原著論文

2021

“Explainable machine learning for the analysis of transport phenomena in top-seeded solution growth of SiC single crystal”
Takehara Yuto, Sekimoto Atsushi, Okano Yasunori, Ujihara Toru, Dost Sadik
JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY 16 巻 ( 1 )
DOI: 10.1299/jtst.2021jtst0009

“Geometrical design of a crystal growth system guided by a machine learning algorithm”
Wancheng Yu, Can Zhu, Yosuke Tsunooka, Wei Huang, Yifan Dang, Kentaro Kutsukake, Shunta Harada, Miho Tagawa, Toru Ujihara
CrystEngComm
DOI: doi:10.1039/D1CE00106J

“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 ( (8) )
DOI: doi:10.1039/D0CE01824D

“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 )
DOI: 10.35848/1347-4065/abc7a1

“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 )
DOI: https://doi.org/10.1117/12.2577164

“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
DOI: 10.1039/d0ce01824d

“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”
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
DOI: 10.1021/acs.jpcc.0c11109

“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 )
DOI: 10.1103/PhysRevLett.126.125501

“Geometrical design of a crystal growth system guided by a machine learning algorithm”
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
DOI: 10.1039/d1ce00106j

“Synchrotron X-ray topographic image contrast variation of screw-type basal plane dislocations located at different depths below the crystal surface in 4H-SiC”
Fujie Fumihiro, Peng Hongyu, Ailihumaer Tuerxun, Raghothamachar Balaji, Dudley Michael, Harada Shunta, Tagawa Miho, Ujihara Toru
ACTA MATERIALIA 208 巻
DOI: 10.1016/j.actamat.2021.116746

“Ordered Arrangement of Planar Faults with Picoscale Perfection in Titanium Oxide Natural Superlattices”
Harada Shunta, Kosaka Naoki, Tagawa Miho, Ujihara Toru
JOURNAL OF PHYSICAL CHEMISTRY C 125 巻 ( 20 ) 頁: 11175 – 11181
DOI: 10.1021/acs.jpcc.1c01831

“Control of microstructure and mechanical properties of sintered aluminum nitride through addition of aluminum nitride whiskers”
Kondo Naoki, Shimamura Akihiro, Hotta Mikinori, Shimizu Hiroki, Ujihara Toru, Ohnishi Yoshihiro
JOURNAL OF ASIAN CERAMIC SOCIETIES   9 巻 ( 3 ) 頁: 1248 – 1254
DOI: 10.1080/21870764.2021.1953760

“Y Local Atomic Structures for Tunable Ordered Arrangements of Crystallographic Shear Planes in Titanium-Chromium Oxide Natural Superlattices”
Harada Shunta, Sugimoto Shunya, Kosaka Naoki, Tagawa Miho, Ujihara Toru
JOURNAL OF PHYSICAL CHEMISTRY C 125 巻 ( 28 ) 頁: 15730 – 15736
DOI: 10.1021/acs.jpcc.1c04516

“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
DOI: 10.1021/acs.cgd.1c00398

“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”
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
DOI: 10.1016/j.mseb.2021.115281

“In-operando x-ray topography analysis of SiC metal-oxide-semiconductor field-effect transistors to visualize stacking fault expansion motions dynamically during operations”
Konishi Kumiko, Fujita Ryusei, Kobayashi Keisuke, Yoneyama Akio, Ishiji Kotaro, Okino Hiroyuki, Shima Akio, Ujihara Toru
JOURNAL OF APPLIED PHYSICS 130 巻 ( 14 )
DOI: 10.1063/5.0063082

“Bayesian Optimization for Cascade-type Multi-stage Processes”
Shunya Kusakawa, Shion Takeno, Yu Inatsu, Kentaro Kutsukake, Shogo Iwazaki, Takashi Nakano, Toru Ujihara, Masayuki Karasuyama, Ichiro Takeuchi
arXiv:2111

“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
DOI: 10.1016/j.mtla.2021.101246