Updated on 2024/03/23

写真a

 
YAMAMOTO Takahisa
 
Organization
Graduate School of Engineering Materials Design Innovation Engineering 2 Professor
Graduate School
Graduate School of Engineering
Undergraduate School
School of Engineering Materials Science and Engineering
Title
Professor
Contact information
メールアドレス
External link

Degree 1

  1. PhD ( 1997.9   The University of Tokyo ) 

Research Interests 5

  1. Flash sintering

  2. Cemented carbide

  3. Oxide thin film growth

  4. TEM/STEM

  5. Ceramic

Research Areas 3

  1. Nanotechnology/Materials / Nanostructural physics  / TEM/STEM

  2. Nanotechnology/Materials / Structural materials and functional materials  / Ceramic

  3. Nanotechnology/Materials / Thin film/surface and interfacial physical properties  / Oxide thin film growth

Current Research Project and SDGs 2

  1. Flash sintering for oxide ceramics

  2. Thin film growth and nano-scale analysis for oxides

Research History 6

  1. Nagoya University   Professor

    2017.4

  2. Nagoya University   Professor

    2011.6 - 2017.3

  3. The University of Tokyo   Associate professor

    2001.4 - 2011.5

  4. The University of Tokyo   Assistant Professor

    1999.7 - 2001.3

  5. The University of Tokyo   Assistant Professor

    1999.4 - 1999.6

  6. The University of Tokyo   Assistant

    1989.4 - 1999.3

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Education 2

  1. The University of Tokyo

    1987.4 - 1989.3

  2. The University of Tokyo

    1982.4 - 1987.3

Professional Memberships 4

  1. 日本セラミックス協会

    1989.4

  2. 日本顕微鏡学会

    1989.4

  3. 日本金属学会

    1989.4

  4. 粉体粉末冶金協会

Committee Memberships 1

  1. 日本金属学会   学会誌編集委員  

    2017.4 - 2022.3   

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    Committee type:Academic society

Awards 6

  1. 第23回論文賞

    2022.5   粉体粉末冶金協会  

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    Award type:Honored in official journal of a scientific society, scientific journal  Country:Japan

  2. Award of the Outstanding Papers and Reviews Published in the JCerSJ

    2022.4   The Ceramic Society of Japan   Rapid sintering of 3 mol % Y2O3-doped ZrO2 by a combined rapid furnace heating and shrinkage-controlled flash sintering protocol

    Y. ISHINO, K. TAGUCHI, A. KODAIRA, T. TOKUNAGA, T. YAMAMOTO

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    Award type:Honored in official journal of a scientific society, scientific journal  Country:Japan

  3. Award of the Outstanding Papers Published in the Journal of the Ceramic Society of Japan in 2020

    2021.4   Flash sintering for BaTiO3 with square alternating current field including zero-field duration

    Ryosuke UMEMURA, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

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    Award type:Honored in official journal of a scientific society, scientific journal 

  4. 第43回研究進歩賞

    2019.6   一般社団法人 粉体粉末冶金協会   フラッシュ焼結の学理構築とセラミックス製造技術の確立

    山本 剛久

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  5. 第56回 瀬藤賞

    2011.5   公益社団法人 日本顕微鏡学会   セラミック粒界・界面構造設計への透過型電子顕微鏡法の応用

    山本 剛久

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  6. 第63回 学術賞

    2008.6   公益社団法人 日本セラミックス協会   構造・機能セラミックスの粒界計測と組織制御に関する研究

    山本 剛久

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

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Papers 112

  1. 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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1016/j.scriptamat.2024.116088

  2. 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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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.2109/jcersj2.23170

  3. 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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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1016/j.jeurceramsoc.2023.12.046

  4. One-pot synthesis of Ag–In–Ga–S nanocrystals embedded in a Ga2O3 matrix and enhancement of band-edge emission by Na+ doping Reviewed

    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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1039/d3na00755c

  5. 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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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  6. Improvements in Flash Sintering for Practical Application Reviewed

    Takahisa YAMAMOTO

    Materials Transactions   Vol. 64 ( 9 ) page: 2059 - 2068   2023.9

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/matertrans.MT-Y2023003

  7. Apparent Sintering Activation Energy Estimated by Master Sintering Curves for 8 mol% Y2O3 Doped ZrO2 Polycrystals during Shrinkage-Rate Controlled Flash Sintering Reviewed

    Masao KOIKE, Ayu KODAIRA, Tomoharu TOKUNAGA, and Takahisa YAMAMOTO

    Materials Transactions   Vol. 64 ( 9 ) page: 2315 - 2320   2023.9

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/matertrans.MT-M2023048

  8. 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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.jpcc.3c01679

  9. 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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1021/acs.chemmater.3c01150

  10. PromotingOxygenReductionReactionby ExcitationofLocalizedSurfacePlasmonof Shape-and Facet-ControlledOctahedralAu@PtCore-ShellNanocrystals Reviewed

    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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/celc.202300182

  11. 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

    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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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/jinstmet.J2023001

  12. 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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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jeurceramsoc.2023.06.001

  13. Scanning electron microscopy observation in wide field of view for SrO/TiO2-terminated step-terrace structure formed on SrTiO3 (001) single crystal surface Reviewed

    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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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.23011

  14. 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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    Language:English  

    DOI: 10.1063/5.0144271

  15. 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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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1080/02670836.2023.2187973

  16. 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   2023.3

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.2109/jcersj2.23179

  17. 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

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/adem.202201807

  18. Local crystallization of amorphous AlOx thin film using electron beam irradiation by SEM Reviewed

    T. Tokunaga, S. Tanahashi, S. Okawara, T. Yamamoto

    Materials Transactions   Vol. 64 ( 1 ) page: 184 - 190   2023.1

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.2320/matertrans.MT-N2022004

  19. 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

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.2479/jjspm.70.18

  20. Shrinkage-rate controlled flash sintering for 3 - 10 mol%Y2O3-doped ZrO2 polycrystals Reviewed

    M. KOIKE, A. KODARIA, T. TOKUNAGA, T. YAMAMOTO

    Journal of the Ceramic Society of Japan   Vol. 130 ( 12 ) page: 906 - 912   2022.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.2109/jcersj2.22114

  21. 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

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jlumin.2022.119508

  22. Shell-like structure to limit further densification formed during flash sintering under alternative current electric field for 8mol%Y2O3-doped ZrO2 Reviewed

    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

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.22109

  23. 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

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jeurceramsoc.2022.10.065

  24. 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

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1111/jace.18889

  25. 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

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1021/acsaelm.2c00691

  26. 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

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  27. Effect of electron beam irradiation in gas atmosphere during ETEM Reviewed

    T. Tokunaga, T. Kawakami, K. Higuchi, Y. Yamamoto, T. Yamamoto

    Micron   Vol. 158   page: 103289   2022.7

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  28. 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

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1016/j.ceramint.2022.06.185

  29. Tensile strength of nanocrystalline FeCoNi medium-entropy alloy fabrication using electrodeposition Reviewed

    A. Watanabe, T. Yamamoto, Y. Takigawa

    Scientific Reports   Vol. 12   page: 12076   2022.6

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  30. 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

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    DOI: https://doi.org/10.1016/j.ceramint

  31. 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

    M. Koike, Y. Ishino, T. Tokunaga, T. Yamamoto

    Journal of the Ceramic Society of Japan   Vol. 130 ( 4 ) page: 327 - 330   2022.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: http://doi.org/10.2109/jcersj2.22009

  32. Anelasticity induced by AC flash processing of cubic zirconia Reviewed

    H. Masuda, K. Morita, T. Tokunaga, T. Yamamoto, H. Yoshida

    Acta Materialia   Vol. 227   page: 117704   2022.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.actamat.2022.117704

  33. Electrode Overvoltage Model for a Flash State of Yttria-Stabilized Zirconia: Validity, Limitation, and Open New Issue Reviewed

    K. Kobayashi, T. Yamamoto, K. Morita, T. S. Suzuki

    Journal of the Ceramic Society of Japan   Vol. 130 ( 1 ) page: 172 - 179   2022.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.21078

  34. Densification of Y2O3 by flash sintering under an AC electric field Reviewed

    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

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jeurceramsoc.2021.10.029

  35. 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

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/sia.7043

  36. 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

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.1039/D1TC02746H

  37. Rapid sintering of 3 mol% Y2O3-doped ZrO2 by a combined rapid furnace heating and shrinkage-controlled flash sintering protocol Reviewed

    Yuki ISHINO, Kimihiro TAGUCHI, Ayu KODAIRA, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the Ceramic Society of Japan   Vol. 129 ( 8 ) page: 551 - 554   2021.8

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.21066

  38. He Buffer Gas for Moderating the Kinetic Energy of Pulsed Laser Deposition Plumes Reviewed

    Ryota Takahashi, Takahisa Yamamoto, Mikk Lippmaa

    Crystal Growth & Design   Vol. 21 ( 9 ) page: 5017 - 5026   2021.7

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  39. Near complete densification of flash sintered 8YSZ: controlled shrinkage rate effects Reviewed

    Kimihiro TAGUCHI, Yuki ISHINO, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the European Ceramic Society   Vol. 41 ( 8 ) page: 4567 - 4571   2021.7

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jeurceramsoc.2021.03.005

  40. Shrinkage rate control during a flash state by current-ramping for 3mol%Y2O3-doped ZrO2 polycrystals Reviewed

    Yuki ISHINO, Kimihiro TAGUCHI, Masao KOIKE, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the American Ceramic Society   Vol. 104 ( 10 ) page: 4960 - 4967   2021.5

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1111/jace.17912

  41. Electric current dependence of plastic flow behavior with large tensile elongation in tetragonal zirconia polycrystal under a DC field Reviewed

    Yamato Sasaki, Koji Morita, Takahisa Yamamoto, Kohei Soga, Hiroshi Masuda, Hidehiro Yoshida

    Scripta Materialia   Vol. 194   page: 113659   2021.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.scriptamat.2020.113659

  42. Constant shrinkage rate control during a flash event for 8 mol%Y2O3-doped ZrO2 polycrystals Reviewed

    Kimihiro TAGUCHI, Yuki ISHINO, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the Ceramic Society of Japan   Vol. 129 ( 3 ) page: 204 - 207   2021.3

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.20192

  43. Nanopillar composite electrodes for solar‑driven water splitting Reviewed

    Mikk Lippmaa, Seiji Kawasaki, Ryota Takahashi, Takahisa Yamamoto

    MRS BULLETIN   Vol. 46 ( 2 ) page: 142 - 151   2021.2

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1557/s43577-021-00030-6

  44. セラミックスにおける強電界ナノダイナミクス Reviewed

    吉田英弘,増田紘士,森田孝治,山本剛久

    まてりあ   Vol. 60 ( 1 ) page: 19 - 24   2021.1

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.2320/materia.60.19

  45. Cross-sectional area dependency of shrinkages and grain sizes in flash sintered 3mol%Y2O3-ZrO2 polycrystals at direct and alternating electric current fields Reviewed

    Tsuyoshi KURACHI, Kiyoshi KOBAYASHI, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the Japan Society of Powder and Powder Metallurgy   Vol. 68 ( 11 ) page: 487 - 493   2021

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  46. Power dissipation behaviors during SCF-sintering for 8 mol% Y2O3-doped ZrO2 Reviewed

    Yuki ISHINO, Kimihiro TAGUCHI, Ayu KODAIRA, Tomoharu TOKUNAGA, Takahisa YAMAMOTO

    Journal of the Japan Society of Powder and Powder Metallurgy   Vol. 68 ( 11 ) page: 482 - 486   2021

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  47. Flash sintering for BaTiO3 with square alternating current field including zero-field duration Reviewed

    Umemura, R; Tokunaga, T; Yamamoto, T

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   Vol. 128 ( 12 ) page: 1018 - 1023   2020.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2109/jcersj2.20181

  48. フラッシュ焼結の学理構築と革新的焼結技術への展開(受賞解説論文平成 30 年度研究進歩賞) Invited Reviewed

    山本 剛久, 吉田 英弘

    Journal of Lapanese Society of Powder and Powder Metallurgy   Vol. 67 ( 11 ) page: 593 - 600   2020.11

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)  

  49. Controlling the visible-light driven photocatalytic activity of alloyed ZnSe-AgInSe(2)quantum dots for hydrogen production Reviewed

    Hsieh, PY; Kameyama, T; Takiyama, T; Masuoka, K; Yamamoto, T; Hsu, YJ; Torimoto, T

    JOURNAL OF MATERIALS CHEMISTRY A   Vol. 8 ( 26 ) page: 13142 - 13149   2020.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/d0ta04127k

  50. Controlling the oxidation state of molybdenum oxide nanoparticles prepared by ionic liquid/metal sputtering to enhance plasmon-induced charge separation Reviewed

    Akiyoshi, K; Kameyama, T; Yamamoto, T; Kuwabata, S; Tatsuma, T; Torimoto, T

    RSC ADVANCES   Vol. 10 ( 48 ) page: 28516 - 28522   2020.8

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    DOI: 10.1039/d0ra05165a

  51. Blue photo luminescence from 3 mol%Y2O3-doped ZrO2 polycrystals sintered by flash sintering under an alternating current electric field Reviewed

    Y. Yamashita, T. Kurachi, T.Tokunaga, H. Yoshida, T. Yamamoto

    Journal of the European Ceramic Society   Vol. 40   page: 2072 - 2076   2020.6

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    DOI: 10.1016/j.jeurceramsoc.2019.12.060

  52. Doping effect on the flash sintering of Y2O3: Promotion of densification and optical translucency Reviewed

    H. Yoshidaa, H. Hayasaka, K. Soga, K. Morita, B.N. Kim, T. Yamamoto

    Journal of the European Ceramic Society   Vol. 40   page: 6053 - 6060   2020.6

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    DOI: 10.1016/j.jeurceramsoc.2020.06.041

  53. Suppression of nitridation of yttria-doped zirconia during flash sintering Reviewed

    Kurachi, T; Yamashita, Y; Tokunaga, T; Yoshida, H; Yamamoto, T

    Journal of the American Ceramic Society   Vol. 103 ( 5 ) page: 3002 - 3007   2020.5

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    DOI: 10.1111/jace.16990

  54. H2 production from methane decomposition by fullerene at low temperature Reviewed

    T. Tokunaga, K. Kuno, T. Kawakami, T. Yamamoto, A. Yoshigoe

    International Journal of Hydrogen Energy   Vol. 45   page: 14347 - 14353   2020.4

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    DOI: 10.1016/j.ijhydene.2020.03.17

  55. Blue photoluminescence at room temperature from Y2O3-doped ZrO2 polycrystals sintered by flash sintering Reviewed

    Yamashita, Y; Itoh, A; Tokunaga, T; Yoshida, H; Yamamoto, T

    APPLIED PHYSICS EXPRESS   Vol. 13 ( 2 ) page: 35506   2020.3

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    DOI: 10.35848/1882-0786/ab7710

  56. Tailored Photoluminescence Properties of Ag(In,Ga)Se-2 Quantum Dots for Near-Infrared In Vivo Imaging Reviewed

    Kameyama, T; Yamauchi, H; Yamamoto, T; Mizumaki, T; Yukawa, H; Yamamoto, M; Ikeda, S; Uematsu, T; Baba, Y; Kuwabata, S; Torimoto, T

    ACS APPLIED NANO MATERIALS   Vol. 3 ( 4 ) page: 3275 - 3287   2020.3

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    DOI: 10.1021/acsanm.9b02608

  57. Noble metal clustering and nanopillar formation in an oxide matrix Reviewed

    Lippmaa, M; Kawasaki, S; Takahashi, R; Yamamoto, T

    JAPANESE JOURNAL OF APPLIED PHYSICS   Vol. 59 ( 1 ) page: 10501   2020.1

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    DOI: 10.7567/1347-4065/ab57e2

  58. Microstructural heterogeneity in the electrodeposited Ni: insights from growth modes Reviewed

    Matsui, I; Watanabe, A; Takigawa, Y; Omura, N; Yamamoto, T

    Scientific Reports   Vol. 10 ( 1 ) page: 5548   2020.1

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    DOI: 10.1038/s41598-020-62565-z

  59. Photoluminescence properties of undoped and Si4+-doped polycrystalline Y2O3 phosphors prepared by flash-sintering Reviewed

    Nambu, K; Hayasaka, H; Yamamoto, T; Yoshida, H

    APPLIED PHYSICS EXPRESS   Vol. 12 ( 7 ) page: 75504   2019.12

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    DOI: 10.7567/1882-0786/ab2b6e

  60. Technique to control specimen electric current during a flash state with alternating current electric fields Reviewed

    Yamashita, Y; Kurachi, T; Tokunaga, T; Yoshida, H; Yamamoto, T

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   Vol. 127 ( 11 ) page: 849 - 851   2019.11

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    DOI: 10.2109/jcersj2.19144

  61. Core Nanoparticle Engineering for Narrower and More Intense Band-Edge Emission from AgInS2/GaSx Core/Shell Quantum Dots Reviewed

    Hoisang, W; Uematsu, T; Yamamoto, T; Torimoto, T; Kuwabata, S

    NANOMATERIALS   Vol. 9 ( 12 ) page: 1763   2019.9

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    DOI: 10.3390/nano9121763

  62. Mechanical properties and microstructures after abnormal grain growth in electrodeposited Ni-W alloys Reviewed

    Matsui, I; Watanabe, A; Uesugi, T; Omura, N; Takigawa, Y; Yamamoto, T

    MATERIALIA   Vol. 8 - 100481   2019.8

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    DOI: 10.1016/j.mtla.2019.100481

  63. Local Structure of High Performance TiOx Electron-Selective Contact Revealed by Electron Energy Loss Spectroscopy Reviewed

    T. Mochizuki, K. Gotoh, Y. Kurokawa, T. Yamamoto, N. Usami

    Advanced Materials Interfaces   Vol. 6 ( 3 ) page: 1801645   2019.6

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    DOI: 10.1002/admi.201801645

  64. Direct observation of strain-stored grains in electrodeposited nanocrystalline Ni-W alloys by low-angle annular dark field diffraction contrast imaging Reviewed

    Matsui, I; Takigawa, Y; Yamamoto, T

    SCRIPTA MATERIALIA   Vol. 166   page: 29 - 33   2019.2

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    DOI: 10.1016/j.scriptamat.2019.03.001

  65. Removal of carbon contamination in ETEM by introducing Ar during electron beam irradiation Reviewed

    Tokunaga, T; Saito, K; Kuno, K; Higuchi, K; Yamamoto, Y; Yamamoto, T

    JOURNAL OF MICROSCOPY   Vol. 273 ( 1 ) page: 46 - 52   2019.1

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    DOI: 10.1111/jmi.12759

  66. Wavelength-Tunable Band-Edge Photoluminescence of Nonstoichiometric Ag-In-S Nanoparticles via Ga3+ Doping Reviewed

    Kameyama, T; Kishi, M; Miyamae, C; Sharma, DK; Hirata, S; Yamamoto, T; Uematsu, T; Vacha, M; Kuwabata, S; Torimoto, T

    ACS APPLIED MATERIALS & INTERFACES   Vol. 10 ( 49 ) page: 42844 - 42855   2018.10

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    DOI: 10.1021/acsami.8b15222

  67. Narrow band-edge photoluminescence from AgInS2 semiconductor nanoparticles by the formation of amorphous III-VI semiconductor shells Reviewed

    T. Uematsu, K. Wajima, D. Kumar Sharma, S. Hirata, T. Yamamoto, T. Kameyama, M. Vacha, T. Torimoto, S. Kuwabata

    NPG Asia Materials   Vol. 10   page: 713-726   2018.10

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    DOI: DOI 10.1038/s41427-018-0067-9

  68. フラッシュ焼結による 酸化物セラミックスの 製造とその関連技術 Invited Reviewed

    吉田英弘、山本剛久

    セラミックス   Vol. 53 ( 9 ) page: 591-594   2018.9

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  69. 電析バルクナノ結晶 Ni 合金における 粒界安定性と機械的特性の関係 Reviewed

    松井 功, 尾村 直紀, 山本 剛久, 瀧川 順庸

    まてりあ   Vol. 57 ( 10 ) page: 479-486   2018.8

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    DOI: doi:10.2320/materia.57.479

  70. フラッシュ焼結によるセラミックスの緻密化~電界下の物質輸送の素過程~ Invited Reviewed

    山本 剛久、小林 哲朗、吉田 英弘

      Vol. 65 ( 10 ) page: 646-653   2018.7

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  71. Topotactic Synthesis of Mesoporous 12CaO·7Al2O3 Mesocrystalline Microcubes toward Catalytic Ammonia Synthesis Reviewed

    G. Hasegawa, S. Moriya,M. Inada,M. Kitano,M. Okunaka, T. Yamamoto,Y. Matsukawa, K. Nishimi,K. Shima,N. Enomoto,S. Matsuishi, H. Hosono, K. Hayashi

    Chem. Mater.   Vol. 30   page: 4498−4502   2018.7

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    DOI: DOI:10.1021/acs.chemmater.8b01819

  72. Rod-shaped Zn-Ag-In-Te nanocrystals with wavelength-tunable band-edge photoluminescence in the near-IR region Reviewed

    T. Kameyama, K. Sugiura, Y. Ishigami, T. Yamamoto, S. Kuwabata, T. Okuhata, N. Tamai, T. Torimoto

    Journal of Materials Chemistry C   Vol. 6   page: 2034--2042   2018.6

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    DOI: 10.1039/c7tc05624a

  73. Effect of low-temperature annealing on tensile behavior of electrodeposited bulk nanocrystalline Ni-W alloys Reviewed

    Matsui, I; Yamamoto, T; Omura, N; Takigawa, Y

    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING   Vol. 709   page: 241 - 246   2018.5

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    DOI: 10.1016/j.msea.2017.10.071

  74. 酸化物系セラミックのフラッシュ焼結と 今後の進展 Invited Reviewed

    山本 剛久、吉田 英弘

    まてりあ   Vol. 57 ( 8 ) page: 373-380   2018.4

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    DOI: [doi:10.2320/materia.57.373

  75. Production of transparent yttrium oxide ceramics by the combination of low temperature spark plasma sintering and zinc cation-doping Reviewed

    Journal of the European Ceramic Society   Vol. 38 ( 4 ) page: 1972-1980   2018.4

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    DOI: http://dx.doi.org/10.1016/j.jeurceramsoc.2017.10.047

  76. Intergranular amorphous films formed by DC electric field in pure zirconia Reviewed

    N. Morisaki, H. Yoshida, T. Kobayashi, T. Tokunaga, T. Yamamoto

    Journal of the American Ceramic Society   Vol. 101   page: 3282-3287   2018.2

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    DOI: https://doi.org/10.1111/jace.15485

  77. Multiphase nanodomains in a strained BaTiO3 film on a GdScO3 substrate Reviewed

    S.Kobayashi, K.Inoue, T.Kato, Y.Ikuhara, T.Yamamoto

    Journal of Applied Physics   Vol. 123   page: 06402   2018.2

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    DOI: https://doi.org/10.1063/1.5012545

  78. Enhanced Photocatalytic Activity of Zn-Ag-In-S Semiconductor Nanocrystals with a Dumbbell-Shaped Heterostructure Reviewed

    T. Kameyama, S. Koyama, T. Yamamoto, S. Kuwabata, T. Torimoto

    J. Phys. Chem. C   Vol. 122 ( 25 ) page: 13705-13715   2018.1

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    DOI: DOI: 10.1021/acs.jpcc.8b00255

  79. Electrodeposition with intermittent addition of trimethylamine borane to produce ductile bulk nanocrystalline Ni-B alloys Reviewed

    I. Matsui, N. Omura, T. Yamamoto, Y. Takigawa

    Surface & Coatings Technology   Vol. 337   page: 411-417   2018.1

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    DOI: https://doi.org/10.1016/j.surfcoat.2018.01.041

  80. Directly determining the polarity of WC grains in WC-12wt%Co alloy by ABF-STEM Reviewed

    Y. Hayashi, T. Tokunaga, K. Sasaki, T. Yamamoto

    Inter. J. Refract. Met. Hard Mater.   Vol. 62   page: 9 - 13   2017.10

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    DOI: 10.1016/j.ijrmhm.2016.10.013

  81. Microstructure analysis of IrO2 thin films Reviewed

    X. Houa, R. Takahashi, T. Yamamoto, M. Lippmaaa

    Journal of Crystal Growth   Vol. 462   page: 24 - 28   2017.5

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    DOI: 10.1016/j.jcrysgro.2016.12.104

  82. Consolidation of undoped, monoclinic zirconia polycrystals by flash sintering Reviewed

    N. Morisaki, H. Yoshida, T. Tokunaga, K. Sasaki, T. Yamamoto

    J. Am. Ceram. Soc.   Vol. 100   page: 3851-3857   2017.4

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    DOI: https://doi.org/10.1111/jace.14954

  83. Methane decomposition for hydrogen production by catalytic activity of Reviewed

    T. Tokunaga, N. Kishi, K. Yamakawa, K. Sasaki, T. Yamamoto

    Journal of the Ceramic Society of Japan   Vol. 125 ( 4 ) page: 185-189   2017.4

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    DOI: http://doi.org/10.2109/jcersj2.16246

  84. Electric current-controlled synthesis of BaTiO3 Reviewed

    Y. Nakagawa, H. Yoshida, A. Uehashi, T. Tokunaga, K. Sasaki, T. Yamamoto

    J. Am. Ceram. Soc.   Vol. 100   page: 3843-3850   2017.4

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    DOI: https://doi.org/10.1111/jace.14938

  85. Single step preparation of indium tin oxide nanocrystals dispersed in ionic liquids via oxidation of molten In Sn alloys Reviewed

    D. Sugioka, T. Kameyama, T. Yamamoto, S. Kuwabata, T. Torimoto

    Chem. Commun.   Vol. 52   page: 12241-12244   2016.11

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    DOI: 10.1039/c6cc06517a

  86. Formation of a Pt-Decorated Au Nanoparticle Monolayer Floating on an Ionic Liquid by the Ionic Liquid/Metal Sputtering Method and Tunable Electrocatalytic Activities of the Resulting Monolayer Reviewed

    D.Sugioka, T. Kameyama, S. Kuwabata, T. Yamamoto, T. Torimoto

    ACS Appl. Mater. Interfaces   Vol. 8 ( 17 ) page: 10874–10883   2016.8

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    DOI: 10.1021/acsami.6b01978

  87. Reduction in sintering temperature for flash-sintering of yttria by nickel cation-doping Reviewed

    H. Yoshida, K. Morita, BN. Kim, Y. Sakka, T. Yamamoto

      Vol. 106 ( 5 ) page: 344–352   2016.5

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    DOI: http://dx.doi.org/10.1016/j.actamat.2016.01.037

  88. Formation of grain boundary second phase in BaTiO3 polycrystal under a high DC electric field at elevated temperatures Reviewed

    H. Yoshida, A. Uehashi, T. Tokunaga, K. Sasaki, T. Yamamoto

    J. Ceram. Soc. Jpn.   Vol. 124 ( 4 ) page: 388-392   2016.4

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    DOI: http://doi.org/10.2109/jcersj2.15259

  89. Direct observation of B-site ordering in LSAT: (La0.3Sr0.7)(Al0.65Ta0.35)O3 single crystal Reviewed

    S. Okada, S. Kobayashi, K. Ohashi, N. Nishikawa, T. Tokunaga, K. Sasaki, T. Yamamoto

    Appl. Phys. Lett.   Vol. 108   page: 4   2016

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    DOI: http://dx.doi.org/10.1063/1.4954945

  90. Synthesis of zirconium oxynitride in air under DC electric fields Invited Reviewed

    N. Morisaki, H. Yoshida, K. Matsui, T. Tokunaga, K. Sasaki, T. Yamamoto

    Appl. Phys. Lett.   Vol. 109   page: 083104   2016

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    DOI: http://dx.doi.org/10.1063/1.4961624

  91. Photoelectrochemical water splitting enhanced by self-assembled metal nanopillars embedded in an oxide semiconductor photoelectrode Reviewed

    S. Kawasaki, R. Takahashi, T. Yamamoto, M. Kobayashi, H. Kumigashira, J. Yoshinobu, F. Komori, A. Kudo, M. Lippmaa

    Nature Communications   Vol. 7   page: 11818   2016

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    DOI: 10.1038/ncomms11818

  92. High Electron Mobility of Nb-Doped SrTiO3 Films Stemming from Rod-Type Sr Vacancy Clusters Reviewed

    S. Kobayashi, Y. Mizumukai, T. Ohnishi, N. Shibata, Y. Ikuhara and T. Yamamoto

    Sr Vacancy Clusters   Vol. 9 ( 11 ) page: 10769   2015.11

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    DOI: 10.1021/acsnano.5b05720

  93. Controlling the Electronic Energy Structure of ZnS-AgInS2 Solid Solution Nanocrystals for Photoluminescence and Photocatalytic Hydrogen Evolution Reviewed

      Vol. 119 ( 44 ) page: 24740-24749   2015.11

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    DOI: 10.1021/acs.jpcc.5b07994

  94. Carbon content dependence of grain growth mode in VC-doped WC-Co hardmetals Reviewed

    I. Sugiyama, Y. Mizumukai, T. Taniguchi, K. Okada, T. Tanase, Y. Ikuhara and T. Yamamoto

    INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS   Vol. 52   page: 245   2015.6

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    DOI: 10.1016/j.ijrmhm.2015.07.002

  95. Enhancement of sintering rates in BaTiO3 by controlling of DC electric current Reviewed

    A. Uehashi, H. Yoshida, T. Tokunaga, K. Sasaki, T. Yamamoto

    J. Ceram.Soc. Jpn.   Vol. 123 ( 6 ) page: 465-468   2015.6

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    DOI: http://dx.doi.org/10.2109/jcersj2.123.465

  96. Assessment of Strain-Generated Oxygen Vacancies Using SrTiO3 Bicrystals Reviewed

    SY. Choi, SD Kim, M. Choi, HS Lee, J. Ryu, N. Shibata, T. Mizoguchi, E. Tochigi, T. Yamamoto, SJL. Kang, Y. Ikuhara

    Nano Lett.   Vol. 15 ( 6 ) page: 4129–4134   2015.6

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    DOI: 10.1021/acs.nanolett.5b01245

  97. In situ observation of carbon nanotube yarn during voltage application Reviewed

    T. Tokunaga, Y. Hayashi, T. Iijima, Y. Uesugi, M. Unten, K. Sasaki, T. Yamamoto

    Micron   Vol. 74   page: 30–34   2015.5

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    DOI: http://dx.doi.org/10.1016/j.micron.2015.04.004

  98. Ultrathin oxide shell coating of metal nanoparticles using ionic liquid/metal sputtering Reviewed

    T. Torimoto, Y. Ohta, K. Enokida, D. Sugioka, T. Kameyama, T. Yamamoto, T. Shibayama, K. Yoshii, T. Tsudac, S. Kuwabata*

    Journal of Materials Chemistry A   Vol. 3   page: 6177-6186   2015.3

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    DOI: 10.1039/c4ta06643j

  99. Spatially-resolved mapping of history-dependent coupled electrochemical and electronical behaviors of electroresistive NiO Reviewed

    I. Sugiyama, Y. Kim, S. Jesse, E. Strelcov, A. Kumar, A. Tselev, E. Rahani, T. Yamamoto, N. Shibata, Y. Ikuhara

    Scientific reports   Vol. 4   2014.10

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    DOI: 10.1038/srep06725

  100. Spontaneous Growth of Strain-Free Magnetite Nanocrystals via Temperature-Driven Dewetting Reviewed

    R. Takahashi, H. Misumi, T. Yamamoto, M. Lippmaa

    Cryst. Growth Design   Vol. 14 ( 3 ) page: 1264-1271   2014.5

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    DOI: 10.1021/cg5000414

  101. Densification behavior and microstructural development in undoped yttria prepared by flash-sintering Reviewed

    H. Yoshidaa, Y. Sakkaa, T. Yamamoto, JM Lebrun, R. Raj

    J. Euro. Ceram. Soc.   Vol. 34 ( 4 ) page: 991-1000   2014.4

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    DOI: 10.1016/j.jeurceramsoc.2013.10.031

  102. Fabrication of tin-filled carbon nanofibres by microwave plasma vapour deposition and their in situ heating observation by environmental transmission electron microscopy Reviewed

    T. Tokunaga, T. Kanematsu, T. Ito, T. Ota, Y. Hayashi, K. Sasaki, T. Yamamoto

    Nanoscale Research Letters   Vol. 8 ( 302 )   2013.8

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    DOI: 10.1186/1556-276X-8-302

  103. Atomistic study of abnormal grain growth structure in BaTiO3 by transmission electron microscopy and scanning transmission electron microscopy Reviewed

    SJ. Zheng, XL. Ma, T. Yamamoto, Y. Ikuhara

    ACTA MATERIALIA   Vol. 61 ( 7 ) page: 2298-2307   2013.7

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  104. Effect of local coordination of Mn on Mn-L-2,L-3 edge electron energy loss spectrum Reviewed

    S. Nishida, S. Kobayashi, A. Kumamoto, H. Ikeno, T. Mizoguchi, I. Tanaka, Y. Ikuhara, T. Yamamoto

      Vol. 114 ( 5 ) page: 054906   2013.5

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  105. Ferromagnetic dislocations in antiferromagnetic NiO Reviewed

    I. Sugiyama, N. Shibata, Z. Wang, S. Kobayashi, T. Yamamoto and Y. Ikuhara

    NATURE NANOTECHNOLOGY   Vol. 8   page: 266-270   2013.4

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    DOI: 10.1038/NNANO.2013.45

  106. Unusual 90 degrees domain structure in (2/3)Bi(Zn1/2Ti1/2)O-3-(1/3)BiFeO3 epitaxial films with giant 22% tetragonal distortion Reviewed

    S. Yasui, K. Yazawa, M. Matsushima, T. Yamada, H. Morioka, H. Uchida, T. Iijima, L. You, JL. Wang, T. Yamamoto, Y. Ikuhara, H. Funakubo

    APPLIED PHYSICS LETTERS   Vol. 103 ( 4 ) page: 042904   2013.4

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  107. Periodic Nanowire Array at the Crystal Interface Reviewed

    A. Nakamura, T. Mizoguchi, K. Matsunaga, T. Yamamoto, N. Shibata, Y. Ikuhara

    ACS NANO   Vol. 7 ( 7 ) page: 6297-6302   2013.1

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  108. Labyrinth-type domain structure of heteroepitaxial SrMnO2.5 film Reviewed

    S. Kobayashi, Y. Ikuhara, T. Yamamoto

    APPLIED PHYSICS LETTERS   Vol. 102 ( 23 ) page: 231911   2013.1

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  109. Doping effect on sinterability of polycrystalline yttria: From the viewpoint of cation diffusivity Reviewed

    H. Yoshida, M. Kodo, K. Soga and T. Yamamoto

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   ( 32 ) page: 3103-3114   2012.9

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    DOI: 10.1016

  110. Simultaneous visualization of oxygen vacancies and the accompanying cation shifts in a perovskite oxide by combining annular imaging techniques Reviewed

    S. Kobayashi, SD. Findlay, N. Shibata, T. Mizoguchi, Y. Sato, E. Okunishi, Y. Ikuhara and T. Yamamoto

    APPLIED PHYSICS LETTERS   Vol. 100 ( 19 ) page: 193112   2012.5

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    DOI: 10.1063/1.4714920

  111. Formation of (W,V)Cx layers at the WC/Co interfaces in the VC-doped WC-Co cemented carbide Reviewed

    I. Sugiyama, Y. Mizumukai, T. Taniuchi, K. Okada, F. Shirase, T. Tanase, Y. Ikuhara and T. Yamamoto

    INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS   Vol. 30 ( 1 ) page: 185-187   2012.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.ijrmhm.2011.08.006

  112. Characterization and atomic modeling of an asymmetric grain boundary Reviewed

    H. S. Lee, T. Mizoguchi, T. Yamamoto, S. J. L. Kang and Y. Ikuhara

    Physical Review B   Vol. 84 ( 19 ) page: 195319   2011

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    Language:English   Publishing type:Research paper (scientific journal)  

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Books 2

  1. 表面・界面技術ハンドブック ~材料創製・分析・評価の最新技術から先端産業への適用、環境配慮まで~

    ( Role: Contributor ,  第2編第3節)

    (株)エヌ・ティー・エス  2016.4 

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    Book type:Scholarly book

  2. セラミック材料の物理

    幾原 雄一( Role: Contributor ,  第六章)

    日刊工業新聞社  1999.9 

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    Language:Japanese Book type:Scholarly book

MISC 16

  1. フラッシュ焼結法の焼結機構とその応用事例 Invited Reviewed

    山本 剛久

    セラミックス・金属の焼成、焼結技術とプロセス ㈱情報技術協会      page: 190 - 201   2024.2

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)  

  2. 微細構造を知る(2)(TEM)─透過型電子顕微鏡の基本的な 仕組みと得られる情報の基礎─ Reviewed

    山本 剛久

    セラミックス   Vol. 59 ( 1 ) page: 61 - 67   2024.1

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  3. 金属材料実験の手引き 1.組織観察 1-7 透過型電子顕微鏡を用いた組織観察(続き) Reviewed

    山本 剛久, 小平 亜侑

    まてりあ   Vol. 61 ( 10 ) page: 686 - 698   2022.10

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

    DOI: https://doi.org/10.2320/materia.61.686

  4. 金属材料実験の手引き 1.組織観察 1-7 透過型電子顕微鏡を用いた組織観察 Reviewed

    山本 剛久, 小平 亜侑

    まてりあ   Vol. 61 ( 8 ) page: 499 - 507   2022.8

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

    DOI: https://doi.org/10.2320/materia.61.499

  5. トヨタ産業技術記念館(名古屋市) その二 Reviewed

    山本 剛久

    まてりあ   Vol. 61 ( 6 ) page: 356 - 358   2022.6

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

    DOI: https://doi.org/10.2320/materia.61.356

  6. 金属材料実験の手引き 1.組織観察 1-6 透過型電子顕微鏡の構造と仕組み Reviewed

    山本 剛久, 小平 亜侑

    まてりあ   Vol. 61 ( 6 ) page: 346 - 353   2022.6

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

    DOI: https://doi.org/10.2320/materia.61.346

  7. 第 52 回エンジニアリングセラミックスセミナー 講演概要「フラッシュ焼結技法の進展と今後の展開」 Invited

    山本 剛久

    日本セラミックス協会エンジニアリングセラミックス部会エンジニアリングセラミックスセミナー     page: 49 - 58   2021.11

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Lecture material (seminar, tutorial, course, lecture, etc.)  

  8. 金属実学講座シリーズ 金属材料実験の手引き 光学顕微鏡を用いた組織観察 Invited Reviewed

    山本 剛久

    まてりあ   Vol. 60 ( 2 ) page: 102 - 109   2021.2

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  9. 金属素描 タングステン Invited Reviewed

    山本 剛久

    まてりあ   Vol. 60 ( 2 ) page: 73 - 73   2021.2

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  10. あのころのまてりあ 日本金属学会創立の裏話 Invited Reviewed

    山本 剛久

    まてりあ   Vol. 60 ( 1 ) page: 41 - 47   2021.1

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  11. 科学館めぐりトヨタ産業技術記念館 Invited Reviewed

    山本 剛久

    まてりあ   Vol. 59 ( 12 ) page: 688 - 690   2020.12

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  12. フラッシュ焼結の学理構築と革新的焼結技術への展開(受賞記念:平成 30 年度研究進歩賞) Invited Reviewed

    山本 剛久, 吉田 英弘

      Vol. 67 ( 11 ) page: 593 - 600   2020.11

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  13. 学会・研究会だより 最先端電子顕微鏡技術と その応用に関する日独二国間交流セミナー Reviewed

    山本 剛久, 平山 司

    まてりあ   Vol. 59 ( 2 ) page: 108 - 109   2020.2

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  14. 高性能電子顕微鏡による反応科学・ ナノ材料科学研究支援拠点(名古屋大学) Invited Reviewed

    荒井重勇, 山本剛久

    まてりあ   Vol. 58 ( 12 ) page: 733 - 737   2019.12

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    Authorship:Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  15. 走査型透過電子顕微鏡法による陽イオン微小変位計測を用いた構造解析 Invited Reviewed

    小林 俊介, 山本 剛久, 幾原 雄一

    顕微鏡   Vol. 54 ( 1 ) page: 19 - 23   2019.1

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

  16. 思い出の教科書,この一冊! : 金属組織学序論 Reviewed

    山本剛久

    まてりあ   Vol. 59 ( 1 ) page: 51 - 51   2019.1

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    Authorship:Lead author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)  

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Presentations 25

  1. Formation of electric field-induced point defects by flash events Invited

    Takahisa Yamamoto

    The International Conference on Sintering 2023 (Sintering 2023)  2023.8.29 

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    Event date: 2023.8

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Nagaragawa Convention Center, Gifu, Japan   Country:Japan  

  2. Near-full compaction within only 30 min of total sintering time by shrinkage-rate controlled flash sintering in 3mol% Y2O3-doped ZrO2 polycrystal Invited International conference

    T. YAMAMOTO, A. KODAIRA, T. TOKUNAGA

    MSE 2022 - Materials Science and Engineering  2022.9.28 

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    Event date: 2022.9

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Darmstadt / Hybrid   Country:Germany  

  3. Photoluminescence of flash sintered yttria stabilized zirconia International conference

    Asa Itoh, Ayu Kodaira, Tomoharu Tokunaga, Hidehiro Yoshida, Takahisa Yamamoto

    MRM2021  2021.12.14 

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    Event date: 2021.12

    Language:English   Presentation type:Poster presentation  

    Venue:Yokohama  

  4. Shrinkage-controlled flash sintering as a modified flash sintering technique International conference

    Takahisa Yamamoto, Yuki Ishino, Asa Itoh, Ayu Kodaira, Tomoharu Tokunaga, Hidehiro Yoshida

    MRM2021  2021.12.14 

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    Event date: 2021.12

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Yokohama  

  5. フラッシュ焼結技法の進展と今後の展開 Invited

    山本 剛久

    第52回エンジニアリングセラミックスセミナー  2021.11.30  Webinar

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  6. 8YSZに対する電流制御フラッシュ焼結法の検討

    小池 真央, 石野 祐樹, 徳永 智春, 山本 剛久

    粉末冶金協会 2021年度秋季大会  2021.11.9  粉末冶金協会

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  7. Ga2O3フラッシュ焼結体の蛍光特性

    大野 稜乃丞, 伊藤 亜紗, 徳永 智春, 吉田 英弘, 山本 剛久

    粉末冶金協会 2021年度秋季大会  2021.11.9  粉末冶金協会

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  8. 線収縮挙動に着目したフラッシュ焼結法の改良

    石野 佑樹, 小池 真央, 徳永 智春, 山本 剛久

    日本金属学会2021年秋期(第169回)講演大会  2021.9.17  日本金属学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  9. 超純水処理による酸化物単結晶表面へのステップテラス構造の構築

    勝山 湧太郎, 徳田 祥典, 徳永 智春, 山本 剛久

    日本金属学会2021年秋期(第170回)講演大会  2021.9.17  日本金属学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  10. アモルファス薄膜の電子線照射による局所結晶化

    棚橋 俊介, 大川原 彩恵, 徳永 智春, 山本 剛久

    第82回応用物理学会秋季学術講演会  2021.9.10  応用物理学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  11. フラッシュ焼結における線収縮制御の有効性

    石野 佑樹, 小池 真央, 小平 亜侑, 徳永 智春, 山本 剛久

    日本セラミックス協会 第34回秋季シンポジウム  2021.9.2  日本セラミックス協会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  12. イットリア安定化ジルコニアにおける点欠陥構成に及ぼす電界印加効果について

    伊藤 亜紗, 吉田 英弘, 徳永 智春, 山本 剛久

    日本セラミックス協会 第34回秋季シンポジウム  2021.9.2  日本セラミックス協会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar  

  13. 酸化物系セラミックスのフラッシュ焼結と新規蛍光特性の発現 Invited

    山本 剛久

    令和3年度「放射線科学とその応用第186委員会」第38回研究会  2021.5.18  学振186委員会講演会

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    Event date: 2021.5

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:Webinar  

  14. 交流パルス電界を用いたフラッシュ焼結によるBaTiO3の高密度化

    田口公啓,徳永智春,吉田英弘,山本剛久

    第30回学生による材料フォーラム  2020.11.12  日本金属学会東海支部

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    Event date: 2020.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:Webinar   Country:Japan  

  15. “組織の不均一性を改善する新たなフラッシュ焼結法

    高橋征也,徳永智春,吉田英弘,山本剛久

    第30回学生による材料フォーラム  2020.11.12  日本金属学会東海支部

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    Event date: 2020.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:Webinar   Country:Japan  

  16. 3YSZフラッシュ焼結体の高密度化における電流制御の有効性

    石野佑樹,徳永智春,吉田英弘,山本剛久

    粉末冶金協会 2020年度秋季大会  2020.11.6  粉体粉末冶金協会

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    Event date: 2020.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar   Country:Japan  

  17. フラッシュ焼結の学理構築と革新的焼結技術への展開(受賞講演) Invited

    山本 剛久, 吉田 英弘

    紛体粉末冶金協会2020年秋季大会  2020.10.28  粉体粉末冶金協会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:Webinar  

  18. Blue photoluminescence from flash sintered oxide ceramics (Keynote Lecture) Invited International conference

    Takahisa Yamamoto and Hidehiro Yoshida

    Materials Science and Engineering Congress (MSE2020)  2020.9.24 

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    Event date: 2020.9

    Language:English   Presentation type:Oral presentation (keynote)  

  19. Electric field-enhanced superplastic flow and microstructure development in TZP International conference

    Hidehiro Yoshida, Yamato Sasaki, Hiroshi Masuda, Koji Morita, Takahisa Yamamoto

    Materials Science and Engineering Congress (MSE2020)  2020.9.24 

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    Event date: 2020.9

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Webinar   Country:Germany  

  20. イットリア安定化ジルコニのフラッシュ結体における新規蛍光特性 Invited

    山本 剛久

    日本セラミックス協会第33回秋季シンポジウム  2020.9.3  日本セラミックス協会

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (keynote)  

    Venue:Webinar  

  21. イットリア安定化ジルコニアのフラッシュ焼結体における新規蛍光特性

    伊藤亜紗,徳永智春,吉田英弘,山本剛久

    日本セラミックス協会第33回秋季シンポジウム  2020.9.3  日本セラミックス協会

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Webinar   Country:Japan  

  22. 酸化物系セラミックのフラッシュ焼結 Invited

    山本 剛久

    日本学術振興会第176委員会第37回研究会  2018.10.3  日本学術振興会第176委員会

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    Event date: 2018.10

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京  

  23. 酸化物セラミックスのフラッシュ焼結 Invited

    山本 剛久

    粉体粉末冶金協会平成30年度春季大会(第121回講演大会)  2018.5.15  粉体粉末冶金協会

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    Event date: 2018.5

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:京都  

  24. セラミックを一瞬で焼結させるフラッシュ焼結とは? Invited

    山本 剛久

    第三回関西高機能セラミックス展専門技術セミナー  2018.5.10  リード エグジビション ジャパン(株)

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    Event date: 2018.5

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:インテックス大阪  

  25. 酸化物系セラミックスのフラッシュ焼結と新規蛍光特性の発現

    山本 剛久

    令和3年度「放射線科学とその応用第186委員会」第38回研究会  2021.5.18  日本学術振興会

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    Language:Japanese  

    Venue:Webinar  

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Works 2

  1. 論文誌表紙写真(Journal of the Ceramic Society of Japan 129[4] 2021)

    2021.4

  2. 論文誌表紙写真,MRS BULLETIN 46[2] (2021)

    2021.2

KAKENHI (Grants-in-Aid for Scientific Research) 8

  1. 界面機能コア解析

    Grant number:19H05788  2019.4

    科学研究費補助金  新学術領域研究(研究領域提案型)

    柴田 直哉

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  2. 高い表面原子密度を有し点欠陥密度を極少化した精緻なステップテラス構造の構築

    Grant number:17H03378  2017.4 - 2020.3

    科学研究費補助金  基盤研究(B)

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\17940000 ( Direct Cost: \13800000 、 Indirect Cost:\4140000 )

  3. セラミック双結晶の粒界構造ユニット形成の体系化

    Grant number:26249088  2014.4 - 2017.3

    科学研究費補助金  基盤研究(A)

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\39520000 ( Direct Cost: \30400000 、 Indirect Cost:\9120000 )

  4. 転位コア原子構造制御によるチタン酸ストロンチウム結晶の室温塑性変形の実現

    Grant number:26630292  2014.4 - 2016.3

    科学研究費補助金  挑戦的萌芽研究

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\3900000 ( Direct Cost: \3000000 、 Indirect Cost:\900000 )

  5. ナノ電子状態解析のフロンティア開拓

    Grant number:25106004  2013.4 - 2017.3

    科学研究費補助金  新学術領域研究(研究領域提案型)

    武藤 俊介

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  6. 薄膜貫通転位を利用したナノ細線の開発 研究課題

    Grant number:24656406  2012.4 - 2014.3

    科学研究費補助金  挑戦的萌芽研究

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4030000 ( Direct Cost: \3100000 、 Indirect Cost:\930000 )

  7. チタン酸ストロンチウム結晶中の転位に形成させたナノ細線デバイスの作成

    Grant number:21360306  2009.4 - 2011.3

    科学研究費補助金  基盤研究(B)

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\16120000 ( Direct Cost: \12400000 、 Indirect Cost:\3720000 )

  8. ナノ機能元素制御高機能薄膜材料の創成

    Grant number:19053002  2007.4 - 2012.3

    科学研究費補助金  特定領域研究

    山本 剛久

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\98700000 ( Direct Cost: \98700000 )

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Industrial property rights 2

  1. 化合物、デバイス、及び膜の製造方法

    山本 剛久 , 徳永智春, 河野竜大, 稗田康平

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    Applicant:東海国立大学機構

    Application no:2021-139234  Date applied:2021.8

  2. ジルコニア焼結体の製造方法

    山本 剛久, 高原 俊也, 松井 光二, 小林 渉

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    Applicant:名古屋大学, 東ソー株式会社

    Application no:2021-000439   Date applied:2021.1

 

Teaching Experience (On-campus) 3

  1. マテリアル固体物理演習

    2021

  2. セラミック材料学

    2021

  3. 結晶物理学

    2021