論文 - 山本 剛久
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ナノインデンテーション法を用いた高純度アルミニウム合金の 局所力学特性に及ぼす添加元素の影響解明 査読有り
寺崎保裕, 望月喬史, 小畠淳平, 山本剛久, 瀧川順庸
日本金属学会誌 87 巻 ( 7 ) 頁: 219 - 225 2023年7月
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PromotingOxygenReductionReactionby ExcitationofLocalizedSurfacePlasmonof Shape-and Facet-ControlledOctahedralAu@PtCore-ShellNanocrystals 査読有り
Tatsuya Kameyama, Kentaro Sato, Takahisa Yamamoto, Mamoru Tamura, Takuya Iida, Tatsuya Shoji, Yasuyuki Tsuboi, Tsukasa Torimoto
ChemElectroChem 10 巻 頁: e202300182 2023年7月
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Flash healing of Vickers microcracks formed on the (001) surface of cubic zirconia single crystals 査読有り
Shunsuke KAYUKAWA, Yutaro KATSUYAMA, Ayu KODAIRA, Tomoharu TOKUNAGA, Koji MORITA, Atsutomo NAKAMURA, and Takahisa YAMAMOTO
Journal of the European Ceramic Society 43 巻 頁: 6272 - 6278 2023年6月
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Scanning electron microscopy observation in wide field of view for SrO/TiO2-terminated step-terrace structure formed on SrTiO3 (001) single crystal surface 査読有り
utaro KATSUYAMA, Ayu KODAIRA, Tomoharu TOKUNAGA, and Takahisa YAMAMOTO
Journal of the Ceramic Society of Japan 131 巻 ( 5 ) 頁: 135 - 139 2023年5月
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Development of Cu–In–Ga–S quantum dots with a narrow emission peak for red electroluminescence 査読有り
Chang Jiang, Makoto Tozawa, Kazutaka Akiyoshi, Tatsuya Kameyama, Takahisa Yamamoto, Genichi Motomura, Yoshihide Fujisaki, Taro Uematsu, Susumu Kuwabata, Tsukasa Torimoto
Journal of Chemical Physics 158 巻 頁: 164708 2023年4月
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Microstructure and tensile strength of electrodeposited Fe-rich bcc FeCoNi medium-entropy alloy 査読有り
A. Watanabe, T. Yamamoto, R. Miyamoto, Y. Takigawa
Materials Science and Technology 2023年3月
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Non-uniformity of shrinkage rate as a function of current acceleration during flash event under voltage-to-current protocol in 8 mol%Y2O3–ZrO2 査読有り
M. Seko, S. Inagaki, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan 132 巻 ( 3 ) 頁: 93 - 98 2023年3月
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Effect of Initial Grain Size on Crack Healing Behavior under DC Electric Field of Zirconia (8Y-CSZ) Ceramic 査読有り
S. Takahashi, K. Morita, K. Nambu, D. Terada, K. Kobayashi, T. Tokunaga, T. Yamamoto
Advanced Engineering Materials 頁: 220180 2023年2月
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Local crystallization of amorphous AlOx thin film using electron beam irradiation by SEM 査読有り
T. Tokunaga, S. Tanahashi, S. Okawara, T. Yamamoto
Materials Transactions 64 巻 ( 1 ) 頁: 184 - 190 2023年1月
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フラッシュ焼結技術の改良と実用化への展望 査読有り
山本 剛久
70 巻 頁: 18 - 29 2023年1月
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Shrinkage-rate controlled flash sintering for 3 - 10 mol%Y2O3-doped ZrO2 polycrystals 査読有り
M. KOIKE, A. KODARIA, T. TOKUNAGA, T. YAMAMOTO
Journal of the Ceramic Society of Japan 130 巻 ( 12 ) 頁: 906 - 912 2022年12月
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A technique to modify the photoluminescence intensity of β-Ga2O3 polycrystals using an electric field during sintering 査読有り
R. ONO, A. Kodaira, T. TOKUNAGA, H. YOSHIDA, T. YAMAMOTO
Journal of Luminescence 254 巻 頁: 119508 2022年11月
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Shell-like structure to limit further densification formed during flash sintering under alternative current electric field for 8mol%Y2O3-doped ZrO2 査読有り
M. Seko, K. Hattori, Y. Ishino, A. Kodaira, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan 130 巻 ( 11 ) 頁: 895 - 898 2022年11月
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Microcrack healing in single-crystal cubic zirconia by thermal annealing 招待有り 査読有り
S. Kayukawa, Y. Katsuyama, A. Kodaira, T. Tokunaga, K. Morita, A. Nakamura, K. Higuchi, T. Yamamoto
Journal of the European Ceramic Society 2022年10月
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Flash self-joining of Y-TZP ceramics assisted with an ACelectric field 査読有り
K. Nambu, T. Kitaoka, K. Morita, K. Soga, T. Tokunaga, T. Yamamoto, H. Masuda, H. Yoshida
Journal of the American Ceramic Society 106 巻 頁: 2073 - 2082 2022年10月
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He buffer gas effect on Nd:YAG-PLD growth of EuxY2−xO3 phosphor thin films 招待有り 査読有り
S. Suzuki, T. Dazai, K. Kawashima, T. Tokunaga, T. Yamamoto, R. Takahashi
ACS Applied Electronics Materials 4 巻 頁: 4419 - 4426 2022年8月
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Microstructure and tensile strength of electrodeposited Fe-rich bcc FeCoNi medium-entropy alloys 査読有り
A. Watanabe,T. Yamamoto,R. Miyamoto, Y. Takigawa
Materials Science and Technology 39 巻 ( 15 ) 頁: 2028 - 2034 2022年8月
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Effect of electron beam irradiation in gas atmosphere during ETEM 査読有り
T. Tokunaga, T. Kawakami, K. Higuchi, Y. Yamamoto, T. Yamamoto
Micron 158 巻 頁: 103289 2022年7月
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Variation of photoluminescence intensity depending on the timing of electric field application during isothermal flash sintering for 3mol%Y2O3-ZrO2 polycrystal 査読有り
A. Itoh, T. Tokunaga, A. Kodaira, H. Yoshida, T. Yamamoto
Ceramics International 48 巻 頁: 28712 - 28717 2022年6月
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Tensile strength of nanocrystalline FeCoNi medium-entropy alloy fabrication using electrodeposition 査読有り
A. Watanabe, T. Yamamoto, Y. Takigawa
Scientific Reports 12 巻 頁: 12076 2022年6月