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Original paper (10)
Original paper (10)
Fluoride-target-assisted growth of Pb2OF2 oxyfluoride films with anion ordering and high dielectric constant
Fluoride-target-assisted growth of Pb2OF2 oxyfluoride films with anion ordering and high dielectric constant
Rion Muraki, Ko Marunouchi, Weikun Zhou, Akira Chikamatsu, Hiromichi Ohta, and Tsukasa Katayama*, J. Mater. Chem. C, 13, 21106-21110 (2025). (September 16, 2025) (DOI: 10.1039/D5TC01975C) 物質・デバイス領域共同研究拠点
Fabrication and light-driven displacement of ferroelectric freestanding epitaxial sheets of lead lanthanum zirconate titanate
Fabrication and light-driven displacement of ferroelectric freestanding epitaxial sheets of lead lanthanum zirconate titanate
Weikun Zhou, Atsushi Taguchi*, Lizhikun Gong, Ren Mitsuya, Diwen Chen, Hiromichi Ohta, and Tsukasa Katayama*, Small 21, e06585 (2025). (August 29, 2025) (DOI: 10.1002/smll.202506585) 所内共同研究
Selective reduction in epitaxial SrFe0.5Co0.5O2.5 and its reversibility
Selective reduction in epitaxial SrFe0.5Co0.5O2.5 and its reversibility
Joonhyuk Lee, Yu-Seong Seo, Krishna Chaitanya Pitike, Gowoon Kim, Sangkyun Ryu, Hyeyun Chung, Su Ryang Park, Sangmoon Yoon, Younghak Kim, Valentino R. Cooper, Hiromichi Ohta, Jinhyung Cho, and Hyoungjeen Jeen*, Nature Commun. 16, 7391 (2025). (August 15, 2025) (DOI: 10.1038/s41467-025-62612-1) Altmetric, オープンアクセス, 国際共同研究, 物質・デバイス領域共同研究拠点, 北海道大学プレスリリース(英文), 釜山大学校プレスリリース(英文), LinkedIn
Indium Hydroxide Ceramic Targets: A Breakthrough in High-Mobility Thin-Film Transistor Technology
Indium Hydroxide Ceramic Targets: A Breakthrough in High-Mobility Thin-Film Transistor Technology
Hikaru Sadahira, Prashant Ghediya, Hyeonjun Kong, Akira Miura, Yasutaka Matsuo, Hiromichi Ohta*, and Yusaku Magari*, ACS Appl. Electron. Mater. 7, 6952-6959 (2025). (DOI: 10.1021/acsaelm.5c00829) Altmetric, 学内共同研究, 北海道大学プレスリリース, 物質・デバイス領域共同研究拠点
Thermoelectric Performance Boost by Chemical Order in Epitaxial L21 (100) and (110) Oriented undoped Fe2VAl Thin Films: An Experimental and Theoretical Study
Thermoelectric Performance Boost by Chemical Order in Epitaxial L21 (100) and (110) Oriented undoped Fe2VAl Thin Films: An Experimental and Theoretical Study
José María Domínguez-Vázquez, Olga Caballero-Calero, Ketan Lohani, José J. Plata, Antonio M. Marquez, Cristina V. Manzano, Miguel Ángel Tenaguillo, Hiromichi Ohta, Alfonso Cebollada, Andres Conca*, and Marisol Martín-González, J. Mater. Chem. A 13, 24716-24726 (2025). (July 3, 2025) (DOI: 10.1039/D5TA02619A) 国際共同研究
Millimeter-Sized Epitaxial Ferroelectric BaTiO3 Freestanding Sheets Peeled from Al2O3 Substrates
Millimeter-Sized Epitaxial Ferroelectric BaTiO3 Freestanding Sheets Peeled from Al2O3 Substrates
Weikun Zhou, Diwen Chen, Ren Mitsuya, Hiromichi Ohta, and Tsukasa Katayama*, ACS Appl. Electron. Mater. 7, 4552-4556 (2025). (DOI: 10.1021/acsaelm.5c00411)
Controlling thermal conductivity of amorphous SiOx films through structural engineering utilizing single crystal substrate surfaces
Controlling thermal conductivity of amorphous SiOx films through structural engineering utilizing single crystal substrate surfaces
Katelyn A. Kirchner#, Sohei Ogasawara#, Melbert Jeem, Hiromichi Ohta, Akihiro Suzuki, Hiroo Tajiri, Tomoyuki Koganezawa, Loku Singgappulige Rosantha Kumara, Junji Nishii, John C. Mauro, Yasutaka Matsuo and Madoka Ono*, Nano Lett. 25, 7748-7753 (2025) (April 14, 2025) (DOI: 10.1021/acs.nanolett.5c00646) 東北大学共同研究, 北海道大学プレスリリース(和文), 東北大学プレスリリース（和文）
Epitaxial growth of triple-layered brownmillerite cobalt oxide Sr4Co3O9
Epitaxial growth of triple-layered brownmillerite cobalt oxide Sr4Co3O9
Hao-Bo Li*, Shunsuke Kobayashi, Weitao Yan, Binjie Chen, Tong Zhu, Morito Namba, Yoshinori Kotani, Hiroshi Takatsu, Takahito Terashima, Kei Nakayama, Akihide Kuwabara, A. N. Hattori, Wei-Hua Wan, Hiromichi Ohta, Hidekazu Tanaka*, Hiroshi Kageyama*, Inorg. Chem. 64, 6589-6596 (2025). (March 24, 2025) (DOI: 10.1021/acs.inorgchem.4c05507) クロスオーバーアライアンス
Systematic Investigation of Charge Transport and Thermoelectric Properties in Semicrystalline Polymers: Electrochemical Doping Effects on Doping Level and Temperature Dependence Using One Sample
Systematic Investigation of Charge Transport and Thermoelectric Properties in Semicrystalline Polymers: Electrochemical Doping Effects on Doping Level and Temperature Dependence Using One Sample
Shun-ichiro ITO, Hisaaki Tanaka, Yugo Oshima, Kaito Kanahashi, Hiroshi Ito, Binjie Chen, Hiromichi Ohta, Taishi Takenobu*, Appl. Phys. Express 18, 021002 (2025). (February 17, 2025) (DOI: 10.35848/1882-0786/adb23e) Open Access, 物質・デバイス領域共同研究拠点
High-performance solid-state electrochemical thermal switches with earth-abundant cerium oxide
High-performance solid-state electrochemical thermal switches with earth-abundant cerium oxide
Ahrong Jeong, Mitsuki Yoshimura, Hyeonjun Kong, Zhiping Bian, Jason Tam, Bin Feng, Yuichi Ikuhara, Takashi Endo, Yasutaka Matsuo, and Hiromichi Ohta*, Science Adv. 11, eads6137 (2025). (January 1, 2025) (DOI: 10.1126/sciadv.ads6137) Open Access, Altmetric, 所内共同研究, 北海道大学プレスリリース(和文), 北海道大学プレスリリース(英文), 北海道大学電子科学研究所
Pre-print (2)
Pre-print (2)
[2] José María Domínguez-Vázquez, Olga Caballero-Calero, Ketan Lohani, José J. Plata, Antonio M. Marquez, Cristina V. Manzano, Miguel Ángel Tenaguillo, Hiromichi Ohta, Alfonso Cebollada, Andres Conca, and Marisol Martín-González, “Thermoelectric Performance Boost by Chemical Order in Epitaxial L21 (100) and (110) Oriented undoped Fe2VAl Thin Films: An Experimental and Theoretical Study”, arXiv:2503.21575
[1] Hikaru Sadahira, Prashant R. Ghediya, Hyeonjun Kong, Akira Miura, Yasutaka Matsuo, Hiromichi Ohta*, and Yusaku Magari*, “Indium Hydroxide Ceramic Targets: A Breakthrough in High-Mobility Thin-Film Transistor Technology”, arXiv:2507.11011
Patent (1)
Patent (1)
[1] Hiromichi Ohta, Yusaku Magari, Ahrong Jeong, Zhiping Bian, Mitsuki Yoshimura, “Thermal transistor”, PCT/JP2025/002559, January 28th, 2025 Submitted
Other (1)
Other (1)
[1] 太田裕道, 片山司, ジョンアロン, “新 研究室紹介 北海道大学 電子科学研究所 薄膜機能材料研究分野 太田・片山研究室”, セラミックス 60 [10], 727 (2025).
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