論文

• 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. Nonequilibrium Layered PbS Stabilized by Sn Doping: Bipolar Semiconductors with Low Thermal Conductivity, ACS Appl. Electron. Mater., 6, 11, 8339-8350, Nov. 2024.
• Takayoshi Katase, Seiya Nomoto, Xinyi He, Suguru Kitani, Takashi Honda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Simultaneous Realization of Single-Crystal-Like Electron Transport and Strong Phonon Scattering in Polycrystalline SrTiO3-x H x, ACS Appl. Electron. Mater., Vol. 6, 10, pp. 7424-7429, Sept. 2024.
• Takayoshi Katase, Seiya Nomoto, Xinyi He, Suguru Kitani, Takashi Honda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Simultaneous Realization of Single-Crystal-Like Electron Transport and Strong Phonon Scattering in Polycrystalline SrTiO3-x H x, ACS Appl. Electron. Mater., Vol. 6, 10, pp. 7424-7429, Sept. 2024.
• Takayoshi Katase, Seiya Nomoto, Xinyi He, Suguru Kitani, Takashi Honda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Simultaneous Realization of Single-Crystal-Like Electron Transport and Strong Phonon Scattering in Polycrystalline SrTiO3-x H x, ACS Appl. Electron. Mater., Vol. 6, 10, pp. 7424-7429, Sept. 2024.
• Weizheng Cai, Xinyi He, Tian-Nan Ye, Xinmeng Hu, Chuanlong Liu, Masato Sasase, Masaaki Kitano, Toshio Kamiya, Hideo Hosono, Jiazhen Wu. Discovery of Self-Assembled 2D Ru/Si Superlattices Boosting Hydrogen Evolution, SMALL, July 2024.
• Xinyi He, Tatsuya Cho, Takayoshi Katase, Kota Hanzawa, Suguru Kitani, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Wide-Gap p-Type Layered Oxychalcogenides AE2CuInO3Ch (AE: Alkaline Earth; Ch: Chalcogen): Unusually Low Residual Carrier Concentration and Green-to-Red Emission, CHEMISTRY OF MATERIALS, 36, June 2024.
• Chihiro Yamamoto, Xinyi He, Kota Hanzawa, Takayoshi Katase, Masato Sasase, Jun-ichi Yamaura, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Phonon drag thermopower persisting over 200 K in FeSb2 thin film on SrTiO3 single crystal, APPLIED PHYSICS LETTERS, May 2024.
• Xinyi He, Shigeru Kimura, Takayoshi Katase, Terumasa Tadano, Satoru Matsuishi, Makoto Minohara, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya. Inverse-Perovskite Ba3BO (B=Si and Ge) as a HighPerformance Environmentally Benign ThermoelectricMaterial with Low Lattice Thermal Conductivity, Advanced Science, p. 2307058, Dec. 2023.
• Xinyi He, Seiya Nomoto, Takehito Komatsu, Takayoshi Katase, Terumasa Tadano, Suguru Kitani, Hideto Yoshida, Takafumi Yamamoto, Hiroshi Mizoguchi, Keisuke Ide, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, Toshio Kamiya. Hydride anion substitution boosts thermoelectric performance of polycrystalline SrTiO3 via simultaneous realization of reduced thermal conductivity and high electronic conductivity, Adv.Funct. Mater., Vol. 33, 28, p. 2313144, Apr. 2023.
• Xinyi He, Seiya Nomoto, Takehito Komatsu, Takayoshi Katase, Terumasa Tadano, Suguru Kitani, Hideto Yoshida, Takafumi Yamamoto, Hiroshi Mizoguchi, Keisuke Ide, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, Toshio Kamiya. Hydride anion substitution boosts thermoelectric performance of polycrystalline SrTiO3 via simultaneous realization of reduced thermal conductivity and high electronic conductivity, Adv.Funct. Mater., Vol. 33, 28, p. 2313144, Apr. 2023.
• Xinyi He, Seiya Nomoto, Takehito Komatsu, Takayoshi Katase, Terumasa Tadano, Suguru Kitani, Hideto Yoshida, Takafumi Yamamoto, Hiroshi Mizoguchi, Keisuke Ide, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, Toshio Kamiya. Hydride anion substitution boosts thermoelectric performance of polycrystalline SrTiO3 via simultaneous realization of reduced thermal conductivity and high electronic conductivity, Adv.Funct. Mater., Vol. 33, 28, p. 2313144, Apr. 2023.
• Zhongxu Hu, Mari Hiramatsu, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Reversible Thermal Conductivity Modulation of Non-equilibrium (Sn1-xPbx)S by 2D-3D Structural Phase Transition above Room Temperature, ACS Appl. Energy Mater., Vol. 6, pp. 3504, Mar. 2023.
• Makoto Minohara, Yuka Dobashi, Naoto Kikuchi, Akane Samizo, Takashi Honda, Xinyi He, Takayoshi Katase, Toshio Kamiya, Keishi Nishio, Yoshihiro Aiura. Tuning of Hole Carrier Density in p-type α-SnWO4 by Exploiting Oxygen Defects, Materials Advances, Vol. 3, pp. 9111, Nov. 2022.
• Akihiro Shiraishi, Shigeru Kimura, Xinyi He, Naoto Watanabe, Takayoshi Katase, Keisuke Ide, Makoto Minohara, Kosuke Matsuzaki, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya. Design, Synthesis, and Optoelectronic Properties of the High-Purity Phase in Layered AETMN2 (AE = Sr, Ba; TM = Ti, Zr, Hf) Semiconductors, INORG. CHEM., 61, 6650−6659, Apr. 2022.
• Kaiwen Li, Atsushi Shimizu, Xinyi He, Keisuke Ide, Kota Hanzawa, Kosuke Matsuzaki, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Q. Zhang, Toshio Kamiya. Low Residual Carrier Density and High In-Grain Mobility in Polycrystalline Zn3N2 Films on a Glass Substrate, ACS Appl. Electron. Mater., Vol. 4, pp. 2026, Apr. 2022.
• Xinyi He, Jinshuai Chen, Takayoshi Katase, Makoto Minohara, Keisuke Ide, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya. High-Mobility Metastable Rock-Salt Type (Sn,Ca)Se Thin Film Stabilized by Direct Epitaxial Growth on a YSZ (111) Single-Crystal Substrate, ACS Appl. Mater. Interfaces, 14, 18682–18689, Apr. 2022.
• Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Degenerated Hole Doping and Ultra-Low Lattice Thermal Conductivity in Polycrystalline SnSe by Nonequilibrium Isovalent Te Substitution, Advanced Science, Vol. 9, pp. 202105958, Mar. 2022.
• Makoto Minohara, Naoto Kikuchi, TKouhei Tsukada, Yuka, Dobashi, Akane Samizo, Keishi Nishio, Xinyi He, Takayoshi Katase, Toshio Kamiya, Yoshihiro Aiura. Effect of intentional chemical doping on crystallographic and electric properties of the pyrochlore Bi2Sn2O7, Materials & Design, Vol. 216, pp. 110549, Mar. 2022.
• Yusaku Nishimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Suguru Kitani, Kota Hanzawa, Shigenori Ueda, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, Toshio Kamiya. Electronic and Lattice Thermal Conductivity Switching by 3D−2D Crystal Structure Transition in Nonequilibrium (Pb1−xSnx)Se, Advanced Electronic Materials, 32, 2200024 (1 of 9), Feb. 2022.
• 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. Large phonon drag thermopower boosted by massive electrons and phonon leaking in LaAlO3/LaNiO3/LaAlO3 heterostructure, Nano letters, Vol. 21, pp. 9240-9246, Oct. 2021.
• Takayoshi Katase*, Xinyi He, Terumasa Tadano, Jan M. Tomczak, Takaki Onozato, Keisuke Ide, Bin Feng, Tetsuya Tohei, Hidenori Hiramatsu, Hiromichi Ohta, Yuichi Ikuhara, Hideo Hosono, Toshio Kamiya. Breaking of thermopower – conductivity trade-off in LaTiO3 film around Mott insulator to metal transition, Advanced Science, Vol. 8, pp. 202102097, Oct. 2021.
• Xinyi He, Takayoshi Katase*, Keisuke Ide, Hideo Hosono, Toshio Kamiya. Ion substitution effect on defect formation in two-dimensional transition metal nitrides semiconductor, AETiN2 (AE = Ca, Sr, Ba), Inorg. Chem., Vol. 60, pp. 10227-10234, July 2021.
• 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. Reversible 3D-2D structural phase transition and giant electronic modulation in nonequilibrium alloy semiconductor, lead-tin-selenide, SCIENCE ADVANCES, Vol. 7, pp. eabf2725, Mar. 2021.
• Chihiro Yamamoto, Xinyi He, Takayoshi Katase, Keisuke Ide, Yosuke Goto, Yoshikazu Mizuguchi, Akane Samizo, Makoto Minohara, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Double charge polarity switching in Sb-doped SnSe with switchable substitution sites, Adv. Funct. Mater., p. 202008092, Dec. 2020.
• Christian A. Niedermeier, Junichi Yamaura, Jiazhen Wu, Xinyi He, Takayoshi Katase, Hideo Hosono, Toshio Kamiya. New crystal structure built from a GeO6-GeO5 polyhedra network with high thermal stability: -SrGe2O5, ACS Appl. Electron. Mater., vol. 1, p. 1989-1993, Sept. 2019.
• Xinyi He, Zewen Xiao, Takayoshi Katase, Keisuke Ide, Hideo Hosono, Toshio Kamiya. Intrinsic and Extrinsic Defects in Layered Nitride Semiconductor, SrTiN2, Journal of Physical Chemistry C, vol. 123, p. 32, July 2019.

国際会議発表 (査読有り)

• Takayoshi Katase, Xinyi He, Shigeru Kimura, Terumasa Tadano, Satru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Design of high-performance mixed anion thermoelectric oxides, MRS-J, Dec. 2024.
• Zan Yang, Xinyi He, Takayoshi Katase, Toshio Kamiya. Acceleration of Thermoelectric Materials Discovery by Extracting Phonon and Carrier Transport Information from Dielectric Response, The Fourteenth International Conference on the Science and Technology for Advanced Ceramics (STAC14), Oct. 2024.
• Ryusei Higuchi, Xinyi He, Takayoshi Katase, Toshio Kamiya. Eco-friendly thermoelectric semiconductor layered AE2ZnN2 (AE=Ca, Sr, Ba) with low thermal conductivity, The Fourteenth International Conference on the Science and Technology for Advanced Ceramics (STAC14), Oct. 2024.
• Zhongxu Hu, Xinyi He, Takayoshi Katase, Hiroyuki Noto, Hiyori Uehara, Toshio Kamiya. Fabrication and thermoelectric properties of La-doped Ba(Zr,Hf)S3 bulk polycrystals with ultra-low thermal conductivity, The Fourteenth International Conference on the Science and Technology for Advanced Ceramics (STAC14), Oct. 2024.
• Xinyi He, Takayoshi Katase, Satoru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Inverse-Perovskite Oxides with High Thermoelectric Performance and Air Stability, The Fourteenth International Conference on the Science and Technology for Advanced Ceramics (STAC14), Oct. 2024.
• Takayoshi Katase, Xinyi He, Toshio Kamiya. Eco-friendly high-performance thermoelectric mixed-anion oxides, Euro-MRS, May 2024.
• Xinyi He, Shigeru Kimura, Takayoshi Katase, Terumasa Tadano, Satoru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Low Thermal Conductivity and High Thermoelectric Performance in Toxic-Element-Free Inverse-Perovskite Oxide, 2024 Materials Research Society Spring Meeting & Exhibit, Apr. 2024.
• Zhongxu Hu, Mari Hiramatsu, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Reversible thermal conductivity modulation above room temperature by 2D-3D structural phase transition in non-equilibrium (Sn1-xPbx)S solid solution, STAC - D2MatE 2024, Feb. 2024.
• Takayoshi Katase, Xinyi He, Shigeru Kimura, Terumasa Tadano, Satoru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Inverse-perovskite Ba3BO (B = Si and Ge): a potential high performance eco-friendly thermoelectric material with low lattice thermal conductivity, STAC - D2MatE 2024, Feb. 2024.
• Xinyi He, Shigeru Kimura, Takayoshi Katase, Terumasa Tadano, Satoru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Origin of high thermoelectric performance and low lattice thermal conductivity in inverse-perovskite Oxide, Ba3BO (B = Si and Ge), STAC - D2MatE 2024, Feb. 2024.
• Sakura Yoshikawa, Xinyi He, Takayoshi Katase, Shigenori Ueda, Shunsuke Kobayashi, Kei Nakayama, Takeharu Kato, Hiroki Moriwake, Toshio Kamiya. Origin of electronic conduction in H-doped ultra-wide bandgap SrO thin film, STAC - D2MatE 2024, Feb. 2024.
• Zan Yang, Linwei Li, Xinyi He, Takayoshi Katase, Toshio Kamiya. Ultra-low Lattice Thermal Conductivity of SnSb2Se4 with Pseudo-1D Atomic Chains, STAC - D2MatE 2024, Feb. 2024.
• Xinyi He, Seiya Nomoto, Takayoshi Katase, Terumasa Tadano, Toshio Kamiya. Enhancing Thermoelectric Performance of SrTiO3 with strong phonon scattering by hydride anion substitution, MRM2023/IUMRS-ICA2023, Dec. 2023.
• Takayoshi Katase, Xinyi He, Yusaku Nishimura, Keisuke Ide, Hidenori Hiramatsu, Toshio Kamiya. Thermal conductivity modulation using morphotropic phase boundary of 2D-3D chalcogenide semiconductors, The 3rd International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture, Oct. 2023.
• Shigeru Kimura, Akihiro Shiraishi, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. High-purity bulk synthesis and electronic properties of a two-dimensional layered semiconductor, alkaline earth transition metal nitrides, Materials Research Meeting 2021, Dec. 2021.
• Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Enhanced thermoelectric figure-of-merit ZT in layered SnSe doped with isovalent Te and its origin clarified by density functional theory, Materials Research Meeting 2021, Dec. 2021.
• 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. Appearance and large enhancement of phonon drag thermopower by epitaxial strain and phonon leaking from LaAlO3 in LaNiO3, Materials Research Meeting 2021, Dec. 2021.
• Xinyi He, Chihiro Yamamoto, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Double charge polarity conversion by Sb doping in layered SnSe with switchable substitution sites, 2021 Materials Research Society Fall Meeting & Exhibit, Nov. 2021.
• Shigeru Kimura, Akihiro Shiraishi, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Two-dimensional layered semiconductors AETMN2 (AE = Sr, Ba; TM = Ti, Zr, Hf); high-purity bulk synthesis and electronic property characterization, 2021 Materials Research Society Fall Meeting & Exhibit, Nov. 2021.
• Masatoshi Kimura, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Large phonon drag thermopower enhancement by epitaxial strain and phonon leaking in LaAlO3 / LaNiO3 / LaAlO3 heterostructure, 2021 Materials Research Society Fall Meeting & Exhibit, Nov. 2021.
• Takumi Nose, Xinyi He, Haoyun Zhang, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Degenerate hole conduction and ultra-low lattice thermal conductivity of SnSe by nonequilibrium isovalent Te substitution, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Origin of high-density hole doping by isovalent Te substitution in SnSe, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Masatoshi Kimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Phonon-drag driven giant anisotropic thermopower in epitaxially strained LaNiO3 (110) ultra-thin films, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Mari Hiramatsu, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. High electron conductivity and extremely low thermal conductivity of layered SnS semiconductor by geometrical Pb doping, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Shigeru Kimura, Akihiro Shiraishi, Xinyi He, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Electronic structures and electronic properties of 2-dimensional layered semiconductors, AETMN2 (AE = Sr, Ba; TM = Ti, Zr, Hf), The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Masatoshi Kimura, Yuhi Higuchi, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Strain-induced large power-factor enhancement by breaking thermoelectric trade-off relation in lanthanum nickel oxide, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Xinyi He, Tatsuya Cho, Takayoshi Katase, Keisuke Ide, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Electronic structures and electro-optical properties of layered oxychalcogenide semiconductor, AE2CuInO3Ch (AE: Alkaline earth, Ch: Chalcogen), The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.
• Takayoshi Katase, Xinyi He, Terumasa Tadano, Keisuke Ide, Hideto Yoshida, Shiro Kawachi, Junichi Yamaura, Masato Sasase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. 3D-2D structural phase transition and giant electronic conductivity modulation in non-equilibrium hetero-structural alloy, (Pb1-xSnx)Se, The Twelfth International Conference on the Science and Technology for Advanced Ceramics (STAC12), July 2021.

国内会議発表 (査読有り)

• Zhongxu Hu, Xinyi He, Takayoshi Katase, Hiroyuki Noto, Hiyori Uehara, Toshio Kamiya. Synthesis and thermoelectric properties of perovskite chalcogenides Ba(Zr,Hf)S3 with ultra-low thermal conductivity, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• Xinyi He, Shigeru Kimura, Takayoshi Katase, Terumasa Tadano, Satru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Toxic-Element-Free Inverse-Perovskite Oxide Ba3BO (B = Ge, Si) with Low Thermal Conductivity and High Thermoelectric Performance, 2024年 応用物理学会 秋季学術講演会, Sept. 2024.
• Xinyi He, Takayoshi Katase, Toshio Kamiya. Simultaneous realization of high thermoelectric performance and air stability of inverse-perovskite oxides, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• Zan Yang, Xinyi He, Takayoshi Katase, Toshio Kamiya. Extracting Phonon and Carrier Transport Information from Dielectric Response to Accelerate Thermoelectric Materials Discovery, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• Xinyi He, Seiya Nomoto, Takayoshi Katase, Terumasa Tadano, Toshio Kamiya. Strong phonon scattering and thermoelectric property enhancement of SrTiO3 by hydride anion substitution, 日本セラミックス協会第36回秋季シンポジウム, Sept. 2023.
• Xinyi He, Seiya Nomoto, Takayoshi Katase, Terumasa Tadano, Toshio Kamiya. Thermoelectric Performance Enhancement of SrTiO3 with Reduced Thermal Conductivity by Hydride Anion Substitution, 第84回応用物理学会秋季学術講演会, Sept. 2023.
• Zhongxu Hu, Mari Hiramatsu, Xinyi He, Takayoshi Katase, Toshio Kamiya. Thermal Conductivity Switching by 2D-3D Structural Phase Transition in (Sn1xPbx)S above Room Temperature, 日本セラミックス協会第36回秋季シンポジウム, Sept. 2023.
• Zan Yang, Linwei Li, Xinyi He, Takayoshi Katase, Toshio Kamiya. Ultra-low lattice thermal conductivity of SnSb2Se4 with one-dimensional Sn-Se chains, 日本セラミックス協会第36回秋季シンポジウム, Sept. 2023.
• ホ シンイ, 片瀬貴義, 井手啓介, 細野秀雄, 神谷利夫. ZnO中の水素複合欠陥, 薄膜材料デバイス研究会 第19回研究集会「新半導体材料・デバイス：SDGs実現へ向けて」, Nov. 2022.
• Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. Degenerated hole doping and enhanced thermoelectric figure-of-merit ZT in layered SnSe by isovalent Te ion substitution, 第83回応用物理学会秋季学術講演会, Sept. 2022.
• 片瀬貴義, 西村優作, ホ シンイ, 只野央将, 井手啓介, 気谷卓, 半沢幸太, 平松秀典, 川路均, 細野秀雄, 神谷利夫. 準安定(Pb1-xSnx)Se固溶体の2次元-3次元構造転移に伴う熱伝導率変調, 第83回応用物理学会秋季学術講演会, Sept. 2022.
• 片瀬貴義, ホ シンイ, チェン ジンシュアイ, 井手啓介, 平松秀典, 細野秀雄, 神谷利夫. 高移動度岩塩型(Sn,Ca)Se準安定相のエピタキシャル薄膜成長とキャリア輸送特性, 第83回応用物理学会秋季学術講演会, Sept. 2022.
• 木村茂, ホ シンイ, 片瀬 貴義, 井手 啓介, 平松 秀典, 細野 秀雄, 神谷 利夫. 逆ペロブスカイト型酸化物Ba3(Si,Ge)Oの高純度バルク合成と電気特性評価, 薄膜材料デバイス研究会 第18回研究集会, Nov. 2021.
• ホ シンイ, チェン ジンシュアイ, 片瀬 貴義, 井手 啓介, 平松 秀典, 細野 秀雄, 神谷 利夫. 300cm2/Vs以上の粒内正孔移動度を示す非平衡岩塩型(Sn,Ca)Seエピタキシャル薄膜, 薄膜材料デバイス研究会 第18回研究集会, Nov. 2021.
• 高橋 雄大, 片瀬 貴義, ホ シンイ, 只野 央将, 井手 啓介, 吉田 秀人, 河智 史朗, 山浦 淳一, 笹瀬 雅人, 平松 秀典, 細野 秀雄, 神谷 利夫. 準安定(Pb1-xSnx)Se薄膜の2次元-3次元構造転移と巨大電子物性変調, 2021年第68回応用物理学会春季学術講演会, Mar. 2021.

国際会議発表 (査読なし・不明)

• Takayoshi Katase, Xinyi He, Shigeru Kimura, Masashi Kurosawa, Terumasa Tadano, Satoru Matsuishi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Design of environmentally-benign high-ZT thermoelectric materials, The 4th International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA2024), Oct. 2024.
• Takayoshi Katase, Xinyi He, Toshio Kamiya. Design of low thermal conductivity and thermal switching materials, MRM2023/IUMRS-ICA2023, Dec. 2023.
• Toshio Kamiya, Xinyi He, Zewen Xiao, Keisuke Ide, Takayoshi Katase, Hideo Hosono. Structures and Electronic States of Hydrogen in Inorganic Semiconductors with Different Anions, Materials Research Meeting 2019, Dec. 2019.
• Xinyi He, Zewen Xiao, Takayoshi Katase, Keisuke Ide, Hideo Hosono, Toshio Kamiya. Density Functional Study on Defects and Doping for Layered Ternary Nitride, SrTiN2, Materials Research Meeting 2019, Dec. 2019.
• Xinyi He, Zewen Xiao, Takayoshi Katase, Keisuke Ide, Hideo Hosono, Toshio Kamiya. Intrinsic and Extrinsic Defects in Layered Nitride Semiconductor", SrTiN2, The 11th International Conference on the Science and Technology for Advanced Ceramics (STAC-11), July 2019.

国内会議発表 (査読なし・不明)

• 片瀬貴義, ホ シンイ, チェン ジンシュアイ, 井手啓介, 平松秀典, 細野秀雄, 神谷利夫. (111)配向非平衡岩塩型(Sn,Ca)Seエピタキシャル薄膜のドメイン境界の電気特性, 日本セラミックス協会第42回電子材料研究討論会, Nov. 2022.
• 片瀬貴義, ホ シンイ, チェン ジンシュアイ, 井手啓介, 平松秀典, 細野秀雄, 神谷利夫. 準安定(Pb1-xSnx)Se固溶体の合成：2次元-3次元構造転移の誘起と電気・熱伝導率変調, 日本セラミックス協会第42回電子材料研究討論会, Nov. 2022.
• 渡邉 脩人, 白石 明浩, ホ シンイ, 片瀬 貴義, 井手 啓介, 松崎 功佑, 平松 秀典, 細野 秀雄, 神谷 利夫. 層状結晶半導体SrTiN2の高純度試料合成と光電子輸送特性, 第67回応用物理学会春季学術講演会, Mar. 2020.
• 山本 千紘, ホ シンイ, 橋本 幸花, 片瀬 貴義, 井手 啓介, 平松 秀典, 上田 茂典, 細野 秀雄, 神谷 利夫. Sb添加SnSeのゼーベック・ホール係数の二重極性反転機構, 第67回応用物理学会春季学術講演会, Mar. 2020.
• Xinyi He, Zewen Xiao, Takayoshi Katase, Keisuke Ide, Hideo Hosono, Toshio Kamiya. Density functional study on intrinsic and impurity defect formation in layered SrTiN2, 第66回応用物理学会春季学術講演会, Mar. 2019.

学位論文

• First-principles materials design of inorganic semiconductors with defects and phonon scattering,  Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2022/09/22,   
• First-principles materials design of inorganic semiconductors with defects and phonon scattering,  Outline,  Doctor (Engineering),  Tokyo Institute of Technology,  2022/09/22,   
• First-principles materials design of inorganic semiconductors with defects and phonon scattering,  Exam Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2022/09/22,   
• First-principles materials design of inorganic semiconductors with defects and phonon scattering,  Thesis,  Doctor (Engineering),  Tokyo Institute of Technology,  2022/09/22, 

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