論文

• Atsushi Fukuchi, Takayoshi Katase, Toshio Kamiya. Room-Temperature Possible Current-Induced Transition in Ca2RuO4 Thin Films Grown through Intercalation-Like Cation Diffusion in the A2BO4 Ruddlesden–Popper Structure, Small Methods, pp. 2400264, 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–xHx, ACS Appl. Electron. Mater., Vol. 6, pp. 7424, Sept. 2024.
• Kosuke Takenaka, Hibiki Komatsu, Taichi Sagano, Keisuke Ide, Susumu Toko, Takayoshi Katase, Toshio Kamiya, Yuichi Setsuhara. Hydrogen-included Plasma-assisted Reactive Sputtering for Conductivity Control of Ultra-Wide Bandgap Amorphous Gallium Oxide, Jpn. J. Appl. Phys., Vol. 63, pp. 04SP65, Aug. 2024.
• Fumiya Izumisawa, Yuta Ishii, Masatoshi Kimura, Takayoshi Katase, Toshio Kamiya, Jun-ichi Yamaura, Yusuke Kobayashi. Symmetry Change in LaNiO3 Films Caused by Epitaxial Strain from LaAlO3, SrTiO3, and DyScO3 Pseudocubic (001) Surfaces, J. Appl. Phys., Vol. 136, pp. 075303, Aug. 2024.
• Asato Seshita, Aichi Yamashita, Takeshi Fujita, Takayoshi Katase, Akira Miura, Chikako Moriyoshi, Yoshihiro Kuroiwa, Yoshikazu Mizuguchi. Stabilization and high thermoelectric performance of high-entropy-type cubic AgBi(S,Se,Te)2, J. Alloy Compd., Vol. 1004, pp. 175679, Aug. 2024.
• Asato Seshita, Aichi Yamashita, Takayoshi Katase, Yoshikazu Mizuguchi. High entropy effect on thermoelectric properties of nonequilibrium cubic phase of AgBiSe2−2xSxTex with x = 0–0.6, Dalton Trans., Vol. 53, pp. 14830, Aug. 2024.
• Atsushi Tsurumaki-Fukuchi, Takayoshi Katase, Toshio Kamiya. Thickness-dependent intergrowth of Ruddlesden–Popper impurity structures in solid-phase epitaxial growth of Ca2RuO4 thin films, J. Ceram. Soc. Jpn., Vol. 132, pp. 312, July 2024.
• 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. High stability of the ferroelectricity against hydrogen gas in (Al,Sc)N thin films, Appl. Phys. Lett., Vol. 125, pp. 032904, July 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.  公式リンク  
  
• 瀨下亜里, 山下愛智, 藤田武志, 三浦 章, 片瀬貴義, 森吉千佳子, 黒岩芳弘, 中平夕貴, 水口佳一. ハイエントロピー型熱電材料AgBiSe2−2xSxTexの熱電特性, 材料の科学と工学, Vol. 61, No. 3, June 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.

著書

• 片瀬貴義, 神谷利夫. 第II編、第8章 熱伝導制御材料, 熱制御に向けた相変化材料PCMの開発と応用, シーエムシー出版, Apr. 2024.
• 片瀬貴義, ホシンイ, 神谷利夫. 毒性元素を含まない熱電材料で過去最高の変換効率－逆ペロブスカイト酸化物で実現－, セラミックス, Vol. 59, No. 3, pp. 220, Mar. 2024.

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.
• Loku Singgappulige Rosantha Kumara, Sakura Yoshikawa, Atsushi Shimizu, Linwei Li, Takayoshi Katase, Seo Okkyun, Takeshi Watanabe, Masugu Sato, Osami Sakata, Atsushi Fukuchi, Toshio Kamiya. Atomic Scale and Electronic Structure Characterization of Amorphous Tantalum Oxide Thin Films via Synchrotron X-ray Techniques, AsCA2024, Dec. 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.
• Masashi Kurosawa, Takayoshi Katase, Shigehisa Shibayama, Mitsuo Sakashita, Osamu Nakatsuka. Giant thermoelectric power observed in group-IV-based films with high carrier concentrations at low temperatures, 15th International Workshop on New Group IV Semiconductor Nanoelectronics, Oct. 2024.
• Y. Tsuruma, K. Yamaguchi, D. Sasaki, E. Kawashima, T. Kadono, K. Ide, T. Katase, M. Kimura, T. Kamiya. Why Poly-OS IGO Exhibits Mobilities > 50cm2/Vs, PRiME 2024, Oct. 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.
• Teruya 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.
• 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.
• Sanjin Choi, Takayoshi Katase, Toshio Kamiya. Hydrogen substitution effect on thermoelectric properties of BaTiO3-xHx films with low thermal conductivity, 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.
• 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.
• Tomoya Suzuki, Keisuke Ide, Takayoshi Katase, Hideo Hosono, Toshio Kamiya. What determines electron effective mass and structural stability in crystalline semiconductors with InGaZnO4 isostructures, IMID 2024, Aug. 2024.
• Takayoshi Katase, Xinyi He, Toshio Kamiya. Eco-friendly high-performance thermoelectric mixed-anion oxides, Euro-MRS, May 2024.
• Atsushi Fukuchi, Takayoshi Katase, Toshio Kamiya. Stable observation of the current-induced insulator–metal transition in nonequilibrium steady states using Ca2RuO4 epitaxial thin films, 15th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-15), May 2024.
• Atsushi Fukuchi, Takayoshi Katase, Toshio Kamiya. Stable observation of the current-induced insulator–metal transition in nonequilibrium steady states using Ca2RuO4 epitaxial thin films, 15th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-15), 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.
• 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.
• 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.
• 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.
• 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.
• 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.

国内会議発表 (査読有り)

• 樋口龍生, ホシンイ, 片瀬 貴義, 神谷 利夫. AE2ZnN2 (AE = Ca, Sr, Ba)の電子・熱伝導特性の第一原理計算, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• 椙村樹・柴山茂久・坂下満男・中塚理, 和田涼太・黒井隆, 片瀬貴義, 黒澤昌志. イオン注入法により形成したn型4H-SiC薄膜の低温熱電特性, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• 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.
• 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, 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.
• 片瀬 貴義, 牛島 廉, 小松 武人, 平松 秀典, 細野 秀雄, 神谷 利夫. 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.
• Choi Sangjin, 片瀬 貴義, 神谷 利夫. BaTiO3-xHxエピタキシャル薄膜成長と熱電特性, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• 落合 将寛, 片瀬 貴義, 神谷 利夫. 歪みを制御したSrTiO3薄膜への水素ドーピングと熱電特性, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• 青山航大, 清水荘雄, 倉持豪人, 召田雅実, 秋池良, 片瀬貴義, 木村好里, 舟窪浩. (Ba,Sr,Ca)Si2膜の作製と熱電特性評価, 第21回 日本熱電学会学術講演会, Sept. 2024.
• 瀨下亜里, 山下愛智, 片瀬貴義, 藤田武志, 三浦章, 森吉千佳子, 黒岩義弘, 中平夕貴, 水口佳一. AgBiSe2におけるハイエントロピー化に伴う熱電特性の向上, 第21回 日本熱電学会学術講演会, 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.
• 加藤高・柴山茂久・坂下満男・中塚理, Ahmad Al Ghiffari・ Rifky Syariati・石井史之, 片瀬貴義, 黒澤昌志. Si(111)基板上CaSi2エピタキシャル薄膜の低温熱電特性, 日本セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• 鈴木 朝也, 井手 啓介, 片瀬 貴義, 細野 秀雄, 神谷 利夫. 元素置換InGaZnO4の構造安定性と電子構造の支配因子, 応用物理学会第71回春季学術講演会, Mar. 2024.
• 椙村樹, 柴山茂久, 坂下満男, 中塚理, 片瀬貴義, 黒澤昌志. GaAs基板に形成したSbドープGe1−x−ySixSny薄膜の低温熱電物性, 応用物理学会第71回春季学術講演会, Mar. 2024.
• 熊谷颯士, 片瀬貴義, 平松秀典, 細野秀雄, 神谷利夫. 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.
• 老田知樹, ホシンイ, 片瀬貴義, 平松秀典, 細野秀雄, 神谷利夫. 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.
• 木村 公俊, Kuan-Ju Zhou, 井手 啓介, 片瀬 貴義, 平松 秀典, 細野 秀雄, Ting-Chang Chang, 神谷 利夫. 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.
• 片瀬貴義, ホシンイ, 木村茂, 只野央将, 松石聡, 平松秀典, 細野秀雄, 神谷利夫. 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.
• 片瀬貴義, ホシンイ, 木村茂, 只野央将, 松石聡, 平松秀典, 細野秀雄, 神谷利夫. 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.
• 牛島廉, 小松 武人, 片瀬貴義*, 平松秀典, 細野秀雄, 神谷利夫. 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.

国際会議発表 (査読なし・不明)

• Takayoshi Katase. New strategy of phonon engineering for high performance thermoelectric oxides, New Zealand – Japan workshop on emerging solid-state technology for low-enthalpy energy harvesting, Nov. 2024.
• 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. Material design of thermoelectric oxides with low thermal conductivity, Materials Science & Technology Technical Meeting and Exbibition (MS&T24), Oct. 2024.
• Toshio Kamiya, Masatoshi Kimura, Keisuke Ide, Takayoshi Katase. Tandem neural network for direct solution of multivalued inverse problem, The 4th International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA2024), Oct. 2024.
• Asato Seshita, Aichi Yamashita, Takayoshi Katase, Yoshikazu Mizuguchi. Thermoelectric property enhancement by high entropy effect in nonequilibrium cubic AgBiSe2−2xSxTex with x = 0–0.6, TMUMS2024, Sept. 2024.
• Takayoshi Katase. 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, 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, Sept. 2024.
• Takayoshi Katase. Mixed-anion oxides for eco-friendly high-performance thermoelectric materials, 14th CMCEE, Aug. 2024.
• Takayoshi Katase. Material design for thermal conductivity reduction and modulation, TMS 2024, the 153rd Annual Meeting & Exhibition, Mar. 2024.
• Takayoshi Katase. Novel ion substitution approach for high performance thermoelectric materials, 48th International Conference and Exposition on Advanced Ceramics and Composites (ICACC2024), Feb. 2024.
• Shintaro Yasui, Takayoshi Katase. Thermoelectric properties of hexagonal BaTiO3, 48th International Conference and Expo on Advanced Ceramics and Composites (ICACC2024), Feb. 2024.

国内会議発表 (査読なし・不明)

• Takayoshi Katase. Material design for thermal conductivity modulation using nonequilibrium phase boundary, 2024年 応用物理学会 秋季学術講演会, Sept. 2024.
• 片瀬貴義. 相転移材料を用いた熱・電気輸送の制御, 技術情報協会セミナー、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, July 2024.
• 片瀬貴義. 高効率熱電変換と熱制御に向けた新材料開発, 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, June 2024.
• 片瀬貴義. 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, 第5回新奇二次元デバイス・物質科学ワークショップ, June 2024.
• 片瀬貴義. 環境に優しい新熱電材料：複合アニオン酸化物, 熱電材料研究の最前線と新展開, Apr. 2024.
• 片瀬貴義. 次世代エネルギーデバイスに向けた新材料開発, 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」, Jan. 2024.

その他の論文・著書など

• 片瀬貴義, 神谷利夫. 環境に優しい熱電材料を目指して―水素を用いた酸化物の熱電変換効率改善, セラミックス 特集「熱エネルギー利用に向けた熱電変換材料・デバイス革新」, Vol. 59, No. 6, June 2024.
• 片瀬貴義, 神谷利夫. 毒性元素を含まない熱電変換材料の高性能化－新アプローチによる挑戦－, クリーンエネルギー, Vol. 33, No. 5, May 2024.
• 松浦弘泰, 高橋英史, 片瀬貴義. フォノンドラッグ効果-熱電性能向上への新アプローチ-, 固体物理, Vol. 2, p. 31-30, Feb. 2024.

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