Papers - HASEGAWA, Masashi
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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
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前駆体を用いた8族遷移金属炭化物の超高温高圧合成 Invited Reviewed
佐々木 拓也，長谷川 正
高圧力の科学と技術 Vol. 31 page： 116 - 116 2021
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Nitriding Synthesis and Structural Change of Phosphorus Nitrides at High Pressures Reviewed
Ken NIWA, Yasunori IIJIMA, Masaya UKITA, Ryuta TODA, Kazuaki TOYOURA, Takuya SASAKI, Katsuyuki MATSUNAGA, Nico Alexander GAIDA, Masashi HASEGAWA
Journal of Raman Spectroscopy Vol. 52 page： 1 - 9 2021
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Crystal and Electronic Structures of MoSi2-Type CrGe2 Synthesized under High Pressure Reviewed
Takuya Sasaki, Kota Kanie, Tatsuya Yokoi, Ken Niwa, Nico Alexander Gaida, Katsuyuki Matsunaga, Masashi Hasegawa
Inorganic Chemistry Vol. 60 page： 1767-1772 2021
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Thermal Expansion of Incompressible U2S3-Type Nb2N3 Synthesized in a Diamond Anvil Cell Reviewed
Shuto Asano, Ken Niwa, Takuya Sasaki, Nico Alexander Gaida, and Masashi Hasegawa
Inorganic Chemistry Vol. 59 page： 7915−7918 2020
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超高圧力下での直接窒化反応による白金族金属二窒化物の創製 Invited Reviewed
長谷川正，丹羽健
応用物理 Vol. 89 page： 87-91 2020
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Hydrogen Depth-profiles in Nb Hydrides Formed in Supercritical Water Reviewed
Kazuo Soda, Shinya Sugiura, Kanta Yamaguchi, Masahiko Kato, Ken Niwa, Masashi Hasegawa, Kohtaku Suzuki, Ryoya Ishigami, Eiji Ikenaga
e-Journal of Surface Science and Nanotechnology Vol. 18 page： 152−158 2020
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Crystal structures and electronic properties of Sn3N4 polymorphs synthesized via high-pressure nitridation of tin Reviewed
Ken Niwa, Tomoya Inagaki, Tetsu Ohsuna, Zheng Liu, Takuya Sasaki, Nico Alexander Gaida and Masashi Hasegawa
CrystEngComm Vol. 22 page： 3531–3538 2020
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Nanowire crystals of tantalum nitride grown in ammonium halide fluxes at high pressures Reviewed
Nico Alexander Gaida, Takuya Sasaki , Zheng Liu , Ken Niwa , Masaki Hirozawa, Tetsu Ohsuna , and Masashi Hasegawa
Applied Physics Letters Vol. 116 page： 123102/1-5 2020
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Tuning the morphological structure, lightabsorption, and photocatalytic activity of Bi2WO6and Bi2WO6-BiOCl through cerium doping Reviewed
Mirabbos Hojamberdiev, Zukhra C. Kadirova, Ehsan Zahedi, Diego Onna, Marıa Claudia Marchi, Gangqiang Zhu, Nobuhiro Matsushita, Masashi Hasegawa, Sara Aldabe Bilmes, Kiyoshi Okada
Arabian Journal of Chemistry Vol. 13 page： 2844-2857 2020
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Microstructural effects on hardness and optical transparency of birefringent aluminosilicate nanoceramics Reviewed
Nico A. Gaida Norimasa Nishiyama Oliver Beermann Ulrich Schürmann Atsunobu Masuno Christopher Giehl Ken Niwa Masashi Hasegawa Shrikant Bhat Robert Farla Lorenz Kienle
International Journal of Ceramic Engineering and Science Vol. 2 page： 76–82 2020
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High-pressure synthesis and crystal structure of MoC-type tungsten nitride by nitridation with ammonium chloride Reviewed
Sasaki, Takuya; Ikoma, Takahide; Sago, Kazuki; Liu, Zheng; Niwa, Ken; OHSUNA, Tetsu; Hasegawa, Masashi
Inorganic Chemistry page： 16379-16386 2019
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High-pressure synthesis, crystal growth, and compression behavior of hexagonal CrN2 having one-dimensionally aligned nitrogen dimer Reviewed
Ken Niwa, Takurou Yamamoto, Takuya Sasaki, and Masashi Hasegawa
Physical Review Materials Vol. 3 page： 053601/1-7 2019
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High-Pressure Synthesis and Phase Stability of Nickel Pernitride Reviewed
Ken Niwa, Riku Fukui, Toshiki Terabe, Takuya Kawada, Daiki Kato, Takuya Sasaki, Kazuo Soda, and Masashi Hasegawa
Eur. J. Inorg. Chem. Vol. 2019 page： 3753–3757 2019
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Infrared spectroscopy on electronic structures of platinum-group metal pernitrides MN2 (M = Ru, Rh, Ir, and Pt) Reviewed
Kazuo Soda, Mai Komabuchi, Keisuke Maeguchi, Masahiko Kato, Toshiki Terabe,Ken Niwa, Masashi Hasegawa, Yuka Ikemoto, Hidekazu Okamura
Physica B Vol. 558 page： 54-58 2019
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Lithium ionic conductivities of alpha-LiBO2 with two-dimensional Li-Li networks and gamma-LiBO2 with three-dimensional ones synthesized under high pressure Invited Reviewed
Eiichi Hirose, Kunimitsu Kataoka, Hiroshi Nagata, Junji Akimoto, Takuya Sasaki, Ken Niwa, Masashi Hasegawa
Journal of Solid State Chemistry Vol. 274 page： 100-104 2019
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Amorphous Fe2O3nanoparticles embedded into hypercrosslinked porouspolymeric matrix for designing an easily separable and recyclablephotocatalytic system Reviewed
Mirabbos Hojamberdiev, Zukhra C. Kadirova, Shahlo S. Daminova, Kunio Yubuta, Hadi Razavi-Khosroshahi, Khasan T. Sharipov, Masahiro Miyauchi, Katsuya Teshima
Applied Surface Science Vol. 466 page： 837-846 2019