Journal Paper

• 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–xHx, ACS Appl. Electron. Mater., Vol. 6, pp. 7424, Sept. 2024.
• Teruya Nagafuji, Koshiro Osuna, Kota Hanzawa, Tomoya Gake, Sougmin Bae, Zhongxu Hu, Takayoshi Katase, Akira Takahashi, Hidenori Hiramatsu, Fumiyasu Oba. Carrier generation and compensation mechanism in La2SnO2S3, J. Mater. Chem. C, Vol. 12, pp. 12015, 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.

International Conference (Reviewed)

• 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.
• Teruya Nagafuji, Koshiro Osuna, Kota Hanzawa, Tomoya Gake, Soungmin Bae, Zhongxu Hu, Takayoshi Katase, Akira Takahashi, Hidenori Hiramatsu, Fumiyasu Oba. Elucidation of Carrier Generation and Compensation Mechanism in La2SnO2S3, The 4th International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA2024), Oct. 2024.
• eruya Nagafuji, Koshiro Osuna, Kota Hanzawa, Tomoya Gake, Soungmin Bae, Zhongxu Hu, Takayoshi Katase, Akira Takahashi, Hidenori Hiramatsu, Fumiyasu Oba. Point Defects and Self-Trapped Electrons in La2SnO2S3, 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.
• Tomoya Suzuki, Kaname Sakaban, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Impact of Oxygen Pressure and Substrate Temperature on Epitaxial Film Growth of Rutile-type GeO2, The Fourteenth International Conference on the Science and Technology for Advanced Ceramics (STAC14), Oct. 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.
• 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.
• Atsushi Shimizu, Keisuke Ide, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Optimization of deposition parameters for porous a-IGZO thin films using machine learning regression, STAC - D2MatE 2024, Feb. 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.

Domestic Conference (Reviewed)

• 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.
• Takayoshi Katase, Ren Ushijima, Takehito Komatsu, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. SrTiO3-xHx焼結体の高温直接合成と熱電特性, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• Ren Ushijima, Takehito Komatsu, Takayoshi Katase, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. SrTiO3-xHx焼結体の高温直接合成と窒素アニオン部分置換による熱電特性向上, 日本セラミックス協会2024年会, Mar. 2024.
• Takayoshi Katase, ホシンイ, S. Kimura, 只野央将, Satoru Matsuishi, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. 逆ペロブスカイト型Ba3BO（B = Si, Ge）：低い格子熱伝導率と高い変換効率を有する環境調和型熱電材料, 日本セラミックス協会2024年会, Mar. 2024.
• Masatoshi Kimura, Kuan-Ju Zhou, Keisuke Ide, Takayoshi Katase, hidenori hiramatsu, HIDEO HOSONO, Ting-Chang Chang, TOSHIO KAMIYA. 機械学習による多値逆問題解析:アモルファス酸化物半導体トランジスタの欠陥分布・電子輸送を例に, 応用物理学会第71回春季学術講演会, Mar. 2024.
• Tomoki Oida, ホシンイ, Takayoshi Katase, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. 層状半導体Bi2OS2高純度試料のメカノケミカル合成と電気特性, 日本セラミックス協会2024年会, Mar. 2024.
• Soshi Kumagai, Takayoshi Katase, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. バッファ層挿入による(100)配向岩塩型(Sn1-xCax)Se薄膜の移動度向上, 日本セラミックス協会2024年会, Mar. 2024.
• Takayoshi Katase, ホシンイ, S. Kimura, 只野央将, Satoru Matsuishi, hidenori hiramatsu, HIDEO HOSONO, TOSHIO KAMIYA. 逆ペロブスカイト型Ba3BO（B = Si, Ge）：低い格子熱伝導率と高い変換効率を有する環境調和型熱電材料, 日本セラミックス協会2024年会, Mar. 2024.

International Conference (Not reviewed / Unknown)

• 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.

Patent

• Fumiyasu Oba, hidenori hiramatsu, Tomoya Gake, Kota Hanzawa. ４元系酸カルコゲン化物および電子素子. Patent. Published. 国立大学法人東京工業大学. 2022/12/22. 特願2022-205476. 2024/07/05. 特開2024-091629. 2024.

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