2024

Original paper (12)

Water-soluble CaO sacrificial layer heteroepitaxially grown on yttria-stabilized zirconia substrate for large ferroelectric BaTiO3 sheets

Weikun Zhou, Lizhikun Gong, Ren Mitsuya, Diwen Chen, Hiromichi Ohta, and Tsukasa Katayama*, J. Mater. Chem. C 13, 3424-3429 (2025). (December 19, 2024) (DOI: 10.1039/D4TC04585H)

Thermopower Modulation Analyses of Effective Channel Thickness for Zn-incorporated In2O3 -based Thin-Film Transistors

Yuzhang Wu, Prashant R. Ghediya, Yuqiao Zhang, Yasutaka Matsuo, Hiromichi Ohta*, and Yusaku Magari*, Jpn. J. Appl. Phys. 63, 126501 (2024). (December 16, 2024) (DOI: 10.35848/1347-4065/ad971b) 国際共同研究, 5研究所アライアンス共同研究, 所内共同研究

Unusual crystal orientation in hexagonal HoFeO3 multiferroic films and the effect on magnetism

Binjie Chen, Jinghuang Lin, Bin Feng, Yuichi Ikuhara, Hiromichi Ohta, and Tsukasa Katayama*, Cryst. Growth Des. 24, 8439-8444 (2024). (October 3, 2024) (DOI: 10.1021/acs.cgd.4c00930)

Ferroelectric BaTiO3 Freestanding Sheets for Ultra-High-Speed Light-Driven Actuator

Lizhikun Gong, Atsushi Taguchi, Weikun Zhou, Ren Mitsuya, Hiromichi Ohta, and Tsukasa Katayama*, ACS Appl. Mater. Interfaces 16, 54146-54153 (2024). (September 27, 2024) (DOI: 10.1021/acsami.4c10044) 所内共同研究

Reliable operation in high-mobility indium oxide thin film transistors

Prashant R. Ghediya, Yusaku Magari*, Hikaru Sadahira, Takashi Endo, Mamoru Furuta, Yuqiao Zhang, Yasutaka Matsuo, and Hiromichi Ohta*, Small Methods 9, 2400578 (2025). (August 3, 2024) (DOI: 10.1002/smtd.202400578) Frontispiece, 国際共同研究, 国内共同研究, 5研究所アライアンス共同研究, 所内共同研究, 北海道大学プレスリリース, 高知工科大学プレスリリース, 北海道大学電子科学研究所

High-mobility and High-reliability Coexistence in Zn-incorporated Amorphous In2O3-based Thin-Film Transistors

Yuzhang Wu, Yusaku Magari*, Prashant Ghediya, Yuqiao Zhang, Yasutaka Matsuo, Hiromichi Ohta*, Jpn. J. Appl. Phys. 63, 076504 (2024). (July 25, 2024) (DOI: 10.35848/1347-4065/ad5ee6) 国際共同研究, 5研究所アライアンス共同研究, 所内共同研究

Solid-State Electrochemical Thermal Switches with Large Thermal Conductivity Switching Widths

Zhiping Bian, Mitsuki Yoshimura, Ahrong Jeong, Haobo Li, Takashi Endo, Yasutaka Matsuo, Yusaku Magari, Hidekazu Tanaka, Hiromichi Ohta*, Adv. Sci. 11, 2401331 (2024). (June 25, 2024) (DOI: 10.1002/advs.202401331) Open Access, 5研究所アライアンス共同研究, 所内共同研究, 北海道大学プレスリリース, 大阪大学プレスリリース, 北海道大学電子科学研究所, 大阪大学産業科学研究所, ERESTAGE LABさんのYouTube動画

Wide-range thermal conductivity modulation based on protonated nickelate perovskite oxides

Hao-Bo Li*, Zhiping Bian, Mitsuki Yoshimura, Kohei Shimoyama, Chengchao Zhong, Keiji Shimoda, Azusa N. Hattori, Kunihiko Yamauchi, Ikutaro Hamada, Hiromichi Ohta*, Hidekazu Tanaka*, Appl. Phys. Lett. 124, 191901 (2024). (May 8, 2024) (DOI: 10.1063/5.0201268) 5研究所アライアンス共同研究

Large tensile-strained BaTiO3 films grown on lattice-mismatched La-doped BaSnO3 bottom electrode

Lizhikun Gong, Ko Marunouchi, Akira Chikamatsu, Hiromichi Ohta, and Tsukasa Katayama*, CrystEngComm 26, 2765 (2024). (April 24, 2024) (DOI: 10.1039/D4CE00197D)

High-concentration doping effects of aliovalent Al and Ga on ferroelectric properties of BaTiO3 Films

Ko Marunouchi, Lizhikun Gong, Hiromichi Ohta, and Tsukasa Katayama*, Thin Solid Films 796, 140339 (2024). (April 16, 2024) (DOI: 10.1016/j.tsf.2024.140339) 物質・デバイス領域共同研究拠点

Magnetic Phase Transition-Induced Modulation of Ferroelectric Properties in Hexagonal RFeO3 (R = Tb and Ho)

Yaoming Liu, Binjie Chen, Yosuke Hamasaki, Lizhikun Gong, Hiromichi Ohta, and Tsukasa Katayama*, ACS Appl. Mater. Interfaces 16, 17832–17837 (2024). (April 1, 2024) (DOI: 10.1021/acsami.4c02475) 国内共同研究

Pure Fluorine Intercalation into Brownmillerite Oxide Thin Films by using Ionic Liquid Gating

Morito Namba, Hiroshi Takatsu, Hao-Bo Li, Kantaro Murayama, Ryo Terada, Qian Yang, Takahito Terashima, Hiromichi Ohta, and Hiroshi Kageyama*, Chem. Mater. 36, 2076-2084 (2024). (February 7, 2024) (DOI: 10.1021/acs.chemmater.3c03178) 国内共同研究

Review (1)

[1] 太田裕道, 寺崎一郎, 陳亨秦, “TECHNICAL REPORT テクニカルレポート実用的な熱電材料の単結晶化に成功－毒性元素を使わない熱電変換の実現に向けて大きく前進－”, クリーンエネルギー 33, No. 7, 10-13 (2024).

Pre-print (3)

[3] Ahrong Jeong, Mitsuki Yoshimura, Hyeonjun Kong, Zhiping Bian, Jason Tam, Bin Feng, Yuichi Ikuhara, Takashi Endo, Yasutaka Matsuo, Hiromichi Ohta*, “High-performance solid-state electrochemical thermal switches with earth-abundant cerium oxide”, Preprint at <https://arxiv.org/abs/2404.19385> (2024).

[2] Zhiping Bian, Mitsuki Yoshimura, Ahrong Jeong, Haobo Li, Takashi Endo, Yasutaka Matsuo, Yusaku Magari, Hidekazu Tanaka, Hiromichi Ohta*, “Solid-State Electrochemical Thermal Transistors with Large Thermal Conductivity Switching Widths”, Preprint at <https://arxiv.org/abs/2404.08307> (2024).

[1] Prashant R. Ghediya, Yusaku Magari*, Hikaru Sadahira, Takashi Endo, Mamoru Furuta, Yuqiao Zhang, Yasutaka Matsuo, and Hiromichi Ohta*, “Reliable operation in high-mobility indium oxide thin film transistors”, Preprint at <https://arxiv.org/abs/2404.03856> (2024).

Patent (2)

[1] 太田裕道, 曲勇作, ジョンアロン, 卞志平, 吉村充生, “熱トランジスタ”, 特願2024-018066, 2024年2月8日出願

[2] 太田裕道, 曲勇作, ゲディアプラシャントラマニクラル, 定平光, コンヒョンジュン, “水素化酸化インジウム膜形成用のセラミックターゲットとその製造方法、およびセラミックターゲットを用いた薄膜トランジスタの製造方法”, 特願2024-150613, 2024年9月2日出願

Other (1)

[1] ジョンアロン, “「海外で研究者になりたい夢」に向けて”, 日本熱電学会誌, 21[1], 7-9 (2024).

Page updated

Google Sites

Report abuse