Papers - YAMAMOTO Takahisa
-
Effect of Initial Grain Size on Crack Healing Behavior under DC Electric Field of Zirconia (8Y-CSZ) Ceramic Reviewed
S. Takahashi, K. Morita, K. Nambu, D. Terada, K. Kobayashi, T. Tokunaga, T. Yamamoto
Advanced Engineering Materials page： 220180 2023.2
-
Local crystallization of amorphous AlOx thin film using electron beam irradiation by SEM Reviewed Open Access
T. Tokunaga, S. Tanahashi, S. Okawara, T. Yamamoto
Materials Transactions Vol. 64 ( 1 ) page： 184 - 190 2023.1
-
フラッシュ焼結技術の改良と実用化への展望 Reviewed
山本 剛久
Vol. 70 page： 18 - 29 2023.1
-
Shrinkage-rate controlled flash sintering for 3 - 10 mol%Y2O3-doped ZrO2 polycrystals Reviewed Open Access
M. KOIKE, A. KODARIA, T. TOKUNAGA, T. YAMAMOTO
Journal of the Ceramic Society of Japan Vol. 130 ( 12 ) page： 906 - 912 2022.12
-
A technique to modify the photoluminescence intensity of β-Ga2O3 polycrystals using an electric field during sintering Reviewed
R. ONO, A. Kodaira, T. TOKUNAGA, H. YOSHIDA, T. YAMAMOTO
Journal of Luminescence Vol. 254 page： 119508 2022.11
-
Shell-like structure to limit further densification formed during flash sintering under alternative current electric field for 8mol%Y2O3-doped ZrO2 Reviewed Open Access
M. Seko, K. Hattori, Y. Ishino, A. Kodaira, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan Vol. 130 ( 11 ) page： 895 - 898 2022.11
-
Microcrack healing in single-crystal cubic zirconia by thermal annealing Invited Reviewed
S. Kayukawa, Y. Katsuyama, A. Kodaira, T. Tokunaga, K. Morita, A. Nakamura, K. Higuchi, T. Yamamoto
Journal of the European Ceramic Society 2022.10
-
Flash self-joining of Y-TZP ceramics assisted with an ACelectric field Reviewed
K. Nambu, T. Kitaoka, K. Morita, K. Soga, T. Tokunaga, T. Yamamoto, H. Masuda, H. Yoshida
Journal of the American Ceramic Society Vol. 106 page： 2073 - 2082 2022.10
-
He buffer gas effect on Nd:YAG-PLD growth of EuxY2−xO3 phosphor thin films Invited Reviewed
S. Suzuki, T. Dazai, K. Kawashima, T. Tokunaga, T. Yamamoto, R. Takahashi
ACS Applied Electronics Materials Vol. 4 page： 4419 - 4426 2022.8
-
Microstructure and tensile strength of electrodeposited Fe-rich bcc FeCoNi medium-entropy alloys Reviewed
A. Watanabe,T. Yamamoto,R. Miyamoto, Y. Takigawa
Materials Science and Technology Vol. 39 ( 15 ) page： 2028 - 2034 2022.8
-
Effect of electron beam irradiation in gas atmosphere during ETEM Reviewed Open Access
T. Tokunaga, T. Kawakami, K. Higuchi, Y. Yamamoto, T. Yamamoto
Micron Vol. 158 page： 103289 2022.7
-
Variation of photoluminescence intensity depending on the timing of electric field application during isothermal flash sintering for 3mol%Y2O3-ZrO2 polycrystal Reviewed
A. Itoh, T. Tokunaga, A. Kodaira, H. Yoshida, T. Yamamoto
Ceramics International Vol. 48 page： 28712 - 28717 2022.6
-
Tensile strength of nanocrystalline FeCoNi medium-entropy alloy fabrication using electrodeposition Reviewed Open Access
A. Watanabe, T. Yamamoto, Y. Takigawa
Scientific Reports Vol. 12 page： 12076 2022.6
-
Estimation of excess oxygen-vacancy formed by direct-current electric field during flash sintering for 3 mol%–10 mol% Y2O3-doped ZrO2 Reviewed
N. Morisaki, T. Tokunaga, K. Kobayashi, A. Kodaira, T. Yamamoto
Ceramic International Vol. 48 page： 12091 - 12097 2022.5
-
A first attempt of automated shrinkage-rate control flash sintering using a current profile without feedback of shrinkage behavior for 8mol%Y2O3-doped ZrO2 Reviewed Open Access
M. Koike, Y. Ishino, T. Tokunaga, T. Yamamoto
Journal of the Ceramic Society of Japan Vol. 130 ( 4 ) page： 327 - 330 2022.4
-
Anelasticity induced by AC flash processing of cubic zirconia Reviewed Open Access
H. Masuda, K. Morita, T. Tokunaga, T. Yamamoto, H. Yoshida
Acta Materialia Vol. 227 page： 117704 2022.2
-
Electrode Overvoltage Model for a Flash State of Yttria-Stabilized Zirconia: Validity, Limitation, and Open New Issue Reviewed Open Access
K. Kobayashi, T. Yamamoto, K. Morita, T. S. Suzuki
Journal of the Ceramic Society of Japan Vol. 130 ( 1 ) page： 172 - 179 2022.1
-
Densification of Y2O3 by flash sintering under an AC electric field Reviewed Open Access
Kohta Nambu, Koji Morita, Kohei Soga, Takahisa Yamamoto, Hiroshi Masuda, Hidehiro Yoshida
Journal of the European Ceramic Society Vol. 42 page： 567 - 575 2021.11
-
Direct determination of a topmost atomic layer of (100) surfaces on (La0.3Sr0.7)(Al0.65Ta0.35)O3 single crystals annealed in air by high-resolution scanning transmission electron microscopy Reviewed
Y. Tokuda, T. Irimoto, N. Nishikawa, Y. Katsuyama, S. Kobayashi, T. Tokunaga, and T. Yamamoto
Surface and Interface Analysis Vol. 54 ( 11 ) page： 212 - 217 2021.11
-
Photoluminescence property of quinary Ag-(In,Ga)-(S,Se) quantum dots with a gradient alloy structure for in vivo bioimaging Reviewed
Nurmanita Rismaningsih, Hiroki Yamauchi, Tatsuya Kameyama, Takahisa Yamamoto, Saho Morita, Hiroshi Yukawa, Taro Uematsu, Yoshinobu Baba, Susumu Kuwabata, Tsukasa Torimoto
Journal of Materials Chemistry C Vol. 9 ( 37 ) page： 12791 - 12801 2021.8