Masayuki Imanishi, Shigeyoshi Usami, Kosuke Murakami, Kanako Okumura, Kosuke Nakamura, Keisuke Kakinouchi, Yohei Otoki, Tomio Yamashita, Naohiro Tsurumi, Satoshi Tamura, et al. Characteristics of Vertical Transistors on a GaN Substrate Fabricated via Na-Flux Method and Enlargement of the Substrate Surpassing 6 Inches. physica status solidi (RRL) - Rapid Research Letters. 2024. 2400106-1-2400106-10
Hozumi Takahashi, Yusuke Takaoka, Satomi Ebihara, Yuka Tsuri, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori, Hiroshi Y. Yoshikawa. Pseudopolymorphism of Sodium Acetate in Supersaturated Aqueous Solution Induced by Focused Irradiation with Ultrashort Laser Pulses. The Journal of Physical Chemistry C. 2024
T. Hamachi, T. Tohei, Y. Hayashi, S. Usami, M. Imanishi, Y. Mori, K. Sumitani, Y. Imai, S. Kimura, A. Sakai. Analysis of local strain fields around individual threading dislocations in GaN substrates by nanobeam x-ray diffraction. Journal of Applied Physics. 2024. 135. 22
道端詩, 丸山美帆子, 丸山美帆子, 田中勇太朗, 田中勇太朗, 吉村政志, 西村良浩, 植村真結, 塚本勝男, 塚本勝男, et al. Observation of surface dissolution of Calcium Oxalate Dihydrate crystals through using human kidney stones. 結晶成長国内会議予稿集(CD-ROM). 2023. 52nd
河村貴宏, 河村貴宏, 秋山亨, 宇佐美茂佳, 今西正幸, 吉村政志, 吉村政志, 森勇介, 森川良忠, 寒川義裕. Surface Structures of GaN under OVPE Growth Conditions and Influence of Point Defects on Optical Properties of GaN. 日本結晶成長学会誌(CD-ROM). 2023. 50. 1
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TANDRYO Ricksen, 村上航介, 久保等, 今西正幸, 宇佐美茂佳, 丸山美帆子, 吉村政志, 森勇介. Enhancing Nucleation on Micro-size GaN point-seed crystals by Utilizing Nitrogen Desorption Properties in the Na-Flux Method. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
A method of manufacturing a group-IIInitride crystal includes: preparing a seed substrate; and supplying a group-IIIelement oxide gas and a nitrogen element-containing gas at a supersaturation ratio (Po/Pe) greater than 1 and equal to or less than 5, then, growing a group-IIInitride crystal on the seed substrate, wherein the Po is a supply partial pressure of the group-IIIelement oxide gas, and the Pe is an equilibrium partial pressure of the group-IIIelement oxide gas.
2007 - Prizes for Science and Technology(Research Category), The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
2006 - 第4回産学官連携功労者表彰・科学技術政策担当大臣賞
2006 - 第20回(2006年度)独創性を拓く 先端技術大賞特別賞
2006 - 第1回モノづくり連携大賞特別賞
2006 - 第16回日経BP技術賞
2005 - 第21回櫻井健二郎氏記念賞
2005 - 第29回レーザー学会賞 論文賞(解説部門)
2005 - Prize of Laser Engineering; Medal of Excellent Review Paper