Papers - YAMAMOTO Takahisa
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Pulsed laser deposition and structural analysis of Ba2Ti6O13 epitaxial thin film on the (210) surface of SrTiO3 single crystal Reviewed
R. Kono, K. Hieda, T. Tokunaga, R. Tamura, R. Masamura, Y. Hikita, K. Kano, T. Yamamoto
Applied Physics Express Vol. 17 page： 075503 2024.7
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The use of He buffer gas for moderating the plume kinetic energy during Nd:YAG-PLD growth of EuXY2-XO3 phosphor films Reviewed
S. Suzuki, T. Dazai, T. Tokunaga, T. Yamamoto, R. Katoh, M. Lippmaa, R. Takahashi
Journal of Applied Physics Vol. 135 page： 195302 2024.5
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Topographical and morphological changes of the single-crystal (La0.3Sr0.7)(Al0.65Ta0.35)O3 (001) surface treated with high-purity deionized water Reviewed
Y. Tokuda, N. Nishikawa, T. Irimoto, Y. Katsuyama, S. Kobayashi, T. Tokunaga, T. Yamamoto
Surface and Interface Analysis Vol. 56 ( 8 ) page： 564 - 572 2024.4
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Optical and mechanical properties of rutile TiO2 subjected to AC flash processing Reviewed
Hiroshi Masuda, Tomoharu Tokunaga, Takahisa Yamamoto, Hidehiro Yoshida
Scripta Materialia Vol. 246 page： 116088 2024.3
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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 Reviewed
M. Seko, S. Inagaki, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan Vol. 132 ( 3 ) page： 93 - 98 2024.3
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Variation of grain boundary dihedral angles caused by voltage-to-current-based flash treatment in fully stabilized yttria-doped zirconia polycrystals Reviewed
M. Seko, S. Kayukawa, S. Inagaki, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan Vol. 132 ( 2 ) page： 63 - 67 2024.2
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Applying an alternating current to strontium titanate minimizes the change in oxidation state caused by flash sintering Reviewed
M. Seko, S. Inagaki, T. Tokunaga, S. Kobayashi, A. Nakamura, T. Yamamoto
Journal of the European Ceramic Society Vol. 44 page： 2965 - 2971 2023.12
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One-pot synthesis of Ag–In–Ga–S nanocrystals embedded in a Ga2O3 matrix and enhancement of band-edge emission by Na+ doping Reviewed Open Access
M. Tozawa, C. Miyamae, K. Akiyoshi, T. Kameyama, T. Yamamoto, G. Motomura, Y. Fujisaki, T. Uematsu, S. Kuwabata, T. Torimoto
Nanoscale Advances Vol. 5 page： 7057 - 7066 2023.11
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Near-full compaction within only 30 min of total sintering time by shrinkage-rate-controlled flash sintering in 3 mol% Y2O3-doped ZrO2 polycrystal Reviewed
Yuki ISHINO, Ayu KODAIRA, Tomoharu TOKUNAGA, and Takahisa YAMAMOTO
Journal of the Ceramic Society of Japan Vol. 131 ( 10 ) 2023.10
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Improvements in Flash Sintering for Practical Application Reviewed Open Access
Takahisa YAMAMOTO
Materials Transactions Vol. 64 ( 9 ) page： 2059 - 2068 2023.9
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StructuralDefectEffecton the ConcentrationQuenchingofTbxY2−xO3PhosphorThin Films Reviewed
Shizuka Suzuki, Takuro Dazai, Tomoharu Tokunaga, Takahisa Yamamoto, Ryuzi Katoh, Ryota Takahashi
J. Phys.Chem.C Vol. 127 page： 9380 - 9387 2023.9
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Apparent Sintering Activation Energy Estimated by Master Sintering Curves for 8 mol% Y2O3 Doped ZrO2 Polycrystals during Shrinkage-Rate Controlled Flash Sintering Reviewed Open Access
Masao KOIKE, Ayu KODAIRA, Tomoharu TOKUNAGA, and Takahisa YAMAMOTO
Materials Transactions Vol. 64 ( 9 ) page： 2315 - 2320 2023.9
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Hydrogarnet-Derived Porous Polyhedral Particles of SrFeO3-δ Perovskite Reviewed
H. Otaguro, T. Takeno, R. Sugimoto, S. Hosokawa, H. Akamatsu, T. Yamamoto, K. Nakanishi, K. Hayashi, G. Hasegawa
Chemistry Materials Vol. 35 page： 6423 - 6436 2023.8
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PromotingOxygenReductionReactionby ExcitationofLocalizedSurfacePlasmonof Shape-and Facet-ControlledOctahedralAu@PtCore-ShellNanocrystals Reviewed Open Access
Tatsuya Kameyama, Kentaro Sato, Takahisa Yamamoto, Mamoru Tamura, Takuya Iida, Tatsuya Shoji, Yasuyuki Tsuboi, Tsukasa Torimoto
ChemElectroChem Vol. 10 page： e202300182 2023.7
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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 Reviewed Open Access
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 Vol. 87 ( 7 ) page： 219 - 225 2023.7
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Flash healing of Vickers microcracks formed on the (001) surface of cubic zirconia single crystals Reviewed
Shunsuke KAYUKAWA, Yutaro KATSUYAMA, Ayu KODAIRA, Tomoharu TOKUNAGA, Koji MORITA, Atsutomo NAKAMURA, and Takahisa YAMAMOTO
Journal of the European Ceramic Society Vol. 43 page： 6272 - 6278 2023.6
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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 Reviewed Open Access
utaro KATSUYAMA, Ayu KODAIRA, Tomoharu TOKUNAGA, and Takahisa YAMAMOTO
Journal of the Ceramic Society of Japan Vol. 131 ( 5 ) page： 135 - 139 2023.5
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Development of Cu–In–Ga–S quantum dots with a narrow emission peak for red electroluminescence Reviewed
Chang Jiang, Makoto Tozawa, Kazutaka Akiyoshi, Tatsuya Kameyama, Takahisa Yamamoto, Genichi Motomura, Yoshihide Fujisaki, Taro Uematsu, Susumu Kuwabata, Tsukasa Torimoto
Journal of Chemical Physics Vol. 158 page： 164708 2023.4
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Microstructure and tensile strength of electrodeposited Fe-rich bcc FeCoNi medium-entropy alloy Reviewed
A. Watanabe, T. Yamamoto, R. Miyamoto, Y. Takigawa
Materials Science and Technology 2023.3
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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 Reviewed Open Access
M. Seko, S. Inagaki, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan Vol. 132 ( 3 ) page： 93 - 98 2023.3