論文 - 宇治原 徹
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High fracture toughness AlN achieved by addition of AlN whiskers and tape-casting
Shimizu Hiroki, Kondo Naoki, Shimamura Akihiro, Hotta Mikinori, Harada Shunta, Ujihara Toru, Ohnishi Yoshihiro
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN 130 巻 ( 1 ) 頁： 195 - 198 2022年1月
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Immobilization of partial dislocations bounding double Shockley stacking faults in 4H-SiC observed by in situ synchrotron X-ray topography
Fujie Fumihiro, Harada Shunta, Suo Hiromasa, Raghothamachar Balaji, Dudley Michael, Hanada Kenji, Koizumi Haruhiko, Kato Tomohisa, Tagawa Miho, Ujihara Toru
MATERIALIA 20 巻 2021年12月
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Bayesian Optimization for Cascade-type Multi-stage Processes 査読有り
Shunya Kusakawa, Shion Takeno, Yu Inatsu, Kentaro Kutsukake, Shogo Iwazaki, Takashi Nakano, Toru Ujihara, Masayuki Karasuyama, Ichiro Takeuchi
arXiv:2111 2021年11月
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In-operando x-ray topography analysis of SiC metal-oxide-semiconductor field-effect transistors to visualize stacking fault expansion motions dynamically during operations 査読有り
Konishi Kumiko, Fujita Ryusei, Kobayashi Keisuke, Yoneyama Akio, Ishiji Kotaro, Okino Hiroyuki, Shima Akio, Ujihara Toru
JOURNAL OF APPLIED PHYSICS 130 巻 ( 14 ) 2021年10月
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Surface relaxation and photoelectric absorption effects on synchrotron X-ray topographic images of dislocations lying on the basal plane in off-axis 4H-SiC crystals 査読有り
Ailihumaer Tuerxun, Peng Hongyu, Fujie Fumihiro, Raghothamachar Balaji, Dudley Michael, Harada Shunta, Ujihara Toru
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS 271 巻 2021年9月
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Two-Step Nanoparticle Crystallization via DNA-Guided Self-Assembly and the Nonequilibrium Dehydration Process
Sumi Hayato, Ohta Noboru, Sekiguchi Hiroshi, Harada Shunta, Ujihara Toru, Tsukamoto Katsuo, Tagawa Miho
CRYSTAL GROWTH & DESIGN 21 巻 ( 8 ) 頁： 4506 - 4515 2021年8月
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Y Local Atomic Structures for Tunable Ordered Arrangements of Crystallographic Shear Planes in Titanium-Chromium Oxide Natural Superlattices 査読有り
Harada Shunta, Sugimoto Shunya, Kosaka Naoki, Tagawa Miho, Ujihara Toru
JOURNAL OF PHYSICAL CHEMISTRY C 125 巻 ( 28 ) 頁： 15730 - 15736 2021年7月
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Control of microstructure and mechanical properties of sintered aluminum nitride through addition of aluminum nitride whiskers 査読有り
Kondo Naoki, Shimamura Akihiro, Hotta Mikinori, Shimizu Hiroki, Ujihara Toru, Ohnishi Yoshihiro
JOURNAL OF ASIAN CERAMIC SOCIETIES 9 巻 ( 3 ) 頁： 1248 - 1254 2021年7月
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Ordered Arrangement of Planar Faults with Picoscale Perfection in Titanium Oxide Natural Superlattices 査読有り
Harada Shunta, Kosaka Naoki, Tagawa Miho, Ujihara Toru
JOURNAL OF PHYSICAL CHEMISTRY C 125 巻 ( 20 ) 頁： 11175 - 11181 2021年5月
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Synchrotron X-ray topographic image contrast variation of screw-type basal plane dislocations located at different depths below the crystal surface in 4H-SiC 査読有り
Fujie Fumihiro, Peng Hongyu, Ailihumaer Tuerxun, Raghothamachar Balaji, Dudley Michael, Harada Shunta, Tagawa Miho, Ujihara Toru
ACTA MATERIALIA 208 巻 2021年4月
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Geometrical design of a crystal growth system guided by a machine learning algorithm 査読有り
Yu Wancheng, Zhu Can, Tsunooka Yosuke, Huang Wei, Dang Yifan, Kutsukake Kentaro, Harada Shunta, Tagawa Miho, Ujihara Toru
CRYSTENGCOMM 23 巻 ( 14 ) 頁： 2695 - 2702 2021年4月
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Intensity Interference in a Coherent Spin-Polarized Electron Beam
Kuwahara Makoto, Yoshida Yuya, Nagata Wataru, Nakakura Kojiro, Furui Masato, Ishida Takafumi, Saitoh Koh, Ujihara Toru, Tanaka Nobuo
PHYSICAL REVIEW LETTERS 126 巻 ( 12 ) 2021年3月
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Chiral Optical Force Generated by a Superchiral Near-Field of a Plasmonic Triangle Trimer as Origin of Giant Bias in Chiral Nucleation: A Simulation Study 査読有り
Niinomi Hiromasa, Sugiyama Teruki, Cheng An-Chieh, Tagawa Miho, Ujihara Toru, Yoshikawa Hiroshi Y., Kawamura Ryuzo, Nozawa Jun, Okada Junpei T., Uda Satoshi
JOURNAL OF PHYSICAL CHEMISTRY C 125 巻 ( 11 ) 頁： 6209 - 6221 2021年3月
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Adaptive process control for crystal growth using machine learning for high-speed prediction: application to SiC solution growth
Dang Yifan, Zhu Can, Ikumi Motoki, Takaishi Masaki, Yu Wancheng, Huang Wei, Liu Xinbo, Kutsukake Kentaro, Harada Shunta, Tagawa Miho, Ujihara Toru
CRYSTENGCOMM 23 巻 ( 9 ) 頁： 1982 - 1990 2021年3月
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Detection and classification of dislocations in GaN by optical microscope using birefringence
Atsushi Tanaka, Shunta Harada, Kenji Hanada, Yoshio Honda, Toru Ujihara, and Hiroshi Amano,
Proc. SPIE 11706, Light-Emitting Devices, Materials, and Applications XXV ( 117060Y ) 2021年3月
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Analysis of dislocation line tilt in GaN single crystal by Raman spectroscopy
Kokubo Nobuhiko, Tsunooka Yosuke, Inotsume Sho, Fujie Fumihiro, Onda Shoichi, Yamada Hisashi, Shimizu Mitsuaki, Harada Shunta, Tagawa Miho, Ujihara Toru
JAPANESE JOURNAL OF APPLIED PHYSICS 60 巻 ( SA ) 2021年1月
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Adaptive process control for crystal growth using machine learning for high-speed prediction: application to SiC solution growth 査読有り
Dang Yifan, Zhu Can, Ikumi Motoki, Takaishi Masaki, Yu Wancheng, Huang Wei, Liu Xinbo, Kutsukake Kentaro, Harada Shunta, Tagawa Miho, Ujihara Toru
CrystEngComm 23 巻 ( (8) ) 2021年1月
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Geometrical design of a crystal growth system guided by a machine learning algorithm 査読有り
Wancheng Yu, Can Zhu, Yosuke Tsunooka, Wei Huang, Yifan Dang, Kentaro Kutsukake, Shunta Harada, Miho Tagawa, Toru Ujihara
CrystEngComm 2021年
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Explainable machine learning for the analysis of transport phenomena in top-seeded solution growth of SiC single crystal 査読有り
Takehara Yuto, Sekimoto Atsushi, Okano Yasunori, Ujihara Toru, Dost Sadik
JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY 16 巻 ( 1 ) 2021年
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Adaptive Bayesian optimization for epitaxial growth of Si thin films under various constraints 査読有り
Osada Keiichi, Kutsukake Kentaro, Yamamoto Jun, Yamashita Shigeo, Kodera Takashi, Nagai Yuta, Horikawa Tomoyuki, Matsui Kota, Takeuchi Ichiro, Ujihara Toru
MATERIALS TODAY COMMUNICATIONS 25 巻 2020年12月