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Original paper (11)
Original paper (11)
Experimental Determination of Carrier Effective Mass and Cross-plane Thermal Conductivity in Mist-CVD-Grown Ge-Doped α-Ga2O3 Epitaxial Films
Experimental Determination of Carrier Effective Mass and Cross-plane Thermal Conductivity in Mist-CVD-Grown Ge-Doped α-Ga2O3 Epitaxial Films
Hiromichi Ohta*, Takeru Wakamatsu, Mitsuki Yoshimura, and Katsuhisa Tanaka*, ACS Appl. Electron. Mater. (2026). (November 06, 2026) (DOI: 10.1021/acsaelm.6c01639 )
Ferroelectricity in single-layer Ruddlesden–Popper oxyfluorides enabled by low-temperature fluorination of amorphous precursors
Ferroelectricity in single-layer Ruddlesden–Popper oxyfluorides enabled by low-temperature fluorination of amorphous precursors
Ko Marunouchi, Kodai Niitsu, Akira Chikamatsu, Hiroshi Kumigashira, Hiromichi Ohta, and Tsukasa Katayama*, Chem. Mater. (2026).
High-Performance Epitaxial PZT Ferroelectric Membranes Fabricated via Water-Soluble CaO Sacrificial Layers on Sapphire Substrates
High-Performance Epitaxial PZT Ferroelectric Membranes Fabricated via Water-Soluble CaO Sacrificial Layers on Sapphire Substrates
Ikki Nishida, Weikun Zhou, Takuto Soma, Hiromichi Ohta, and Tsukasa Katayama*, ACS Appl. Electron. Mater. 8, 7746-7750 (2026). (August 29, 2026) (DOI: 10.1021/acsaelm.6c00931)
Electrochemical Switching of Heat, Charge, and Light in an Oxygen-Sponge Cobaltite, PrBaCo2O5+x
Electrochemical Switching of Heat, Charge, and Light in an Oxygen-Sponge Cobaltite, PrBaCo2O5+x
Hyeyun Chung, Yeongdeuk Mun, Ahrong Jeong, Hyeonjun Kong, Mitsuki Yoshimura, Daegill Cho, Seyoung Kwon, Byung-Jun Hwang, Younghak Kim, Sang-Jin Lee, Sungkyun Park, Hiromichi Ohta*, and Hyoungjeen Jeen*, Chem. Mater. 38, 7802-7810 (2026). (July 30, 2026) (DOI: 10.1021/acs.chemmater.6c00926) 国際共同研究, 物質・デバイス領域共同研究拠点
High-Performance Self-Powered Ultraviolet Photodetector Based on NiO/La-doped SrSnO3/Nb-doped SrTiO3 Dual-Heterojunction
High-Performance Self-Powered Ultraviolet Photodetector Based on NiO/La-doped SrSnO3/Nb-doped SrTiO3 Dual-Heterojunction
Wentian Zhang, Qian Yang*, Shen Zhang, Long Zhang, Shun Li, Jianming Zhang, Hiromichi Ohta, and Yuqiao Zhang*, Rare Metals 45:e70404 (2026) (July 11, 2026) (DOI: 10.1002/rar2.70404) 国際共同研究
Interfacial Reaction Competition in NiO/SiC for High-Performance UV Photodetection
Interfacial Reaction Competition in NiO/SiC for High-Performance UV Photodetection
Shen Zhang, Qian Yang, Yuheng Gu, Wentian Zhang, Ahrong Jeong, Long Zhang, Shun Li, Jianming Zhang, Federico Rosei, Hiromichi Ohta, and Yuqiao Zhang, ACS Nano 20, 13797–13810 (2026). (April 26, 2026) (DOI: 10.1021/acsnano.6c02352) 国際共同研究
Room-Temperature Interfacial Reactive-Template Epitaxy of NiO/4H-SiC for Dual-Mode UV Photodetection
Room-Temperature Interfacial Reactive-Template Epitaxy of NiO/4H-SiC for Dual-Mode UV Photodetection
Shen Zhang†, Qian Yang†*, Jiaxiang Qiu†, Wentian Zhang, Ahrong Jeong, Yangyang Wan, Shun Li, Jianming Zhang, Federico Rosei, Hiromichi Ohta, Long Zhang*, and Yuqiao Zhang*, Adv. Opt. Mater. e03717 (2026). (April 22, 2026) (DOI: 10.1002/adom.202503717) 国際共同研究
Thermal conductivities of fluorite LnO2 and bixbyite Ln2O3 epitaxial films (Ln = Ce, Pr, and Tb)
Thermal conductivities of fluorite LnO2 and bixbyite Ln2O3 epitaxial films (Ln = Ce, Pr, and Tb)
Mitsuki Yoshimura*, Ahrong Jeong, Jason Tam, Bin Feng, Yuichi Ikuhara, Kwanhong Park, Jaekwang Lee, and Hiromichi Ohta*, J. Am. Ceram. Soc. 109, e70627 (2026). (March 3, 2026) (DOI: 10.1111/jace.70627) 国際共同研究, 物質・デバイス領域共同研究拠点
Epitaxial film growth of strongly correlated LaNiO3 on buffered Si and thermal conductivity modulation based on reversible protonation
Epitaxial film growth of strongly correlated LaNiO3 on buffered Si and thermal conductivity modulation based on reversible protonation
Haruka Zaizen, Hao-Bo Li*, Osamu Nakagawara, Saeko Tonda, Ahrong Jeong, Hiromichi Ohta, Hidekazu Tanaka*, Appl. Phys. Express 19, 031006 (2026). (March 19, 2026) (DOI: 10.35848/1882-0786/ae49e1) オープンアクセス, クロスオーバーアライアンス, 物質・デバイス領域共同研究拠点
Decomposition Behavior of a Thermoelectric Oxide at High-Temperatures and Its Impact on the Thermoelectric Properties
Decomposition Behavior of a Thermoelectric Oxide at High-Temperatures and Its Impact on the Thermoelectric Properties
Kungwan Kang,* Yuqiao Zhang, Jingyuan Yan, Chuchu Yang, Bin Feng, Naoya Shibata, Yuichi Ikuhara, Ahrong Jeong, and Hiromichi Ohta*, ACS Appl. Energy Mater. 9, 1883-1890 (2026). (January 23, 2026) (DOI: 10.1021/acsaem.5c03826) 国際共同研究, 物質・デバイス領域共同研究拠点
Improving 2D-ness for oxide thermoelectrics
Improving 2D-ness for oxide thermoelectrics
Dongwon Shin,# Inseo Kim,# Min-Su Kim, Yu-Qiao Zhang, Woo Tack Lim, Si-Young Choi, Minseok Choi*, Hiromichi Ohta*, and Woo Seok Choi,* Rep. Prog. Phys. 89, 010501 (2026). (January 9, 2026) (DOI: 10.1088/1361-6633/ae2f96) 国際共同研究, 物質・デバイス領域共同研究拠点
Pre-print (1)
Pre-print (1)
[1] Dongwon Shin,# Inseo Kim,# Min-Su Kim, Yu-Qiao Zhang, Woo Tack Lim, Si-Young Choi, Minseok Choi*, Hiromichi Ohta*, and Woo Seok Choi,* “Improving 2D-ness for oxide thermoelectrics”, arXiv:2512.05664
Other (2)
Other (2)
[1] NETZSCH サクセスストーリー “サーマルトランジスタ研究のブレークスルーを可能にする” (インタビュー by 福田成美, 石川和子)
[2] 吉村充生, “MRS 2026 Spring Meeting 参加報告”, 日本熱電学会誌 23, 47 (2026).
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