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J-GLOBAL ID:201801000232250141   Update date: Mar. 06, 2025

Watanabe Takao

ワタナベ タカオ | Watanabe Takao
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Affiliation and department:
Research field  (1): Magnetism, superconductivity, and strongly correlated systems
Research keywords  (3): 結晶成長 ,  強相関電子系 ,  高温超伝導
Research theme for competitive and other funds  (7):
  • 2020 - 2024 A study of true phase diagram by using clean Bi2212: For elucidation of the mechanism of high- Tc superconductivity
  • 2013 - 2016 Improved TSFZ method with high temperature gradient to obtain various kinds of trilayer Bi-based cuprate superconductors.
  • 2010 - 2013 中性子散乱分光による超伝導-反強磁性相図と擬ギャップ状態の研究
  • 2008 - 2010 高温超伝導体の磁束量子ダイナミクスとテラヘルツ波放射デバイス応用
  • 2008 - 2009 三層構造Bi系高温超伝導体単結晶育成法の研究
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Papers (141):
  • Setsuko Tajima, Yuhta Itoh, Katsuya Mizutamari, Shigeki Miyasaka, Masamichi Nakajima, Nae Sasaki, Shunpei Yamaguchi, Kei-ichi Harada, Takao Watanabe. Correlation between Tc and the Pseudogap Observed in the Optical Spectra of High Tc Superconducting Cuprates. Journal of the Physical Society of Japan. 2024. 93. 10
  • Takao Watanabe, Kenta Kosugi, Nae Sasaki, Shunpei Yamaguchi, Takenori Fujii, Ken Hayama, Itsuhiro Kakeya, Toshimitsu Ito. Effects of vortex and antivortex excitations in underdoped Bi2Sr2Ca2Cu3O10+δ bulk single crystals. Physical Review B. 2024. 110. 13
  • Yasuhisa Tezuka, Hojun Im, Takao Watanabe, Hirofumi Ishii, Nozomu Hiraoka, Yoichi Ishiwata, Hitoshi Yamaoka. Pressure-dependent electronic structure of the A -site ordered perovskite CaCu3Ti4O12 via x-ray Raman scattering. Physical Review B. 2024. 109. 3. 035132-1-035132-8
  • M. Čulo, S. Licciardello, K. Ishida, K. Mukasa, J. Ayres, J. Buhot, Y.-T. Hsu, S. Imajo, M. W. Qiu, M. Saito, et al. Expanded quantum vortex liquid regimes in the electron nematic superconductors FeSe1-xSx and FeSe1-xTex. Nature Communications. 2023. 14. 1. 4150-1-4150-9
  • Takenori Fujii, Yu Uezono, Takumi Otsuka, Shotaro Hagisawa, Takao Watanabe. Electronic Phase Diagram in Te-annealed Superconducting FeTe1-xSex Revealed by Magnetic Susceptibility. JPS Conf. Proc. (Proceedings of the 29th International Conference on Low Temperature Physics (LT29)). 2023. 38. 011027-1-011027-6
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MISC (116):
  • 出田真一郎, 出田真一郎, 吉田鉄平, 田中清尚, 有田将司, 山口隼平, 佐々木菜絵, 足立伸太郎, 渡辺孝夫, 藤井武則, et al. Superconducting gap and pseudogap in the underdoped triple-layer cuprate Bi2223. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
  • 小河弘樹, 六本木雅生, CAI Yipeng, ZHAO Guoqiang, OUDAH Mohamed, LIU Supeng, 今村薫平, DE TORO SANCHEZ Marta-Villa, DE TORO SANCHEZ Marta-Villa, YOUNG Cyrus, et al. Investigation of time-reversal symmetry breaking in FeSe1-xTex by muon spin rotation. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
  • 藤井武則, 山口隼平, 木村あすか, 渡辺孝夫, 掛谷一弘. Non-linear electrical conductivity and Kosterlitz-Thouless (KT) transition in underdoped Bi-2223. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
  • 藤井武則, 山口隼平, 木村あすか, 渡辺孝夫, 掛谷一弘. Phase-disordering transition in underdoped Bi-2223. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
  • 高間一平, 坂本拓矢, 八島光晴, 椋田秀和, 高橋英史, 佐々木菜絵, 山口隼平, 足立伸太郎, 石田茂之, 永崎洋, et al. Novel ground states in heavily-underdoped trilayered single crystal Bi2Sr2Ca2Cu3O10+x by Cu-NMR. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
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Lectures and oral presentations  (16):
  • Normal state magnetic susceptibility of Te-annealed Fe1+yTe1-xSex
    (Iron-based Superconductors: Advances towards applications 2025 (IBS2app 2025) 2025)
  • Evidence for the BCS-BEC crossover in Te-annealed FeTe1-xSex (0.1 ≦ x ≦ 0.4) single crystals: A magneto-transport study
    (Iron-based Superconductors: Advances towards applications 2025 (IBS2app 2025) 2025)
  • アンダードープBi2Sr2Ca2Cu3O10+d単結晶における負の電気抵抗の観測
    (第30回 渦糸物理ワークショップ 2024)
  • クロスオーバー磁場によるunder-dope Bi-2223の2次元性の評価
    (第30回 渦糸物理ワークショップ 2024)
  • アンダードープBi-2223における位相無秩序転移の検証
    (第29回 渦糸物理ワークショップ 2023)
more...
Education (2):
  • 1980 - 1982 Tokyo Institute of Technology Graduate School of Science and Engineering
  • 1976 - 1980 Tokyo Institute of Technology School of Science Dept. of Physics
Professional career (1):
  • 博士(理学) (東京工業大学)
Work history (4):
  • 2024/04 - 現在 日本大学工学部
  • 2022/04 - 2024/03 弘前大学大学院理工学研究科 客員研究員
  • 2006/04 - 2022/03 Hirosaki University Faculty of Science and Technology
  • 1982/04 - 2006/03 NTT研究所
Association Membership(s) (3):
米国物理学会 ,  THE JAPAN SOCIETY OF APPLIED PHYSICS ,  THE PHYSICAL SOCIETY OF JAPAN
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