Papers - HASEGAWA, Masashi
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High-pressure synthesis of a high-pressure phase of MnN having NiAs-type structure Reviewed
Shuto Asano, Ken Niwa, Takuya Sasaki, Masashi Hasegawa
Inorganic Chemistry Vol. 62 page： 20271 - 20278 2023
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Thermal expansion behavior of vanadium pernitride, CuAl2-type VN2 synthesized under high pressures Reviewed
Shuto Asano, Ken Niwa, Takuya Sasaki, Masashi Hasegawa
Progress in Solid State Chemistry Vol. 72 page： 100426/1 - 100426/5 2023
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High-pressure synthesis and low-temperature thermal expansion behavior of homogeneous phosphorus-rich pseudo-binary compound (V0.5Cr0.5)P4 Reviewed
Chung-Ching Chang, Takuya Sasaki, Nico Alexander Gaida, Ken Niwa, Masashi Hasegawa
Ceramics International Vol. 49 page： 40990 - 40994 2023
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遷移金属‐窒素二元系化合物の超高圧合成 Invited Reviewed
丹羽 健，浅野 秀斗，張 仲景，佐々木 拓也，長谷川 正
高圧力の科学と技術 Vol. 33 page： 26 - 33 2023
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Synthesis of garnet-type Mn4+-activated Y3(Al,Ga)5O12 and (Y,Gd)3Al5O12 phosphors with controlled emission by cation substitution Reviewed
Takuya Sasaki, Ryota Asaka, Ken Niwa, Nico Alexander Gaida and Masashi Hasegawa
Journal of the Ceramic Society of Japan Vol. 131 page： 696 - 700 2023
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新規遷移金属多窒化物の超高圧高温合成と圧縮および熱膨張特性 Invited Reviewed
長谷川正，浅野秀斗，張 仲景，佐々木拓也，丹羽健
熱測定 Vol. 50 page： 13 - 19 2023
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Low-temperature thermal expansion behavior of the entropy-stabilized oxide (MgCoNiCuZn)O Reviewed
Chang C.C., Sasaki T., Alexander Gaida N., Niwa K., Hasegawa M.
Materials Letters Vol. 347 page： 134601/1 - 134601/3 2023
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High-pressure synthesis and crystal structures of molybdenum nitride Mo3N5 with anisotropic compressibility by a nitrogen dimer Reviewed
Takuya Sasaki, Takuro Yamamoto, Shuto Asano, Ken Niwa and Masashi Hasegawa
Dalton Transactions Vol. 52 2023
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金属窒化物 Invited Reviewed
長谷川 正
高圧力の科学・技術事典（編著） page： accepted 2022
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高圧合成による新機能化合物の創製 Invited Reviewed
遊佐斉，長谷川正
まてりあ Vol. 61 page： 656 - 660 2022
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High-pressure polycrystalline thin-film synthesis and semiconducting property of platinum pernitride Reviewed
Ken Niwa, Tomoki Iizuka, Masashi Kurosawa, Yuto Nakamura, Hubert Okadome Valencia, Hideo Kishida, Osamu Nakatsuka, Takuya Sasaki, Nico Alexander Gaida, and Masashi Hasegawa
AIP Advances Vol. 12 page： 055318/1 - 055318/5 2022
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超高圧力下での新物質・新結晶の溶液結晶成長 Invited Reviewed
長谷川 正, 佐々木 拓也, Nico A. GAIDA , 丹羽 健
日本結晶成長学会誌 Vol. 49 page： 49-2-02/1 - 49-2-02/10 2022
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High pressure synthesis and the valence state of vanadium ions for the novel transition metal pernitride, CuAl2-type VN2 Reviewed
Shuto Asano, Ken Niwa, Takuya Sasaki, Nico Alexander Gaida, Masashi Hasegawa
Dalton Transactions Vol. 51 page： 2656 - 2659 2022
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Synchrotron-Radiation Infrared Microspectroscopy of Marcasite-type NiN2 Reviewed
Kazuo Soda, Takuya Kawada, Ken Niwa, Masashi Hasegawa, Yuka Ikemoto
Journal of the Physical Society of Japan Vol. 91 page： 044702/1 - 044702/5 2022
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Pressure-Tunable Crystal Structure and Magnetic Transition Temperature of the Nowotny Chimney-Ladder CrGeγ Phase Reviewed
Takuya Sasaki, Koki Noda, Nico Alexander Gaida, Ken Niwa, and Masashi Hasegawa
Inorganic Chemistry Vol. 60 page： 14525 - 14529 2021
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Phase relations and thermoelasticity of magnesium silicide at high pressure and temperature Reviewed
Gaida Nico Alexander, Niwa Ken, Sasaki Takuya, Hasegawa Masashi
Journal of Chemical Physics Vol. 154 page： 144701/1 - 144701/11 2021
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Electronic Structures of Transition-Metal Pernitrides Studied Using X-ray Absorption and Photoelectron Spectroscopy Reviewed
Kazuo Soda, Daiki Kato, Mai Komabuchi, Toshiki Terabe, Shin Takayama, Toshiki Ibaragi, Masahiko Kato, Ken Niwa, Masashi Hasegawa, Shoichi Takakura, and Masashi Nakatake
Journal of the Physical Society of Japan Vol. 90 page： 044710/1 - 044710/6 2021
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Automated geometric aberration correction for large-angle illumination STEM Reviewed
Ryo Ishikawa, Riku Tanaka, Shigeyuki Morishita, Yuji Kohno, Hidetaka Sawada, Takuya Sasaki, Masanari Ichikawa, Masashi Hasegawa, Naoya Shibata, Yuichi Ikuhara
Ultramicroscopy Vol. 222 page： 11325/1-7 2021
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Crystal and Electronic Structure of U7Te12-Type Tungsten Nitride Synthesized under High Pressure Reviewed
Chung-Ching Chang, Takuya Sasaki, Nico Alexander Gaida, Ken Niwa, and Masashi Hasegawa
Inorganic Chemistry Vol. 60 page： 13278 - 13283 2021
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Elasticity of nanocrystalline kyanite at high pressure and temperature from ultrasonic and synchrotron X-ray techniques Reviewed
Nico A. Gaida, Steeve Gréaux, Yoshio Kono, Hiroaki Ohfuji, Hideharu Kuwahara Norimasa Nishiyama, Oliver Beermann, Takuya Sasaki, Ken Niwa, Masashi Hasegawa
Journal of the American Ceramic Society Vol. 104 page： 635-644 2021