhongxu Hu, Mari Hiramatsu, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

ACS Applied Energy Materials   2023.3

Direct Imaging of Ion Migration in Amorphous Oxide Electronic Synapses with Intrinsic Analog Switching Characteristics

Atsushi Tsurumaki-Fukuchi, Takayoshi Katase, Hiromichi Ohta, Masashi Arita, Yasuo Takahashi

ACS Applied Materials &amp; Interfaces   15 ( 13 )   16842 - 16852   2023.3

Efficient electrocatalytic H2O2 evolution utilizing electron-conducting molecular wires spatially separated by rotaxane encapsulation

Sheng-Ying Chou, Hiroshi Masai, Masaya Otani, Hiromichi V. Miyagishi, Gentaro Sakamoto, Yusuke Yamada, Yusuke Kinoshita, Hitoshi Tamiaki, Takayoshi Katase, Hiromichi Ohta, Tomoki Kondo, Akinobu Nakada, Ryu Abe, Takahisa Tanaka, Ken Uchida, Jun Terao

Applied Catalysis B: Environmental   122373 - 122373   2023.1

High-critical temperature iron-based superconductor epitaxial films for expanding the potential applications

Takayoshi Katase

Superconductor Science and Technology   2022.12

Low-temperature-processable amorphous-oxide-semiconductor-based phosphors for durable light-emitting diodes Reviewed

Keisuke Ide, Naoto Watanabe, Takayoshi Katase, Masato Sasase, Junghwan Kim, Shigenori Ueda, Koji Horiba, Hiroshi Kumigashira, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

Applied Physics Letters   121 ( 19 )   2022.11

Unique Conduction Band Minimum of Semiconductors Possessing a Zincblende-Type Framework

Hiroshi Mizoguchi, Sang-Won Park, Takayoshi Katase, Jiahao Yu, Junjie Wang, Hideo Hosono

Inorganic Chemistry   2022.6

Elastic and Inelastic Spin Transport in SrTiO3-based Magnetic Heterostructure Reviewed

Nozomi Soya, Takayoshi Katase, Kazuya Ando

ADVANCED ELECTRONIC MATERIALS   202200232   2022.5

Repeatable Photoinduced Insulator-to-Metal Transition in Yttrium Oxyhydride Epitaxial Thin Films

Yuya Komatsu, Ryota Shimizu, Ryuhei Sato, Markus Wilde, Kazunori Nishio, Takayoshi Katase, Daiju Matsumura, Hiroyuki Saitoh, Masahiro Miyauchi, Jonah R. Adelman, Ryan M. L. McFadden, Derek Fujimoto, John O. Ticknor, Monika Stachura, Iain McKenzie, Gerald D. Morris, W. Andrew MacFarlane, Jun Sugiyama, Katsuyuki Fukutani, Shinji Tsuneyuki, Taro Hitosugi

Chemistry of Materials   34 ( 8 )   3616 - 3623   2022.4

High-Mobility Metastable Rock-Salt Type (Sn,Ca)Se Thin Film Stabilized by Direct Epitaxial Growth on a YSZ (111) Single-Crystal Substrate Reviewed

Xinyi He, Jinshuai Chen, Takayoshi Katase, Makoto Minohara, Keisuke Ide, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya

ACS Appl. Mater. Interfaces   14 ( 16 )   18682 - 18689   2022.4

Photoinduced transient states of antiferromagnetic orderings in La1/3Sr2/3FeO3 and SrFeO3−δ thin films observed through time-resolved resonant soft x-ray scattering Reviewed

Kohei Yamamoto, Tomoyuki Tsuyama, Suguru Ito, Kou Takubo, Iwao Matsuda, Niko Pontius, Christian Schüßler-Langeheine, Makoto Minohara, Hiroshi Kumigashira, Yuichi Yamasaki, Hironori Nakao, Youichi Murakami, Takayoshi Katase, Toshio Kamiya, Hiroki Wadati

New Journal of Physics   24 ( 4 )   043012   2022.4

Low Residual Carrier Density and High In-Grain Mobility in Polycrystalline Zn3N2 Films on a Glass Substrate Reviewed

Kaiwen Li, Atsushi Shimizu, Xinyi He, Keisuke Ide, Kota Hanzawa, Kosuke Matsuzaki, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Qun Zhang, Toshio Kamiya

ACS Appl. Electron. Mater.   4 ( 4 )   2026 - 2031   2022.4

Design, Synthesis, and Optoelectronic Properties of the High-Purity Phase in Layered AETMN2 (AE = Sr, Ba; TM = Ti, Zr, Hf) Semiconductors Reviewed

Akihiro Shiraishi, Shigeru Kimura, Xinyi He, Naoto Watanabe, Takayoshi Katase, Keisuke Ide, Makoto Minohara, Kosuke Matsuzaki, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya

Inorg. Chem.   61 ( 17 )   6650 - 6659   2022.4

Effect of intentional chemical doping on crystallographic and electric properties of the pyrochlore Bi2Sn2O7 Reviewed

Makoto Minohara, Naoto Kikuchi, Kouhei Tsukuda, Yuka Dobashi, Akane Samizo, Keishi Nishio, Xinyi He, Takayoshi Katase, Toshio Kamiya, Yoshihiro Aiura

Materials & Design   216   110549   2022.3

Tuning of Hole Carrier Density in p-type α-SnWO4 by Exploiting Oxygen Defects

Makoto Minohara, Makoto Minohara, Yuka Dobashi, Naoto Kikuchi, Akane Samizo, Takashi Honda, Xinyi He, Takayoshi Katase, Toshio Kamiya, Keishi Nishio, Yoshihiro Aiura

Materials Advances   3 ( 24 )   9111 - 9116   2022

Superconductivity in In-doped AgSnBiTe3 with possible band inversion Reviewed

Tsubasa Mitobe, Kazuhisa Hoshi, Md. Riad Kasem, Ryosuke Kiyama, Hidetomo Usui, Aichi Yamashita, Ryuji Higashinaka, Tatsuma D. Matsuda, Yuji Aoki, Takayoshi Katase, Yosuke Goto, Yoshikazu Mizuguchi

Scientific Reports   11   22885   2021.11

(Invited) Nanoscale Probing of Field-Driven Ion Migration in TaOx for Neuromorphic Memristor Applications

Atsushi Tsurumaki-Fukuchi, Takayoshi Katase, Hiromichi Ohta, Masashi Arita, Yasuo Takahashi

ECS Transactions   104 ( 4 )   93 - 101   2021.10

Ion substitution effect on defect formation in two-dimensional transition metal nitrides semiconductor, AETiN2 (AE = Ca, Sr, Ba) Reviewed

Xinyi He, Takayoshi Katase, Keisuke Ide, Hideo Hosono, Toshio Kamiya

Inorg. Chem.   60 ( 14 )   10227 - 10234   2021.7

Publisher's Note: “Hard x-ray photoemission study on strain effect in LaNiO3 thin films” [Appl. Phys Lett. 118, 161601 (2021)]

K. Yamagami, K. Ikeda, A. Hariki, Y. Zhang, A. Yasui, Y. Takagi, Y. Hotta, T. Katase, T. Kamiya, H. Wadati

Applied Physics Letters   2021.6

Hard x-ray photoemission study on strain effect in LaNiO3 thin films Reviewed

Kohei Yamagami, Keisuke Ikeda, Atushi Hariki, Yujun Zhang, Akira Yasui, Yasumasa Takagi, Takayoshi Katase, Toshio Kamiya, Hiroki Wadati

Appl. Phys. Lett.   118 ( 16 )   161601 - 161601   2021.4

2D-3D structural phase transition and giant electronic property modulation of non-equilibrium (Pb_1-xSn_x)Se thin films

Takahashi Yudai, Katase Takayoshi, He Xinyi, Tadano Terumasa, Ide Keisuke, Yoshida Hideto, Kawachi Shiro, Yamaura Junichi, Sasase Masato, Hiramatsu Hidenori, Hosono Hideo, Kamiya Toshio

JSAP Annual Meetings Extended Abstracts   2021.1   1300 - 1300   2021.2

Origin of metallic nature of Na3N Reviewed

Hiroshi Mizoguchi, Sang-Won Park, Takayoshi Katase, Grigori V. Vajenine, Joonho Bang, Junghwan Kim, Hideo Hosono

J. Am. Chem. Soc.   143 ( 1 )   69 - 72   2020.12

Substrate-independent energy-level pinning of an organic semiconductor provides versatile hole-injection electrodes Reviewed

Tianshu Zhai, Rongbin Wang, Takayoshi Katase, Frances Quigley, Hiromichi Ohta, Patrick Amsalem, Norbert Koch, Steffen Duhm

ACS Appl. Electron. Mater.   2 ( 12 )   3994 - 4001   2020.12

Shallow valence band of rutile GeO2 and p-type doping

Christian A. Niedermeier, Keisuke Ide, Takayoshi Katase, Hideo Hosono, Toshio Kamiya

J. Phys. Chem. C   124 ( 47 )   25721 - 25728   2020.11

Coexistence of magnetism and superconductivity in thin film of the Fe-based superconductor Ba1-xLaxFe2As2 Reviewed

Yildirhan Oner, Cihat Boyraz, Hidenori Hiramatsu, Takayoshi Katase, Hideo Hosono

J. Phys.: Condens. Mater   32   485804   2020.9

p-Type Transparent Quadruple Perovskite Chloride Conductors: Fact or Fiction? Reviewed

Sanlue Hu, Bing Xia, Yang-Peng Lin, Takayoshi Katase, Jun Fujioka, Toshio Kamiya, Hideo Hosono, Ke-Zhao Du, Zewen Xiao

1909906   2020.6

Stable and Tunable Current-Induced Phase Transition in Epitaxial Thin Films of Ca2RuO4 Reviewed

Atsushi Tsurumaki-Fukuchi, Keiji Tsubaki, Takayoshi Katase, Toshio Kamiya, Masashi Arita, Yasuo Takahashi

ACS Applied Materials & Interfaces   2020.5

Phonon scattering limited mobility in the representative cubic perovskite semiconductors SrGeO3 , BaSnO3 , and SrTiO3 Reviewed

Christian A. Niedermeier, Yu Kumagai, Keisuke Ide, Takayoshi Katase, Fumiyasu Oba, Hideo Hosono, Toshio Kamiya

Physical Review B   101 ( 12 )   125206   2020.3

Large power-factor enhancement by breaking thermoelectric trade-off relation in transition metal oxide, LaNiO₃

Higuchi Yuhi, Katase Takayoshi, Terumasa Tadano, Jun Fujioka, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

JSAP Annual Meetings Extended Abstracts   2020.1   3583 - 3583   2020.2

Arbitrary control of the diffusion potential between a plasmonic metal and a semiconductor by an angstrom-thick interface dipole layer Reviewed

Tomoya Oshikiri, Hiroki Sawayanagi, Keisuke Nakamura, Kosei Ueno, Takayoshi Katase, Hiromichi Ohta, Hiroaki Misawa

J. Chem. Phys.   152   934705   2020.1

Thermoelectric (BaxSr1–x)Si2 films prepared by sputtering method over the barium solubility limit Reviewed

K. Aoyama, T. Shimizu, H. Kuramochi, M. Mesuda, R. Akiike, K. Ide, T. Katase, T. Kamiya, Y. Kimura, H. Funakubo

Japanese Journal of Applied Physics   59   SFFB02   2020.1

Fabrication and characterization of (CaxSr1-x)Si2 films prepared by co-sputtering method Reviewed

K. Aoyama, T. Shimizu, H. Kuramochi, M. Mesuda, R. Akiike, K. Ide, T. Katase, T. Kamiya, Y. Kimura, H. Funakubo

MRS Advances   5 ( 10 )   451 - 458   2020.1

Surface charge accumulation and electrochemical protonation of transition metal oxides using water-infiltrated nanoporous glass Invited Reviewed

Takayoshi Katase, Hiromichi Ohta

Semiconductor Science and Technology   34   123001   2019.11

Superconductivity at 48 K of heavily hydrogen-doped SmFeAsO epitaxial films grown by topotactic chemical reaction using Ca H2 Reviewed

Jumpei Matsumoto, Kota Hanzawa, Masato Sasase, Silvia Haindl, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono

Physical Review Materials   3 ( 10 )   103401   2019.10

New crystal structure built from a GeO6-GeO5 polyhedra network with high thermal stability: b-SrGe2O5 Reviewed

Christian A. Niedermeier, Junichi Yamaura, Jiazhen Wu, Xinyi He, Takayoshi Katase, Hideo Hosono, Toshio Kamiya

ACS Appl. Electron. Mater.   1 ( 10 )   1989 - 1993   2019.9

Symmetric Ambipolar Thin-Film Transistors and High-Gain CMOS-like Inverters Using Environmentally Friendly Copper Nitride Reviewed

Kosuke Matsuzaki, Takayoshi Katase, Toshio Kamiya, Hideo Hosono

ACS Appl. Mater. Interfaces   11 ( 38 )   35132 - 35137   2019.8

Intrinsic and Extrinsic Defects in Layered Nitride Semiconductor, SrTiN2 Reviewed

X. He, Z. Xiao, T. Katase, K. Ide, H. Hosono, T. Kamiya

The Journal of Physical Chemistry C   123 ( 32 )   35132 - 35137   2019.7

New Amorphous In-Ga-Zn-O Thin-Film Transistor-Based Optical Pixel Sensor for Optical Input Signal with Short Wavelength Reviewed

Chia-En Wu, Keisuke Ide, Takayoshi Katase, Hidenori Hiramastu, Hideo Hosono, Chih-Lung Lin, Toshio Kamiya

IEEE Transactions on Electron Devices   66   3841 - 3846   2019.7

Multiple Color Inorganic Thin-Film Phosphor, RE-Doped Amorphous Gallium Oxide (RE = Rare Earth: Pr, Sm, Tb, and Dy), Deposited at Room Temperature

Naoto Watanabe, Keisuke Ide, Junghwan Kim, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   216 ( 5 )   2019.3

Effects of Base Pressure on Growth and Optoelectronic Properties of Amorphous In-Ga-Zn-O: Ultralow Optimum Oxygen Supply and Bandgap Widening

Keisuke Ide, Kyohei Ishikawa, Haochun Tang, Takayoshi Katase, Hidenori Hiramatsu, Hideya Kumomi, Hideo Hosono, Toshio Kamiya

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   216 ( 5 )   2019.3

Oxide-based optical, electrical, and magnetic properties switching devices with water-incorporated gate insulator Invited Reviewed

Takayoshi Katase, Hiromichi Ohta

Selected Topics in Applied Physics, Japan Journal of applied physics   58   090501   2019

Transition metal-doped amorphous oxide semiconductor thin-film phosphor, chromium-doped amorphous gallium oxide Reviewed

Keisuke Ide, Yuki Futakado, Naoto Watanabe, Junghwan Kim, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

physica status solidi (a)   1800198   2018.8

Plasmon-assisted polarity switching of a photoelectric conversion device by UV and visible light irradiation Reviewed

Keisuke Nakamura, Tomoya Oshikiri, Kosei Ueno, Takayoshi Katase, Hiromichi Ohta, Hiroaki Misawa

J. Phys. Chem. C   122   14064 - 14071   2018.4

Stoichiometric and Oxygen-Deficient VO2 as Versatile Hole Injection Electrode for Organic Semiconductors Reviewed

Keke Fu, Rongbin Wang, Takayoshi Katase, Hiromichi Ohta, Norbert Koch, Steffen Duhm

ACS Applied Materials and Interfaces   10 ( 12 )   10552 - 10559   2018.3

Effects of impurity hydrogen in amorphous In-Ga-Zn-O: ultralow optimum oxygen supply for ultrahigh vacuum sputtering and bandgap widening by impurity hydrogen Reviewed

Keisuke Ide, Kyohei Ishikawa, Haochun Tang, Takayoshi Katase, Hidenori Hiramatsu, Hideya Kumomi, Hideo Hosono, Toshio Kamiya

physica status solidi (a)   8   1700832   2018.2

Multi-color light-emitting thin films based on ultra-wide bandgap amorphous oxide semiconductor deposited at room temperature on glass Reviewed

Naoto Watanabe, Keisuke Ide, Junghwan Kim, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya

physica status solidi (a)   8   1700833   2018.1

Directing Oxygen Vacancy Channels in SrFeO2.5 Epitaxial Thin Films Reviewed

Amit Khare, Jaekwang Lee, Jaeseoung Park, Gi-Yeop Kim, Si-Young Choi, Takayoshi Katase, Seulki Roh, Tae Sup Yoo, Jungseek Hwang, Hiromichi Ohta, Junwoo Son, Woo Seok Choi

ACS Applied Materials and Interfaces   10 ( 5 )   4831 - 4837   2018

Superconductivity in La1-xCexOBiSSe: Carrier doping by mixed valence of Ce ions Reviewed

Ryota Sogabe, Yosuke Goto, Atsuhiro Nishida, Takayoshi Katase, Yoshikazu Mizuguchi

Euro. Phys. Lett.   122   17004   2018

Oxygen vacancies allow tuning the work function of vanadium dioxide Reviewed

Rongbin Wang, Takayoshi Katase, Ke-Ke Fu, Tianshu Zhai, Jiacheng Yang, Qiankun Wang, Hiromichi Ohta, Norbert Koch, Steffen Duhm

Adv. Mater. Interfaces   5   1801033   2018

Highly conducting leakage-free electrolyte for SrCoOx-based non-volatile memory device Reviewed

Takayoshi Katase, Yuki Suzuki, Hiromichi Ohta

JOURNAL OF APPLIED PHYSICS   122 ( 13 )   135303   2017.10

Structure determination in thin film Ba1-xLaxFe2As2: Relation between the FeAs4 geometry and superconductivity Reviewed

Kensuke Kobayashi, Akiko Nakao, Sachiko Maki, Jun-ichi Yamaura, Takayoshi Katase, Hikaru Sato, Hajime Sagayama, Reiji Kumai, Yoshio Kuramoto, Youichi Murakami, Hidenori Hiramatsu, Hideo Hosono

PHYSICAL REVIEW B   96 ( 12 )   125116   2017.9

Infrared-transmittance tunable metal-insulator conversion device with thin-film-transistor-type structure on a glass substrate Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

APL MATERIALS   5 ( 5 )   056105   2017.5

Reactive Solid-Phase Epitaxy and Electrical Conductivity of Layered Sodium Manganese Oxide Films Reviewed

Shota Katayama, Takayoshi Katase, Tetsuya Tohei, Bin Feng, Yuichi Ikuhara, Hiromichi Ohta

CRYSTAL GROWTH & DESIGN   17 ( 4 )   1849 - 1853   2017.4

Thickness Dependence of Current-Induced Effective Magnetic Field in La_0.67Sr_0.33MnO₃/SrTiO₃ heterostructure

Oyamada Tatsuro, Katase Takayoshi, Ohta Hiromichi, Yamanouchi Michihiko

JSAP Annual Meetings Extended Abstracts   2017.1   2047 - 2047   2017.3

Transition-metal-oxide based functional thin-film device using leakage-free electrolyte Invited Reviewed

Takayoshi Katase, Hiromichi Ohta

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   125 ( 8 )   608 - 615   2017

Infrared-transmittance tunable metal-insulator switching device on a glass substrate Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

APL Materials   5 ( 056105 )   2017

Solid-liquid phase epitaxial growth of Li4Ti5O12 thin film Reviewed

Ning Li, Takayoshi Katase, Yanbei Zhu, Takao Matsumoto, Tomonari Umemura, Yuichi Ikuhara, Hiromichi Ohta

APPLIED PHYSICS EXPRESS   9 ( 12 )   125501   2016.12

Current-induced effects on switching magnetic field in La_0.67Sr_0.33MnO₃/SrTiO₃

Yamanouchi Michihiko, Oyamada Tatsuro, Katase Takayoshi, Ohta Hiromichi

JSAP Annual Meetings Extended Abstracts   2016.2   1933 - 1933   2016.9

Optoelectronic properties of valence-state-controlled amorphous niobium oxide Reviewed

Takaki Onozato, Takayoshi Katase, Akira Yamamoto, Shota Katayama, Koichi Matsushima, Naho Itagaki, Hisao Yoshida, Hiromichi Ohta

JOURNAL OF PHYSICS-CONDENSED MATTER   28 ( 25 )   25501   2016.6

Electrolysis-induced protonation of VO2 thin film transistor for the metal-insulator phase modulation Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

OXIDE-BASED MATERIALS AND DEVICES VII   9749   974916   2016

Solid-Phase Epitaxial Growth of A-Site-Ordered Perovskite Sr4-xErxCo4O12-delta: A Room Temperature Ferrimagnetic p-Type Semiconductor Reviewed

Takayoshi Katase, Hidefumi Takahashi, Tetsuya Tohei, Yuki Suzuki, Michihiko Yamanouchi, Yuichi Ikuhara, Ichiro Terasaki, Hiromichi Ohta

ADVANCED ELECTRONIC MATERIALS   1 ( 12 )   1500199   2015.12

Room-Temperature-Protonation-Driven On-Demand Metal-Insulator Conversion of a Transition Metal Oxide Reviewed

Takayoshi Katase, Kenji Endo, Tetsuya Tohei, Yuichi Ikuhara, Hiromichi Ohta

ADVANCED ELECTRONIC MATERIALS   1 ( 7 )   1500063   2015.7

Thermopower analysis of metal-insulator transition temperature modulations in vanadium dioxide thin films with lattice distortion Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

PHYSICAL REVIEW B   92 ( 3 )   035302   2015.7

Characterization of electronic structure around metal-insulator transition in V1-x WxO2 thin films by thermopower measurement Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   123 ( 1437 )   307 - 311   2015.5

Thermopower analysis of the electronic structure around the metal-insulator transition in V1-xWxO2 Reviewed

Takayoshi Katase, Kenji Endo, Hiromichi Ohta

PHYSICAL REVIEW B   90 ( 16 )   1 - 5   2014.10

Critical factor for epitaxial growth of cobalt-doped BaFe2As2 films by pulsed laser deposition Reviewed

Hidenori Hiramatsu, Hikaru Sato, Takayoshi Katase, Toshio Kamiya, Hideo Hosono

APPLIED PHYSICS LETTERS   104 ( 17 )   72602   2014.4

Unusual pressure effects on the superconductivity of indirectly electron-doped (Ba1-xLax)Fe2As2 epitaxial films Reviewed

Takayoshi Katase, Hikaru Sato, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

Physical Review B - Condensed Matter and Materials Physics   88 ( 14 )   503   2013.10

Magnetic scattering and electron pair breaking by rare-earth-ion substitution in BaFe2As2 epitaxial films Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

NEW JOURNAL OF PHYSICS   15   073019   2013.7

Ultralow-dissipative conductivity by dirac fermions in BaFe 2As2 Reviewed

Yoshinori Imai, Fuyuki Nabeshima, Daisuke Nakamura, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Atsutaka Maeda

Journal of the Physical Society of Japan   82 ( 4 )   043709   2013.4

Anomalous scaling behavior in a mixed-state Hall effect of a cobalt-doped BaFe2As2 epitaxial film with a high critical current density over 1 MA/cm(2) Reviewed

Hikaru Sato, Takayoshi Katase, Won Nam Kang, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

PHYSICAL REVIEW B   87 ( 6 )   064504   2013.2

Superconducting properties and phase diagram of indirectly electron-doped (Sr1?xLax)Fe2As2 epitaxial films grown by pulsed laser deposition Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Hideo Hosono

IEEE Transactions on Applied Superconductivity   23 ( 3 )   7300405   2013

Competition and cooperation of pinning by extrinsic point-like defects and intrinsic strong columnar defects in BaFe2As2 thin films Reviewed

B. Maiorov, T. Katase, I. O. Usov, M. Weigand, L. Civale, H. Hiramatsu, H. Hosono

PHYSICAL REVIEW B   86 ( 9 )   094513   2012.9

Thin film growth by pulsed laser deposition and properties of 122-type iron-based superconductor AE(Fe1-xCox)(2)As-2 (AE = alkaline earth) Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

SUPERCONDUCTOR SCIENCE & TECHNOLOGY   25 ( 8 )   084015   2012.8

Microstructure and transport properties of [001]-tilt bicrystal grain boundaries in iron pnictide superconductor, cobalt-doped BaFe2As2 Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Toshio Karniya, Keiichi Tanabe, Hideo Hosono

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS   177 ( 7 )   515 - 519   2012.4

Identical effects of indirect and direct electron doping of superconducting BaFe2As2 thin films Reviewed

Takayoshi Katase, Soshi Iimura, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

PHYSICAL REVIEW B   85 ( 14 )   140516   2012.4

Thin Film Growth and Device Fabrication of Iron-Based Superconductors Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Hideo Hosono

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   81 ( 1 )   2012.1

H. Hiramatsu, T. Katase, T. Kamiya, and H. Hosono Reviewed

Thin film growth, device fabrication of iron-based superconductors

J. Phys. Soc. Jpn.   81   011011   2012

Terahertz conductivity measurement of FeSe0.5Te0.5 and Co-doped BaFe2As2 thin films Reviewed

D. Nakamura, T. Akiike, H. Takahashi, F. Nabeshima, Y. Imai, A. Maeda, T. Katase, H. Hiramatsu, H. Hosono, S. Komiya, I. Tsukada

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   471 ( 21-22 )   634 - 638   2011.11

Characterization of epitaxial Co-doped BaFe2As2 thin films Reviewed

S. Mohan, T. Taen, H. Yagyuda, Y. Nakajima, T. Tamegai, T. Katase, H. Hiramatsu, H. Hosono

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   471 ( 21-22 )   1181 - 1184   2011.11

Liquid vortex phase and strong c-axis pinning in low anisotropy BaCoxFe2-xAs2 pnictide films Reviewed

B. Maiorov, T. Katase, S. A. Baily, H. Hiramatsu, T. G. Holesinger, H. Hosono, L. Civale

SUPERCONDUCTOR SCIENCE & TECHNOLOGY   24 ( 5 )   055007   2011.5

Impurities in FeAs-based superconductor, SrFe2As2, studied by first-principles calculations Reviewed

Toshio Kamiya, Hidenori Hiramatsu, Takayoshi Katase, Masahiro Hirano, Hideo Hosono

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS   173 ( 1-3 )   244 - 247   2010.10

Transport and magnetic properties of Co-doped BaFe2As2 epitaxial thin films grown on MgO substrate Reviewed

Shyam Mohan, Toshihiro Taen, Hidenori Yagyuda, Yasuyuki Nakajima, Tsuyoshi Tamegai, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono

SUPERCONDUCTOR SCIENCE & TECHNOLOGY   23 ( 10 )   105016   2010.10

DC superconducting quantum interference devices fabricated using bicrystal grain boundary junctions in Co-doped BaFe2As2 epitaxial films Reviewed

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono

SUPERCONDUCTOR SCIENCE & TECHNOLOGY   23 ( 8 )   082001   2010.8

High critical current density 4 MA/cm2 in Co-doped BaFe 2As2 epitaxial films grown on (La,Sr)(Al,Ta)O3 substrates without buffer layers Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, Hideo Hosono

Applied Physics Express   3 ( 6 )   063101   2010.6

Josephson junction in cobalt-doped BaFe2As2 epitaxial thin films on (La,Sr)(Al,Ta)O-3 bicrystal substrates Reviewed

Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, Hideo Hosono

APPLIED PHYSICS LETTERS   96 ( 14 )   142507   2010.4

Fabrication of GaN epitaxial thin film on InGaZnO4 single-crystalline buffer layer Reviewed

Tomomasa Shinozaki, Kenji Nomura, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

THIN SOLID FILMS   518 ( 11 )   2996 - 2999   2010.3

Fabrication of Atomically Flat ScAlMgO4 Epitaxial Buffer Layer and Low-Temperature Growth of High-Mobility ZnO Films Reviewed

Takayoshi Katase, Kenji Nomura, Hiromichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

CRYSTAL GROWTH & DESIGN   10 ( 3 )   1084 - 1089   2010.3

Atomically-flat, chemically-stable, superconducting epitaxial thin film of iron-based superconductor, cobalt-doped BaFe2As2 Reviewed

Takayoshi Katase, Hidenori Hiramatsu, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

SOLID STATE COMMUNICATIONS   149 ( 47-48 )   2121 - 2124   2009.12

Fabrication of Flat MgO(111) Films on Al2O3(0001) Substrates by Pulsed Laser Deposition Reviewed

Tomofumi Susaki, Sho Kumada, Takayoshi Katase, Kosuke Matsuzaki, Masashi Miyakawa, Hideo Hosono

APPLIED PHYSICS EXPRESS   2 ( 9 )   091403   2009.9

Water-induced superconductivity in SrFe2As2 Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

PHYSICAL REVIEW B   80 ( 5 )   052501   2009.8

Large domain growth of GaN epitaxial films on lattice-matched buffer layer ScAlMgO4 Reviewed

Takayoshi Katase, Kenji Nomura, Hiromichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS   161 ( 1-3 )   66 - 70   2009.4

Superconductivity in Epitaxial Thin Films of Co-Doped SrFe2As2 with Bilayered FeAs Structures and their Magnetic Anisotropy Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

APPLIED PHYSICS EXPRESS   1 ( 10 )   101702   2008.10

Heteroepitaxial growth and optoelectronic properties of layered iron oxyarsenide, LaFeAsO Reviewed

Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

APPLIED PHYSICS LETTERS   93 ( 16 )   162504   2008.10

Fabrication of ScAlMgO4 epitaxial thin films using ScGaO3(ZnO)(m) buffer layers and its application to lattice-matched buffer layer for ZnO epitaxial growth Reviewed

Takayoshi Katase, Kenji Noinura, Hirornichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, Hideo Hosono

THIN SOLID FILMS   516 ( 17 )   5842 - 5846   2008.7

Exotic Crystal Structures and Electronic Structures in Novel Structured Inorganic Materials

T. Kamiya, H. Hiramatsu, K. Ide, T. Katase, H. Hosono（Chapter 6, Novel Structured Metallic and Inorganic Materials）

Springer Nature Singapore Pte Ltd.  2019.7 

熱電変換効率改善の新アプローチ : Ｈ－置換により低い格子熱伝導率と高い電気伝導度を同時に実現

片瀬貴義, 神谷利夫

セラミックス   58 ( 7 )   498   2023.6

酸化物に圧力を加えて, 電気伝導度と熱起電力を同時に向上させる熱電材料を開発 Invited

片瀬貴義

日本熱電学会誌   18 ( 3 )   148   2022.5

強電子相関酸化物ヘテロ構造に発現する巨大フォノンドラッグ熱電能 Invited

片瀬貴義

日本熱電学会誌   18 ( 3 )   147   2022.5

電気伝導率と熱起電力を同時に向上できる酸化物熱電材料を開発 Invited

片瀬貴義, 神谷利夫

セラミックス   57 ( 2 )   114   2022.4

温度差で発電する酸化物熱電材料 人工構造を利用した、熱電変換特性を高める新たなアプローチ Invited

片瀬貴義, 神谷利夫

クリーンエネルギー   31 ( 3 )   2021.10

結晶構造の次元性を人為的に制御し,巨大な電気抵抗スイッチを実現 Invited

片瀬貴義, 神谷利夫

自動車技術「超の世界」   75 ( 12 )   118 - 119   2021.5

セレン化スズ半導体の極性を多段階制御 排熱を電気に変える高性能熱電素子実現へ Invited

片瀬貴義, 神谷利夫

クリーンエネルギー   30 ( 4 )   19 - 21   2021.4

遷移金属元素を発光中心としたアモルファス酸化物半導体蛍光体薄膜の探索

二角勇毅, 渡邉脩人, 井手啓介, KIM J., 片瀬貴義, 平松秀典, 平松秀典, 細野秀雄, 細野秀雄, 神谷利夫, 神谷利夫

セラミックス基礎科学討論会講演要旨集   56th   2018

Ba_1-xLa_xFe₂As₂薄膜の結晶構造

小林賢介, 中尾朗子, 真木祥千子, 山浦淳一, 片瀬貴義, 佐藤光, 佐賀山基, 熊井玲児, 村上洋一, 平松秀典, 平松秀典, 細野秀雄, 細野秀雄

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   2017

薄膜プラズモン太陽電池の高性能化に向けた酸化チタンの電気特性の評価

中村圭佑, 片瀬貴義, 押切友也, 上野貢生, 太田裕道, 三澤弘明

日本化学会春季年会講演予稿集(CD-ROM)   96th   2016

パルスレーザー堆積法による薄膜プラズモン太陽電池の光電変換特性

中村圭佑, 片瀬貴義, 押切友也, 上野貢生, 太田裕道, 三澤弘明

日本化学会講演予稿集   95th ( 2 )   2015

24aGL-12 Quasiparticle dynamics of Ba(Fe_<1-x>Co_x)_2As_2 in THz regions

Imai Y, Nabeshima F, Nakamura D, Katase T, Hiramatsu H, Hosono H, Maeda A

Meeting Abstracts of the Physical Society of Japan   66 ( 0 )   2011

26aEE-10 THz conductivity measurement of underdoped Ba(Fe_<1-x>Co_x)_2As_2 thin film

Nakamura D, Nabeshima F, Imai Y, Maeda A, Katase T, Hiramatsu H, Hosono H

Meeting Abstracts of the Physical Society of Japan   66 ( 0 )   589 - 589   2011

不足ドープBa(Fe_1-xCo_x)₂As₂薄膜のテラヘルツ伝導度測定

中村大輔, 鍋島冬樹, 今井良宗, 前田京剛, 片瀬貴義, 平松秀典, 細野秀雄, 細野秀雄

日本物理学会講演概要集   66 ( 1 )   2011

テラヘルツ伝導度からみたBa(Fe_1-xCo_x)₂As₂の準粒子ダイナミクス

今井良宗, 今井良宗, 鍋島冬樹, 鍋島冬樹, 中村大輔, 片瀬貴義, 平松秀典, 細野秀雄, 細野秀雄, 前田京剛, 前田京剛

日本物理学会講演概要集   66 ( 2 )   2011

23pWH-15 Characterization of Ba(Fe_<1-x>Co_x)_2As_2 thin films by magnetization, transport and Hall measurements

Mohan Shyam, Taen Toshihiro, Yagyuda Hidenori, Nakajima Yasuyuki, Tamegai Tsuyoshi, Katase Takayoshi, Hiramatsu Hidenori, Hosono Hideo

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   504 - 504   2010.8

BaFe_1.8Co_0.2As₂及びFe(Se,Te)超伝導体におけるTHz電気伝導度

前田京剛, 前田京剛, 中村大輔, 中村大輔, 鍋島冬樹, 鍋島冬樹, 片瀬貴義, 平松秀典, 細野秀雄, 細野秀雄, 細野秀雄, 今井良宗, 今井良宗, 秋池孝則, 秋池孝則, 田中遼, 田中遼, 塚田一郎, 塚田一郎

日本物理学会講演概要集   65 ( 1 )   2010

20aGH-6 THz electrical conductivity of BaFe_<1.8>Co_<0.2>As_2 and Fe(Se,Te) superconductors

Maeda A, Nakamura D, Nabeshima F, Katase T, Hiramatsu H, Hosono H, Imai Y, Akiike T, Tanaka R, Tsukada I

Meeting Abstracts of the Physical Society of Japan   65 ( 0 )   535 - 535   2010

絶縁体から導電性磁石への可逆切替デバイス-高密度情報記憶素子に向けて- Invited

片瀬貴義, 鈴木雄喜, 太田裕道

日本セラミックス協会第29回秋季シンポジウム  2016.9 

Electrochemical modulation of insulator to conducting magnet; a new route for high-capacity information storage device Invited International conference

Takayoshi Katase, Yuki Suzuki, Hiromichi Ohta

International Research School: Electronic States and Phases Induced by Electric or Optical Impacts (IMPACT) 2016  2016.8 

Electrochemically switchable electromagnetic device with water electrolysis Invited International conference

Takayoshi Katase, Hiromichi Ohta

Mini-workshop on oxides and related materials  2016.2 

Reversible switching of optoelectric and electro-magnetic properties of functional oxides using water-infiltrated glass Invited International conference

Takayoshi Katase, Hiromichi Ohta

SPIE Photonics West 2016  2016.2 

水の電気分解を利用した機能性酸化物の電気・磁 気・光物性変調デバイス Invited

片瀬貴義, 太田裕道

第311回 応用セラミックス研究所学術講演会 [第7回 材料構造講演会]  2016.2 

遷移金属酸化物薄膜歪界面のフォノンドラッグ熱電能 Invited

片瀬 貴義

奈良先端科学技術大学院大学 異分野融合ワークショップ 電子格子相互作用：基礎物理からデバイス応用まで  2017.7 

遷移金属酸化物の電気化学反応を利用した機能変調デバイス Invited

片瀬貴義, 太田裕道

6大学連携プロジェクト公開討論会  2017.3 

（平成28年度進歩賞受賞講演）遷移金属酸化物の酸化・還元を利用した薄膜機能デバイスの開発 Invited

片瀬貴義, 太田裕道

日本セラミックス協会2017年 年会  2017.3 

無機機能性材料の薄膜成長とデバイス化 Invited

片瀬 貴義

第17回フロンティア材料研究所講演会（第10回材料構造講演会）「構造と新規物質・新機能」  2016.12 

Metal-insulator transition and thermopower modulation of VO2 thin film by electric-field induced hydrogenation Invited International conference

Takayoshi Katase, Hiromichi Ohta

Oxide Thin Films for Advanced Energy and Information Applications; Materials Chemistry of Thin Film Oxides  2014.7 

Bicrystal grain boundary junction of Fe-based superconductor Co-doped BaFe2As2 Invited International conference

T. Katase, H. Hiramatsu, Y. Ishimaru, A. Tsukamoto, C. Sheehan, V. Matias, T. Kamiya, K. Tanabe, H. Hosono

The 15th Japan-US Workshop on Advanced Superconductors  2011.10 

High critical current density 4MA/cm2 in Co-doped BaFe2As2 epitaxial films grown on (La,Sr)(Al,Ta)O3 substrates without buffer layers Invited

片瀬貴義, 平松秀典, 神谷利夫, 細野秀雄

2011年秋季第72回応用物理学会学術講演会  2011.8 

Thin film growth and device fabrication of iron pnictide superconductors Invited International conference

T. Katase, H. Hiramatsu, Y. Ishimaru, A. Tsukamoto, C. Sheehan, V. Matias, T. Kamiya, K. Tanabe, H. Hosono

Seminar at Los Alamos National Laboratory  2011.5 

Robust grain boundary nature in iron pnictide Superconductors Invited International conference

T. Katase, Y. Ishimaru, A. Tsukamoto, H. Hiramatsu, T. Kamiya, K. Tanabe, H. Hosono

2011 MRS Spring Meeting  2011.4 

Grain boundary properties of iron-pnictide superconductor, cobalt-doped BaFe2As2 Invited International conference

T. Katase, Y. Ishimaru, A. Tsukamoto, H. Hiramatsu, T. Kamiya, K. Tanabe, H. Hosono

The 23rd International Symposium on Superconductivity 2010  2010.11 

鉄系超伝導体Co添加BaFe2As2エピタキシャル薄膜によるジョセフソン接合 Invited

片瀬貴義, 石丸喜康, 塚本晃, 平松秀典, 神谷利夫, 田辺圭一, 細野秀雄

2010年春季第57回応用物理学会関係連合講演会  2010.3 

Reversible modulation of opto-electric and electro-magnetic properties of transition metal oxides using water-infiltrated glass Invited International conference

Takayoshi Katase, Hiromichi Ohta

EMN Meeting on Ceramics  2016.1 

水電気分解を利用した機能性酸化物の光・ 電子・磁気物性可逆変調 Invited

片瀬貴義, 太田裕道

附置研究所間アライアンス 第三回若手研究交流会  2015.11 

Electro-magnetic properties control of functional oxides by pseudo solid-state electrochemistry Invited International conference

Takayoshi Katase, Hiromichi Ohta

2015 EMN Qingdao Meeting  2015.6 

Thermal conductivity modulation via crystal structure dimensionality switching of chalcogenide semiconductors Invited

Takayoshi Katase

International Workshop “Thermal Conductivity of solid states at low temperatures”  2023.10 

新材料で切り拓くカーボンニュートラル社会への挑戦 Invited

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自然科学研究機構 核融合科学研究所 セミナー  2023.7 

Novel Material Development toward High-efficiency Energy Devices Invited

Takayoshi Katase

Advanced Performance Metals Workshop  2023.7 

エネルギーデバイスに革新を起こす新材料開発 Invited

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特別講義、大阪大学豊中キャンパス  2023.2 

超高効率エネルギー利用を可能にする新材料・デバイス開発 Invited

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科学工学技術委員会講演会  2022.12 

Electronic property modulation of transition metal oxides by electrochemical and strain engineering Invited

Takayoshi Katase

2020 International Conference on Solid State Devices and Materials (SSDM)  2020.9 

Unusually large power-factor enhancement by breaking thermoelectric trade-off relation in transition metal oxide Invited

Takayoshi Katase

Materials Research Meeting 2019  2019.12 

トレードオフの相関を超えた巨大熱電変換性能 Invited

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令和元年度第2回プロセス研究会  2019.12 

遷移金属酸化物歪界面で発現する特異な熱電能 Invited

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公益社団法人日本磁気学会 第217回研究会「シン・熱電変換材料」  2018.3 

Room-temperature-protonation-driven optoelectronic device with water-gated thin-film-transistor structure Invited International conference

Takayoshi Katase, Hiromichi Ohta

the 8th International Conference and Exhibition on Lasers, Optics & Photonics  2017.11 

含水多孔質ガラスを用いたオンデマンド赤外線透過率-導電率制御デバイス Invited

片瀬貴義, 太田裕道

日本真空学会 スパッタリングおよびプラズマプロセス技術部会  2017.10 

新材料開発によるエネルギーデバイスの革新 Invited

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東海 NFRW・東海地区若手チャプタージョイントワークショップ、応用物理学会東海支部  2022.11 

SnSe系非平衡固溶体：熱電変換特性向上および熱伝導制御の新たなアプローチ Invited

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日立金属株式会社 グローバル技術革新センター セミナー  2022.9 

カルコゲナイド固溶系半導体の2次元―3次元構造転移と熱伝導率変調 Invited

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応用物理学会 第6回フォノンエンジニアリング研究会  2022.7 

非平衡カルコゲナイド固溶系半導体の2次元―3次元構造転移と巨大電子物性変調 Invited

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日本セラミックス協会 第34回秋季シンポジウム  2021.9 

不活性電子対制御によるカルコゲナイド半導体の巨大電子物性変調 Invited

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日本磁気学会 第68回化合物新磁性材料専門研究会  2021.3 

Material design of thermoelectric oxides with low thermal conductivity Invited

Takayoshi Katase

Materials Science & Technology Technical Meeting and Exbibition (MS&T24)  2024.10 

電子と原子を巧みに操り、次世代熱エネルギー材料を創る Invited

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サイテックサロン, サイエンステクノフロンティアフォーラム  2024.9 

Material design for thermal conductivity modulation using nonequilibrium phase boundary Invited

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2024年 応用物理学会 秋季学術講演会  2024.9 

Mixed-anion oxides for eco-friendly high-performance thermoelectric materials Invited

Takayoshi Katase

14th CMCEE  2024.8 

Design of low thermal conductivity and thermal switching materials Invited

Takayoshi Katase

MRM2023/IUMRS-ICA2023  2023.12 

New strategies of phonon engineering for high performance thermoelectric materials Invited

Takayoshi Katase

Workshop on materials science  2023.12 

Design of 2D-3D structural switching material for giant physical property modulation” Invited

Takayoshi Katase

The 35th Symposium on Phase Change Oriented Science  2023.11 

相転移材料を用いた熱・電気輸送の制御 Invited

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フォノンエンジニアリングの基本的な考え方,熱伝導率の制御や測定,その応用、技術情報協会セミナー  2024.7 

酸化物ヘテロ界面制御によるフォノンドラッグ熱電能の増強 Invited

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第5回新奇二次元デバイス・物質科学ワークショップ  2024.6 

高効率熱電変換と熱制御に向けた新材料開発 Invited

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第57回エネルギーハーべスティングコンソーシアム総会  2024.6 

環境に優しい新熱電材料：複合アニオン酸化物 Invited

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熱電材料研究の最前線と新展開  2024.4 

Material design for thermal conductivity reduction and modulation Invited

Takayoshi Katase

TMS 2024, the 153rd Annual Meeting & Exhibition  2024.3 

Novel ion substitution approach for high performance thermoelectric materials Invited

Takayoshi Katase

48th International Conference and Exposition on Advanced Ceramics and Composites (ICACC2024)  2024.2 

次世代エネルギーデバイスに向けた新材料開発 Invited

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分子研物質分子科学研究領域研究会「物質分子科学研究展望」  2024.1 

Phonon-drag-driven thermopower enhancement in oxide thin-film heterostructure Invited

Takayoshi Katase

TMS 2025, the 153th Annual Meeting & Exhibition  2025.3 

Design of eco-friendly and high-efficiency thermo-photoelectric conversion materials Invited

Takayoshi Katase

TMS 2025, the 153rd Annual Meeting & Exhibition  2025.3 

New strategy of phonon engineering for high performance thermoelectric oxides Invited

Takayoshi Katase

New Zealand – Japan workshop on emerging solid-state technology for low-enthalpy energy harvesting  2024.11 

第17回日本熱電学会学術講演会 優秀講演賞

2020.9  

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Institute of Physics, Outstanding Reviewer Awards 2019

2020.3  

Takayoshi Katase

58th Symposium of Basic Science of Ceramics, World Young Fellow Meeting 2020, Presentation Award

2020.2   The Ceramics Society of Japan  

Takayoshi Katase

2019 Tokyo Tech Challenging Research Award, Suematsu Challenging Research Award

2019.9  

Takayoshi Katase

第31回 安藤博記念学術奨励賞

2018.6   一般財団法人 安藤研究所  

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平成30年度花王科学奨励賞 化学・物理学部門

2018.6   公益財団法人花王芸術・科学財団  

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日本セラミックス協会賞 進歩賞

2017.6  

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Best Poster Award

2016.10   The 23rd International Workshop on Oxide Electronics (WOE 23)  

Takayoshi Katase

フロンティア材料研究所学術賞（研究奨励部門）

2016.9  

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第44回電子科学研究所松本・羽鳥奨学賞

2015.2  

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第11回薄膜材料デバイス研究会 ベストペーパーアワード

2014.11  

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第34回エレクトロセラミックス研究討論会 優秀賞

2014.10  

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第29回井上研究奨励賞

2013.2  

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平成24年手島精一記念研究賞（博士論文賞）

2013.2  

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第26回独創性を拓く先端技術大賞 フジテレビジョン賞

2012.7  

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第16回超伝導科学技術賞

2012.4  

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第33回応用物理学会論文奨励賞

2011.8  

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Materials Research Society Symposium Award (2nd Place Oral Presentation)

2010.5  

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第27回応用物理学会講演奨励賞

2010.3  

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第31回応用物理学会優秀論文賞

2009.9  

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複合アニオン酸化物熱電変換材料-熱伝導率低減による性能向上と機構解明-

Grant number：23K23034  2022.4 - 2025.3

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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IV族混晶バンドエンジニアリングを基軸とした巨大熱電能の制御とデバイス応用

Grant number：21H01366  2021.4 - 2024.3

日本学術振興会  科学研究費助成事業  基盤研究(B)

黒澤 昌志, 片瀬 貴義

Exploration of thermal conductivity switching material with periodic nano-structure transition

Grant number：20K21075  2020.7 - 2022.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory)  Grant-in-Aid for Challenging Research (Exploratory)

Katase Takayoshi

Creation and comprehensive exploration of high performance thermoelectric semiconductor utilizing natural quantum structure of layered transition metal compound

Grant number：19H02425  2019.4 - 2022.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

Katase Takayoshi

遷移金属酸化物歪界面を利用したフォノンドラッグ熱電能の制御

2016.10 - 2020.3

科学技術振興機構さきがけ 

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室温で不揮発動作可能な反強磁性/絶縁体-強磁性/金属スイッチング素子の開発

2016.4 - 2018.3

学術研究助成基金助成金 挑戦的萌芽研究 

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水の電気分解を利用した酸化物 薄膜固体デバイスの電気物性制御

2015.3 - 2018.3

科学研究費補助金 若手研究(A) 

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Searching for new materials functions by atomic layer control

Grant number：25106007  2013.6 - 2018.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Ohta Hiromichi, KATASE TAKAYOSHI, YAMANOUCHI MICHIHIKO

Electric field accumulation and giant thermopower modulation of one dimensional electron gas in oxide semiconductors

Grant number：25246023  2013.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

Ohta Hiromichi, KATASE TAKAYOSHI

鉄系超伝導物質のエピタキシャル薄膜成長と超伝導デバイスの試作

Grant number：10J08411  2010.4 - 2012.3

日本学術振興会 特別研究員奨励費 DC2  科学研究費助成事業  特別研究員奨励費

片瀬 貴義