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Yohei Kojima
Yohei Kojima
JEOL, Ltd.
Verified email at jeol.co.jp
Title
Cited by
Cited by
Year
Structure and stability of carbon nitride under high pressure and high temperature up to 125 GPa and 3000 K
Y Kojima, H Ohfuji
Diamond and related materials 39, 1-7, 2013
392013
High-pressure rotational deformation apparatus to 135 GPa
R Nomura, S Azuma, K Uesugi, Y Nakashima, T Irifune, T Shinmei, ...
Review of Scientific Instruments 88 (4), 2017
292017
Synthesis of coarse-grain-dispersed nano-polycrystalline cubic boron nitride by direct transformation under ultrahigh pressure
Y Ichida, H Ohfuji, T Irifune, T Kunimoto, Y Kojima, T Shinmei
Diamond and Related Materials 77, 25-34, 2017
212017
Phase relations in silicon and germanium nitrides up to 98 GPa and 2400 C
N Nishiyama, J Langer, T Sakai, Y Kojima, A Holzheid, NA Gaida, E Kulik, ...
Journal of the American Ceramic Society 102 (4), 2195-2202, 2019
202019
CaCu3Pt4O12: The First Perovskite with the B Site Fully Occupied by Pt4+
I Yamada, Y Takahashi, K Ohgushi, N Nishiyama, R Takahashi, K Wada, ...
Inorganic chemistry 49 (15), 6778-6780, 2010
162010
Synthesis of ultrafine nano-polycrystalline cubic boron nitride by direct transformation under ultrahigh pressure
Y Ichida, H Ohfuji, T Irifune, Y Kojima, T Shinmei
Journal of the European Ceramic Society 38 (7), 2815-2822, 2018
152018
Neutron diffraction study of the structural and magnetic properties of ε-Fe3N1. 098 and ε-Fe2. 322Co0. 678N0. 888
L Lei, L Zhang, S Gao, Q Hu, L Fang, X Chen, Y Xia, X Wang, H Ohfuji, ...
Journal of Alloys and Compounds 752, 99-105, 2018
142018
High-pressure and high-temperature synthesis of rhenium carbide using rhenium and nanoscale amorphous two-dimensional carbon nitride
N Yasui, M Sougawa, M Hirai, K Yamamoto, T Okada, D Yamazaki, ...
Cogent Physics 2 (1), 1076702, 2015
112015
Anvil design for slip-free high pressure deformation experiments in a rotational diamond anvil cell
S Azuma, R Nomura, K Uesugi, Y Nakashima, Y Kojima, S Doi, ...
High Pressure Research 38 (1), 23-31, 2018
92018
Neutron powder diffraction and high-pressure synchrotron x-ray diffraction study of tantalum nitrides
L Feng, Q Hu, L Lei, L Fang, L Qi, L Zhang, M Pu, Z Kou, F Peng, X Chen, ...
Chinese Physics B 27 (2), 026201, 2018
82018
Transition mechanism of sH to filled-ice Ih structure of methane hydrate under fixed pressure condition
H Kadobayashi, H Hirai, H Ohfuji, Y Kojima, Y Ohishi, N Hirao, M Ohtake, ...
Journal of Physics: Conference Series 950 (4), 042044, 2017
82017
Spin transition and substitution of Fe3+ in Al-bearing post-Mg-perovskite
K Fujino, D Nishio-Hamane, Y Kuwayama, N Sata, S Murakami, ...
Physics of the Earth and Planetary Interiors 217, 31-35, 2013
72013
High-Pressure synthesis of CeOCl crystals and investigation of their photoluminescence and compressibility properties
L Zhang, Y Cheng, L Lei, X Wang, Q Hu, Q Wang, H Ohfuji, Y Kojima, ...
Crystal Growth & Design 18 (3), 1843-1847, 2018
62018
Reexamination of solvothermal synthesis of layered carbon nitride
Y Kojima, H Ohfuji
Journal of Materials 2018, 2018
62018
High-pressure solid-state metathesis synthesis of ternary iron-based metal nitrides
SP Gao, L Lei, QW Hu, LM Fang, XL Wang, H Ohfuji, Y Kojima, LL Zhang, LJ Tan ...
Chinese Journal of High Pressure Physics 30 (4), 265-270, 2016
4*2016
High-pressure Raman studies and heat capacity measurements on the MgSiO3 analogue CaIr0.5Pt0.5O3
S Hirai, Y Kojima, H Ohfuji, N Nishiyama, T Irifune, S Klemme, G Bromiley, ...
Physics and Chemistry of Minerals 38, 631-637, 2011
42011
走査型電子顕微鏡と集束イオンビーム装置の原理と応用
小島洋平, 菊地真樹, 三平智宏, 應本玉恵
ぷらすとす 2 (22), 667-672, 2019
2019
2-3-2 メタンハイドレートの高圧相転移メカニズム
平井寿子, 門林宏和, 小島洋平, 大石泰生, 平尾直久, 大竹道香, ...
日本エネルギー学会大会講演要旨集 第 26 回日本エネルギー学会大会, 44-45, 2017
2017
Phase transition mechanism of sH to filled-ice Ih of methane hydrate under fixed pressure condition
H Kadobayashi, H Hirai, H Ohfuji, Y Kojima, M Ohtake, Y Yamamoto
2016
高温高圧下における窒化炭素の相関係に関する実験的研究
小島洋平, 大藤弘明
高圧討論会講演集 51, 88, 2010
2010
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