東京工業大学 フロンティア材料研究所
神谷・片瀬 研究室

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Publications

Takayoshi Katase  Reserach map  Publons
原著論文リスト  学会発表リスト  新聞報道等  最近の解説記事

主要成果

1. 温度変化により断熱と放熱を自発的に制御する材料を開発
-結晶構造の次元性変化により熱の伝導性をスイッチ-

Y. Nishimura, T. Katase* et al., Advanced Electronic Materials 2200024 (2022).
(東工大, NIMS) プレスリリース

advelemat






1. セレン化スズ多結晶体の熱電変換性能を30倍に向上
高い電気伝導度と低い熱伝導率を両立

X. He, T. Katase* et al., Advanced Science 9, 2105958 (2022).
(東工大, NIMS) プレスリリース

advsci2






2. 金属と絶縁体を重ねて熱電変換電圧を10倍に増大
―熱電変換材料の性能向上に向けた新しい指針―

M. Kimura, T. Katase* et al., Nano Letters 21, 9240 (2021).
(東工大, NIMS, ウィーン工科大, 産総研, 九大, 阪大, 東北大) EurekAlert AAAS   プレスリリース

Nanolett





3. 酸化物に圧力を加えて、熱電変換における電気伝導率と熱起電力のトレードオフ問題を解決
―熱電変換出力を2桁増大―

T. Katase* et al., Advanced Science 8, 202102097 (2021).
(東工大, NIMS, ウィーン工科大, 北大, 東大) EurekAlert AAAS   プレスリリース

Advsci






4. 結晶構造の次元性変化を人為的に制御し 電気抵抗が3桁変化するスイッチを実現
T. Katase* et al., Science Advances 7, eabf2725 (2021).
(東工大, NIMS, 阪大) EurekAlert AAAS   プレスリリース
Sciadv







5. 廃熱を電気に変える高性能熱電素子実現へ―熱起電力の極性を多段階制御する技術を開発―
C. Yamamoto, T. Katase* et al., Advanced Functional Materials 31, 2008092 (2020).
(東工大, 都立大, 理科大, 産総研, NIMS) Physics.org   プレスリリース
Advfuncmat







6. 窓ガラスをメモリーに変えるデバイスを開発
T. Katase et al., Scientific Reports 6, 25819 (2016).
(北大, 名大) プレスリリース

7. 情報記憶容量を大幅に向上できる磁気デバイスを開発
T. Katase et al., Advanced Electronic Materials 2, 1600044 (2016).
(北大) プレスリリース

8. イオンを網目状に整列させると磁石になる薄膜を開発
T. Katase et al., Advanced Electronic Materials 1, 1500199 (2015).
(北大, 名大, 東大)

9. オンデマンド赤外線&導電率制御デバイス
T. Katase et al., Advanced Electronic Materials 1, 1500063 (2015).
(北大, 東大) プレスリリース

10. 鉄系超伝導体の絶縁体親物質が電界により金属状態へ転移-超伝導転移温度の高温化に手がかり-
T. Katase et al., Proc. Natl. Acad. Sci. USA 111, 3979 (2014).
(東工大) プレスリリース

11. 鉄系超伝導体の線材・マグネット応用へ明るい兆し-銅酸化物系より優れた粒界特性を解明-
T. Katase et al., Nature Communications 2, 409 (2011).
(東工大、超電導工研、ロスアラモス国立研) プレスリリース

12. 鉄系超伝導体を使った量子情報デバイスを実現
T. Katase et al., Applied Physics Letters 96, 142507 (2010).
(東工大、超電導工研)


原著論文

2022
90. Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, and Toshio Kamiya, "Degenerated Hole Doping and Ultra-Low Lattice Thermal Conductivity in Polycrystalline SnSe by Nonequilibrium Isovalent Te Substitution", Advanced Science 9, 202105958 (2022).
89. Y. Nishimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Suguru Kitani, Kota Hanzawa, Shigenori Ueda, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, and Toshio Kamiya, "Electronic and Lattice Thermal Conductivity Switching by 3D-2D Crystal Structure Transition in Nonequilibrium (Pb1-xSnx)Se", Advanced Electronic Materials 2200024 (2022).
88. Nozomi Soya, Takayoshi Katase, and Kazuya Ando, "Elastic and Inelastic Spin Transport in SrTiO3-based Magnetic Heterostructure", Advanced Electronic Materials 2200232 (2022).
87. Xinyi He, Jinshuai Chen, Takayoshi Katase, Makoto Minohara, Keisuke Ide, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, and 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 (2022).
86. Akihiro Shiraishi, Shigeru Kimura, Xinyi He, Naoto Watanabe, Takayoshi Katase, Keisuke Ide, Makoto Minohara, Kosuke Matsuzaki, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, and 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 (2022).
85. Hiroshi Mizoguchi, Sang-Won Park, Takayoshi Katase, Jiaohao Yu, Junjie Wang, and Hideo Hosono, "Unique Conduction Band Minimum of Semiconductors Possessing a Zincblende-Type Framework", Inorg. Chem. (2022).
84. K. Li, A. Shimizu, X. He, K. Ide, K. Hanzawa, K. Matsuzaki, T. Katase, H. Hiramatsu, H. Hosono, Q. Zhang, and T. Kamiya, "Low Residual Carrier Density and High In-Grain Mobility in Polycrystalline Zn3N2 Films on a Glass Substrate", ACS Appl. Electron. Mater. 4, 2026-2031 (2022).
83. 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, and Taro Hitosugi, "Repeatable Photoinduced Insulator-to-Metal Transition in Yttrium Oxyhydride Epitaxial Thin Films", Chem. Mater. 34, 3616-3623 (2022).
82. Makoto Minohara, Naoto Kikuchi, TKouhei Tsukada, Yuka, Dobashi, Akane Samizo, Keishi Nishio, Xinyi He, Takayoshi Katase, Toshio Kamiya, and Yoshihiro Aiura, "Effect of intentional chemical doping on crystallographic and electric properties of the pyrochlore Bi2Sn2O7", Materials & Design 216, 110549 (2022).
81. Md. Raid Kasem, Ryota Ishii, Takayoshi Katase, Osuke Miura, and Yoshikazu Mizuguchi, "Tuning of carrier concentration and superconductivity in high-entropy-alloy-type metal telluride (AgSnPbBi)(1-x)/4InxTe", J. Alloy Compd. 920, 166013 (2022).
80. Kohei Yamamoto, Tomoyuki Tsuyama, Suguru Ito, Kou Takubo, Iwao Matsuda, Niko Pontius, Christian Schusler-Langeheine, Makoto Minohara, Hiroshi Kumigashira, Yuichi Yamasaki, Hironori Nakao, Youichi Murakami, Takayoshi Katase, Toshio Kamiya and Hiroki Wadati, "Photoinduced transient states of antiferromagnetic orderings in La1/3Sr2/3FeO3 and SrFeO3-δ thin films observed through time-resolved resonant soft x-ray scattering", New J. Phys. 24, 043012 (2022).

2021
79. 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, and Toshio Kamiya, "Large phonon drag thermopower boosted by massive electrons and phonon leaking in LaAlO3/LaNiO3/LaAlO3 heterostructure", Nano Lett. 21, 9240 (2021).
78. 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, and Toshio Kamiya, "Breaking of thermopower - conductivity trade-off in LaTiO3 film around Mott insulator to metal transition", Adv. Sci. 8, 202102097 (2021).
77. Takayoshi Katase, Yudai Takahashi, Xinyi He, Terumasa Tadano, Keisuke Ide, Hideto Yoshida, Shiro Kawachi, Junichi Yamaura, Masato Sasase, Hidenori Hiramatsu, Hideo Hosono, and Toshio Kamiya, "Reversible 3D-2D structural phase transition and giant electronic modulation in non-equilibrium alloy semiconductor, lead-tin-selenide", Science Adv. 7, eabf2725 (2021).
76. Hiroshi Mizoguchi, Sang-Won Park, Takayoshi Katase, Grigori V. Vajenine, Joonho Bang, Junghwan Kim, and Hideo Hosono, "Origin of metallic nature of Na3N", J. Am. Chem. Soc. 143, 69-72 (2021).
75. Xinyi He, Takayoshi Katase, Keisuke Ide, Hideo Hosono, and Toshio Kamiya, "Ion substitution effect on defect formation in two-dimensional transition metal nitrides semiconductor, AETiN2 (AE = Ca, Sr, Ba)", Inorg. Chem. 60, 10227-10234 (2021).
74. Atsushi-Tsurumaki Fukuchi, Takayoshi Katase, Hiromichi Ohta, Masashi Arita, and Yasuo Takahashi, "Nanoscale Probing of Field-Driven Ion Migration in TaOx for Neuromorphic Memristor Applications", ESC Trans. 104, 93 (2021).
73. Kohei Yamagami, Keisuke Ikeda, Atushi Hariki, Yujun Zhang, Akira Yasui, Yasumasa Takagi, Takayoshi Katase, Toshio Kamiya, and Hiroki Wadati, "Hard x-ray photoemission study on strain effect in LaNiO3 thin films", Appl. Phys. Lett. 118, 161601 (2021).
72.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, "Superconductivity in In-doped AgSnBiTe3 with possible band inversion", Sci. Rep. 11, 22885 (2021)

2020
71. Chihiro Yamamoto, Xinyi He, Takayoshi Katase, Keisuke Ide, Yosuke Goto, Yoshikazu Mizuguchi, Akane Samizo, Makoto Minohara, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, and Toshio Kamiya, "Double charge polarity switching in Sb-doped SnSe with switchable substitution sites", Adv. Funct. Mater. 31, 2008092 (2020).
70. Sanlue Hu, Bing Xia, Yang-Peng Lin, Takayoshi Katase, Jun Fujioka, Toshio Kamiya, Hideo Hosono, Ke-Zhao Du, and Zewen Xiao, "p-Type Transparent Quadruple Perovskite Chloride Conductors: Fact or Fiction?", Adv. Funct. Mater. 30, 1909906 (2020).
69. Tianshu Zhai, Rongbin Wang, Takayoshi Katase, Frances Quigley, Hiromichi Ohta, Patrick Amsalem, Norbert Koch, and Steffen Duhm, "Substrate-independent energy-level pinning of an organic semiconductor provides versatile hole-injection electrodes", ACS Appl. Electron. Mater. 2, 3994-4001 (2020).
68. Christian A. Niedermeier, Keisuke Ide, Takayoshi Katase, Hideo Hosono, and Toshio Kamiya, "Shallow valence band of rutile GeO2 and p-type doping", J. Phys. Chem. C 124, 25721-25728 (2020).
67. Yildirhan Oner, Cihat Boyraz, Hidenori Hiramatsu, Takayoshi Katase, and Hideo Hosono, "Coexistence of magnetism and superconductivity in thin film of the Fe-based superconductor Ba1-xLaxFe2As2", J. Phys.: Condens. Mater 32, 485804 (2020).
66. Atsushi Tsurumaki-Fukuchi, Keiji Tsubaki, Takayoshi Katase, Toshio Kamiya, Masashi Arita, and Yasuo Takahashi, "Stable and Tunable Current-Induced Phase Transition in Epitaxial Thin Films of Ca2RuO4", ACS Appl. Mater. Interfaces 12, 28368-28374 (2020).
65. Christian A. Niedermeier, Yu Kumagai, Keisuke Ide, Takayoshi Katase, Fumiyasu Oba, Hideo Hosono, and Toshio Kamiya, "Phonon scattering limited mobility in the representative cubic perovskite semiconductors SrGeO3, BaSnO3, and SrTiO3", Phys. Rev. B 101, 125206 (2020).
64. Kodai Aoyama, Takao Shimizu, Hideto Kuramochi, Masami Mesuda, Ryo Akiike, Keisuke Ide, Takayoshi Katase, Toshio Kamiya, Yoshisato Kimura, and Hiroshi Funakubo, "Fabrication and characterization of (CaxSr1-x)Si2 films prepared by co-sputtering method", MRS Advances 5, 451-458 (2020).
63. Kodai Aoyama, Takao Shimizu, Hideto Kuramochi, Masami Mesuda, Ryo Akiike, Keisuke Ide, Takayoshi Katase, Toshio Kamiya, Yoshisato Kimura, and Hiroshi Funakubo, "Thermoelectric (BaxSr1-x)Si2 films prepared by sputtering method over the bariumsolubility limit", Jpn. J. Appl. Phys. 59, SFFB02 (2020).
62. Tomoya Oshikiri, Hiroki Sawayanagi, Keisuke Nakamura, Kosei Ueno, Takayoshi Katase, Hiromichi Ohta, and Hiroaki Misawa, "Arbitrary control of the diffusion potential between a plasmonic metal and a semiconductor by an angstrom-thick interface dipole layer", J. Chem. Phys. 152, 034705 (2020).

2019
61. Christian A. Niedermeier, Junichi Yamaura, Jiazhen Wu, Xinyi He, Takayoshi Katase, Hideo Hosono, and Toshio Kamiya, "Crystal structure built from a GeO6-GeO5 polyhedra network with high thermal stability: b-SrGe2O5", ACS Appl. Electron. Mater. 1, 1989-1993 (2019).
60. Kosuke Matsuzaki, Takayoshi Katase, Toshio Kamiya, and Hideo Hosono,"Symmetric Ambipolar Thin-Film Transistors and High-Gain CMOS-like Inverters Using Environmentally Friendly Copper Nitride", ACS Appl. Mater. Interfaces 11, 35132-35137 (2019).
59. Jumpei Matsumoto, Kota Hanzawa, Masato Sasase, Silvia Haindl, Takayoshi Katase, Hidenori Hiramatsu, and Hideo Hosono, "Superconductivity at 48 K of heavily hydrogen-doped SmFeAsO epitaxial films grown by chemical topotactic reaction using CaH2", Phys. Rev. Mater. 3, 103401 (2019).
58. Xinyi He, Zewen Xiao, Takayoshi Katase, Keisuke Ide, Hideo Hosono, and Toshio Kamiya, "Intrinsic and Extrinsic Defects in Layered Nitride Semiconductor, SrTiN2", J. Phys. Chem. C 123, 19307-19314 (2019).
57. Chia-En Wu, Keisuke Ide, Takayoshi Katase, Hidenori Hiramastu, Hideo Hosono, Chih-Lung Lin, and Toshio Kamiya, "New Amorphous In-Ga-Zn-O Thin-Film Transistor-Based Optical Pixel Sensor for Optical Input Signal with Short Wavelength", IEEE Trans. Electron Devices 66, 3841-3846 (2019).
56. Keisuke Ide, Yuki Futakado, Naoto Watanabe, Junghwan Kim, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono and Toshio Kamiya, "Transition metal-doped amorphous oxide semiconductor thin-film phosphor, chromium-doped amorphous gallium oxide", physica status solidi A 216, 1800198 (2019).
55. Keisuke Ide, Kyohei Ishikawa, Haochun Tang, Takayoshi Katase, Hidenori Hiramatsu, Hideya Kumomi, Hideo Hosono, and Toshio Kamiya, "Effects of Base Pressure on Growth and Optoelectronic Properties of Amorphous In‐Ga‐Zn‐O: Ultralow Optimum Oxygen Supply and Bandgap Widening", physica status solidi A 216, 1700832 (2019).
54. Naoto Watanabe, Keisuke Ide, Junghwan Kim, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, and Toshio Kamiya, "Multiple Color Inorganic Thin‐Film Phosphor, RE ‐Doped Amorphous Gallium Oxide (RE = Rare Earth: Pr, Sm, Tb, and Dy), Deposited at Room Temperature", physica status solidi A 216, 1700833 (2019).
53. Takayoshi Katase and Hiromichi Ohta, "Surface charge accumulation and electrochemical protonation of transition metal oxides using water-infiltrated nanoporous glass", Semicond. Sci. Technol. 34, 123001 (2019).
52. Takayoshi Katase and Hiromichi Ohta, "Oxide-based optical, electrical, and magnetic properties switching devices with water-incorporated gate insulator", Jpn. J. Appl. Phys. 58, 090501 (2019).

2018
51. Rongbin Wang, Takayoshi Katase, Ke-Ke Fu, Tianshu Zhai, Jiacheng Yang, Qiankun Wang, Hiromichi Ohta, Norbert Koch, and Steffen Duhm, "Oxygen vacancies allow tuning the work function of vanadium dioxide", Adv. Mater. Interfaces 5, 1801033 (2018).
50. Ryota Sogabe, Yosuke Goto, Atsuhiro Nishida, Takayoshi Katase, and Yoshikazu Mizuguchi, "Superconductivity in La1-xCexOBiSSe: Carrier doping by mixed valence of Ce ions", Euro. Phys. Lett. 122 (2018) 17004.
49. Keisuke Nakamura, Tomoya Oshikiri, Kosei Ueno, Takayoshi Katase, Hiromichi Ohta, and Hiroaki Misawa, "Plasmon-assisted polarity switching of a photoelectric conversion device by UV and visible light irradiation", J. Phys. Chem. C 122, 14064-14071 (2018).
48. Ke-Ke Fu, Rong-Bin Wang, Takayoshi Katase, Hiromichi Ohta, Norbert Koch, and Steffen Duhm, "Stoichiometric and Oxygen-Deficient VO2 as Versatile Hole Injection Electrode for Organic Semiconductors", ACS Appl. Mater. Interfaces 10, 10552-10559 (2018).
47. Amit Khare, Jaekwang Lee, Jaesoung Park, Gi-Yeop Kim, Si-Young Choi, Takayoshi Katase, Seulki Roh, Tae Sup Yoo, Jungseek Hwang, Hiromichi Ohta, Junwoo Son, and Woo Seok Choi, "Directing Oxygen Vacancy Channel in SrFeO2.5 Epitaxial Thin Films", ACS Appl. Mater. Interfaces 10, 4831-4837 (2018).

2017
46. Kensuke Kobayashi, Akiko Nakao, Sachiko Maki, Jun-ichi Yamaura, Takayoshi Katase, Hikaru Sato, Hajime Sagayama, Yoshio Kuramoto, Reiji Kumai, Youichi Murakami, Hidenori Hiramatsu, and Hideo Hosono, "Structure determination in thin film Ba1-xLaxFe2As2 : Relation between the FeAs4 geometry and superconductivity", Phys. Rev. B 96, 125116 (2017).
45. Takayoshi Katase, Yuki Suzuki, and Hiromichi Ohta, "Highly conducting leakage-free electrolyte for SrCoOx-based non-volatile memory device", J. Appl. Phys. 122, 135303 (2017).
44. Takayoshi Katase, Kenji Endo, and Hiromichi Ohta, "Infrared-transmittance tunable metal-insulator switching device on a glass substrate", APL Mater. 5, 056105 (2017).
43. Shota Katayama, Takayoshi Katase, Tetsuya Tohei, Bin Feng, Yuichi Ikuhara, and Hiromichi Ohta, "Reactive solid-phase epitaxy and electrical conductivity of layered sodium manganese oxide films", Cryst. Growth Des. 17, 1849-1856 (2017).
42. Takayoshi Katase and Hiromichi Ohta, "Transition-metal-oxide based functional thin-film device using leakage-free electrolyte", J. Ceram. Soc. Jpn. 125 (2017) 608-615.

2016
41. Takayoshi Katase, Takaki Onozato, Misako Hirono, Taku Mizuno, and Hiromichi Ohta, "A transparent electrochromic metal-insulator switching device with three-terminal transistor geometry", Sci. Rep. 6, 25819 (2016).
40. Takayoshi Katase, Yuki Suzuki, and Hiromichi Ohta, "Reversibly switchable electromagnetic device with leakage-free electrolyte", Adv. Electron. Mater. 2, 1600044 (2016).
39. Takayoshi Katase, Kenji Endo, and Hiromichi Ohta, "Electrolysis-induced protonation of VO2 thin film transistor for the metal-insulator phase modulation", Proc. SPIE 9749, 974916 (2016).
38. Ning Li, Takayoshi Katase, Yanbei Zhu, Takao Matsumoto, Tomonari Umemura, Yuichi Ikuhara, and Hiromichi Ohta, "Solid-liquid phase epitaxial growth of Li4Ti5O12 thin film", Appl. Phys. Express 9, 125501 (2016).
37. Takaki Onozato, Takayoshi Katase, Akira Yamamoto, Shota Katayama, Koichi Matsushima, Naho Itagaki, Hisao Yoshida, and Hiromichi Ohta, "Optoelectronic properties of valence-state-controlled amorphous niobium oxide", J. Phys. Condens. Matter 28, 255001 (2016).

2015
36. Takayoshi Katase, Hidefumi Takahashi, Tetsuya Tohei, Yuki Suzuki, Michihiko Yamanouchi, Yuichi Ikuhara, Ichiro Terasaki, and Hiromichi Ohta, "Solid-phase epitaxial growth of A-site-ordered perovskite Sr4-xErxCo4O12-δ : a room temperature ferrimagnetic p-type semiconductor", Adv. Electron. Mater. 1 (2015) 1500199.
35. Takayoshi Katase, Kenji Endo, and Hiromichi Ohta, "Thermopower analysis of metal-insulator transition temperature modulations in vanadium dioxide thin films with lattice distortion", Phys. Rev. B 92 (2015) 035302.
34. Takayoshi Katase, Kenji Endo, Tetsuya Tohei, Yuichi Ikuhara, and Hiromichi Ohta, "Room-temperature-protonation-driven on-demand metal-insulator conversion of a transition metal oxide", Adv. Electron. Mater. 1 (2015) 1500063.
33. Takayoshi Katase, Kenji Endo, and Hiromichi Ohta, "Characterization of electronic structure around metal-insulator transition in V1-xWxO2 thin films by thermopower measurement", J. Ceram. Soc. Jpn. 123 (2015) 307-311.

2014
32. Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, and Hideo, Hosono, "Electric double-layer transistor using layered iron selenide Mott insulator TlFe1.6Se2", Proc. Natl. Acad. Sci. USA 111 (2014) 3979-3983.
31. Takayoshi Katase, Kenji Endo, and Hiromichi Ohta, "Thermopower analysis of the electronic structure around metal-insulator transition in V1-xWxO2", Phys. Rev. B 90 (2014) 161105(R).
30. Hidenori Hiramatsu, Hikaru Sato, Takayoshi Katase, Toshio Kamiya, and Hideo Hosono, "Critical factor for epitaxial growth of cobalt-doped BaFe2As2 films by pulsed laser deposition", Appl. Phys. Lett. 104 (2014) 172602.

2013
29. Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, and Hideo, Hosono, "Magnetic scattering and electron pair breaking by rare-earth-ion substitution in BaFe2As2 epitaxial films", New J. Phys. 15 (2013) 073019.
28. Takayoshi Katase, Hikaru Sato, Hidenori Hiramatsu, Toshio Kamiya, and Hideo Hosono, "Unusual pressure effects on the superconductivity of indirectly electron-doped (Ba1-xLax)Fe2As2 epitaxial films", Phys. Rev. B 88 (2013) 140503(R).
27. Yoshinori Imai, Fuyuki Nabeshima, Daisuke Nakamura, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, and Atsutaka Maeda, "Ultralow-Dissipative Conductivity by Dirac Fermions in BaFe2As2", J. Phys. Soc. Jpn 82 (2013) 043709.
26. Hikaru Sato, Takayoshi Katase, Won Nam Kang, Hidenori Hiramatsu, Toshio Kamiya, and Hideo Hosono, "Anomalous scaling behavior in a mixed-state Hall effect of a cobalt-doped BaFe2As2 epitaxial films with a high critical current density over 1MA/cm2", Phys. Rev. B 87 (2013) 064504.
25. Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, and Hideo Hosono, "Superconducting properties and phase diagram of indirectly electron-doped (Sr1-xLax)Fe2As2 epitaxial films grown by pulsed laser deposition", IEEE Trans. Appl. Supercond. 23 (2013) 7300405.

2012
24. Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, and Hideo, Hosono, "Thin film growth by pulsed laser deposition and properties of 122-type iron-based superconductor AE(Fe1-xCox)2As2 (AE= alkaline earth)", Supercond. Sci. Technol. 25 (2012) 084015.
23. Boris A. Maiorov, Takayoshi Katase, Igor O. Usov, Marcus Weigand, Leonardo Civale, Hidenori Hiramatsu, and Hideo Hosono, "Competition and cooperation of pinning by extrinsic point-like defects and intrinsic strong columnar defects in BaFe2As2 thin films", Phys. Rev. B 86 (2012) 094513.
22. Takayoshi Katase, Soshi Iimura, Hidenori Hiramatsu, Toshio Kamiya, and Hideo Hosono, "Identical effects of indirect and direct electron doping of superconducting BaFe2As2 thin films", Phys. Rev. B 85 (2012) 140516(R).
21. Hidenori Hiramatsu, Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Toshio Kamiya, Keiichi Tanabe, and Hideo Hosono, "Microstructure and transport properties of [001]-tilt bicrystal grain boundaries in iron pnictide superconductor, cobalt-doped BaFe2As2", Mater. Sci. Eng. B 177 (2012) 515-519.
20. Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, and Hideo Hosono, "Thin film growth and device fabrication of iron-based superconductors", J. Phys. Soc. Jpn. 81 (2012) 011011.

2011
19. Takayoshi Katase, Hidenori Hiramatsu, Vladimir Matias, Chris Sheehan, Yoshihiro Ishimaru, Toshio Kamiya, Keiichi Tanabe, and Hideo Hosono, "Biaxially textured cobalt-doped BaFe2As2 films with high critical current density over 1 MA/cm2 on MgO-buffered metal-tape flexible substrates", Appl. Phys. Lett. 98 (2011) 242510.
18. Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, and Hideo Hosono, "Advantageous grain boundaries in iron pnictide superconductors", Nature Commun. 2 (2011) 409. Nature Japanの注目論文に選出
17. Boris A. Maiorov, Takayoshi Katase, Scott A. Baily, Hidenori Hiramatsu, Terry G. Holesinger, Hideo Hosono, and Leonardo Civale, "Liquid vortex phase and strong c-axis pinning in low anisotropy BaCoxFe2-xAs2 pnictide films", Supercond. Sci. Technol. 24 (2011) 055007.
16. Daisuke Nakamura, Takanori Akiike, Hideyuki Takahashi, Fuyuki Nabeshima, Yoshinori Imai, Atsutaka Maeda, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, Seiki Komiya, and Ichiro Tsukada, "Terahertz conductivity measurement of FeSe0.5Te0.5 and Co-doped BaFe2As2 thin films", Physica C 471 (2011) 634-638.
15. Shyam Mohan, Toshihiro Taen, Hidenori Yagyuda, Yasuyuki Nakajima, Tsuyoshi Tamegai, Takayoshi Katase, Hidenori Hiramatsu, Hideo Hosono, "Characterization of epitaxial Co-doped BaFe2As2 thin films", Physica C 471 (2011) 1181-1184.

2010
14. Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, and Hideo Hosono, "DC superconducting quantum interference devices fabricated using bicrystal grain boundary junctions in Co-doped BaFe2As2 epitaxial films", Supercond. Sci. Technol. 23 (2010) 082001. (Selected for the Cover Picture of vol. 23, Number 8 of Supercond. Sci. Technol. (August 2010). Also selected for Top 25 among the 100 feature articles in the IOP journals as celebrating 100 years of superconductivity.)
13. Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya, and Hideo Hosono, "High critical current density 4 MA/cm2 in Co-doped BaFe2As2 epitaxial films grown on (La,Sr)(Al,Ta)O3 substrates without buffer layers", Appl. Phys. Express 3 (2010) 063101.
12. Takayoshi Katase, Yoshihiro Ishimaru, Akira Tsukamoto, Hidenori Hiramatsu, Toshio Kamiya, Keiichi Tanabe, and Hideo Hosono, "Josephson junction in cobalt-doped BaFe2As2 epitaxial thin films on (La,Sr)(Al,Ta)O3 bicrystal substrates", Appl. Phys. Lett. 96 (2010) 142507.
11. Takayoshi Katase, Kenji Nomura, Hiromichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Fabrication of atomically flat ScAlMgO4 epitaxial buffer layer and low-temperature growth of high-mobility ZnO films", Cryst. Growth Des. 10 (2010) 1084-1089.
10. Toshio Kamiya, Hidenori Hiramatsu, Takayoshi Katase, Masahiro Hirano, and Hideo Hosono, "Impurities in FeAs-based superconductor, SrFe2As2, studied by first-principles calculations", Mater. Sci. Eng. B 173 (2010) 244-247.
9. Shyam Mohan, Toshihiro Taen, Hidenori Yagyuda, Yasuyuki Nakajima, Tsuyoshi Tamegai, Takayoshi Katase, Hidenori Hiramatsu, and Hideo Hosono, "Transport and magnetic properties of Co-doped BaFe2As2 epitaxial thin films grown on MgO substrate", Supercond. Sci. Technol. 173 (2010) 244-247.
8. Tomomasa Shinozaki, Kenji Nomura, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Fabrication of GaN epitaxial thin film on InGaZnO4 single-crystalline buffer layer", Thin Solid Films 518 (2010) 2996-2999.

2009
7. Takayoshi Katase, Hidenori Hiramatsu, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Atomically-flat, chemically-stable, superconducting epitaxial thin film of iron-based superconductor, cobalt-doped BaFe2As2", Solid State Commun. 149 (2009) 2121-2124.
6. Takayoshi Katase, Kenji Nomura, Hiromichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Large domain growth of GaN epitaxial films on lattice-matched buffer layer ScAlMgO4", Mater. Sci. Eng. B 161 (2009) 66-70.
5. Tomofumi Susaki, Sho Kumada, Takayoshi Katase, Kosuke Matsuzaki, Masashi Miyakawa, and Hideo Hosono, "Fabrication of flat MgO(111) films on Al2O3(0001) substrates by pulsed laser deposition", Appl. Phys. Express 2 (2009) 091403.
4. Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Water-induced superconductivity in SrFe2As2", Phys. Rev. B 80 (2009) 052501. (Highlighted in Nature Materials 8 (2009) 370.)

2008
3. Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Heteroepitaxial growth and optoelectronic properties of layered iron oxyarsenide, LaFeAsO", Appl. Phys. Lett. 93 (2008) 162504.
2. Hidenori Hiramatsu, Takayoshi Katase, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Superconductivity in epitaxial thin films of Co-doped SrFe2As2 with bilayered FeAs structures and their magnetic anisotropy", Appl. Phys. Express 1 (2008) 101702.
1. Takayoshi Katase, Kenji Nomura, Hiromichi Ohta, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, and Hideo Hosono, "Fabrication of ScAlMgO4 epitaxial thin films using ScGaO3(ZnO)m buffer layers and its application to lattice-matched buffer layer for ZnO epitaxial growth", Thin Solid Films 516 (2008) 5842-5846.


新聞報道等

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最近の解説記事

片瀬貴義、神谷利夫「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」 セラミックス 第57巻 第2号 114ページ (2022).
片瀬貴義「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」 日本熱電学会誌 第18巻 第3号 147ページ (2022).
片瀬貴義「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」 日本熱電学会誌 第18巻 第3号 148ページ (2022).
片瀬貴義、神谷利夫「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」 クリーンエネルギー Vol. 30, No. 4, p. 19-21 (2021).
片瀬貴義、神谷利夫「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」 自動車技術「超の世界」 Vol. 75, No. 12, p. 118-119 (2021).
片瀬貴義、神谷利夫「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」 クリーンエネルギー Vol. 31, No. 3, p. 37-43 (2021).