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J-GLOBAL ID：200901008405693711 Update date: Mar. 25, 2025

Sasagawa Takao

ササガワタカオ | Sasagawa Takao

Affiliation and department：
Job title： Associate Professor

Research field (3)： Inorganic materials , Applied materials , Magnetism, superconductivity, and strongly correlated systems

Research theme for competitive and other funds (17)：

2021 - 2026 Development of Novel Physical Properties with 2.5 Dimensional Structures
2021 - 2026 インフォマティックスの先をゆき応用も志向したトポロジカル電子材料の開拓
2021 - 2025 超高速電子移動度と超巨大磁気抵抗を示す非磁性半金属の開拓
2021 - 2025 顕微角度分解光電子分光で解明する極限トポロジカルエッジ状態
2020 - 2024 スキルミオニクス創成に向けた基盤技術と材料の開拓

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Papers (211)：

Christopher J. Butler, Masayuki Murase, Shunki Sawada, Ming-Chun Jiang, Daisuke Hashizume, Guang-Yu Guo, Ryotaro Arita, Tetsuo Hanaguri, Takao Sasagawa. Valley Polarization of Landau Levels in the ZrSiS Surface Band Driven by Residual Strain. PHYSICAL REVIEW X. 2025. 15. 1. 011033
Kei Kinoshita, Rai Moriya, Seiya Kawasaki, Shota Okazaki, Momoko Onodera, Yijin Zhang, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, Tomoki Machida. Negative Differential Resistance Device with High Peak-to-Valley Ratio Realized by Subband Resonant Tunneling of Γ-Valley Carriers in WSe₂/h-BN/WSe₂ Junctions. ACS NANO. 2024. 18. 42. 28968-28976
Kei Kinoshita, Rai Moriya, Shota Okazaki, Momoko Onodera, Yijin Zhang, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, Tomoki Machida. Control of Subband Energies via Interlayer Twisting in an Artificially Stacked WSe₂ Bilayer. NANO LETTERS. 2024. 24. 39. 12211-12217
Ryo Noguchi, Masaru Kobayashi, Kaishu Kawaguchi, Wataru Yamamori, Kohei Aido, Chun Lin, Hiroaki Tanaka, Kenta Kuroda, Ayumi Harasawa, Viktor Kandyba, et al. Robust Weak Topological Insulator in the Bismuth Halide Bi4Br2I2. PHYSICAL REVIEW LETTERS. 2024. 133. 8. 086602
Kei Kinoshita, Yung-Chang Lin, Rai Moriya, Shota Okazaki, Momoko Onodera, Yijin Zhang, Ryosuke Senga, Kenji Watanabe, Takashi Taniguchi, Takao Sasagawa, et al. Crossover between rigid and reconstructed moiré lattice in h-BN-encapsulated twisted bilayer WSe₂ with different twist angles. NANOSCALE. 2024. 16. 30. 14358-14365

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MISC (246)：

安井勇気, 岡崎尚太, 宮坂茂樹, 花栗哲郎, 笹川崇男, 高木英典, 高木英典. Spectroscopic-imaging STM in band-width controll Mott insulator NiS_2-x Se_x. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
町田理, SUN Y., PYON S., 竹田駿, 幸坂祐生, 花栗哲郎, 笹川崇男, 為ヶ井強. Effect of vortex-vortex interaction on the zero-energy vortex bound state in the topological superconductor Fe(Se,Te). 日本物理学会講演概要集(CD-ROM). 2020. 75. 1
町田理, 町田理, 菅原克明, 菅原克明, 菅原克明, 幸坂祐生, 佐藤宇史, 佐藤宇史, 佐藤宇史, 笹川崇男, et al. Scanning tunneling spectroscopy on Pb thin films on topological insulator Bi₂Se₃. 日本物理学会講演概要集(CD-ROM). 2020. 75. 2
野口亮, 小林賢, 黒田健太, 高橋敬成, JIANG Z., XU Z., LEE D., 平山元昭, 越智正之, 白澤徹郎, et al. Higher-order topological edge states in quasi-one-dimensional Bi₄Br₄ probed by microwave impedance microscopy and ARPES. 日本物理学会講演概要集(CD-ROM). 2020. 75. 1
町田理, SUN Y., PYON S., 竹田駿, CHIU Ching-Kai, 幸坂祐生, 花栗哲郎, 笹川崇男, 為ヶ井強. トポロジカル超伝導体Fe(Se,Te)におけるゼロエネルギー渦糸芯束縛状態への渦糸間相互作用の影響. 日本物理学会講演概要集(CD-ROM). 2019. 74. 2

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Lectures and oral presentations (12)：

Phonon anomalies in La2CuO4-based compounds: relation to charge-ordering and superconductivity
(6th International Conference on Inelastic X-ray Scattering 2007)
An IXS Study on Phonon Anomalies in High-Tc Cuprates
(Mini Workshop on Recent Activities and Future Prospect in X-ray Inelastic Scattering 2007)
Phonon anomalies in La2CuO4-based compounds: relation to charge-ordering and superconductivity
(6th International Conference on Inelastic X-ray Scattering 2007)
(La,Eu,Sr)2CuO4 の角度分解光電子分光:電子構造への電荷秩序の影響
(日本物理学会2007年秋季大会 2007)
電子ドープ系高温超伝導体のアニールによる電子構造変化
(日本物理学会2007年秋季大会 2007)

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Education (1)：

- 2000 東京大学大学院工学系研究科超伝導工学専攻

Professional career (1)：

Doctor of Engineering (University of Tokyo)

Work history (7)：

2007/04 - 現在 -
2006/07 - 2007/03 ローレンスバークレー国立研究所(米国) 客員研究員
2006/07 - 2007/03 スタンフォード大学(米国) 応用物理学科研究職員
2000/10 - 2006/06 東京大学大学院助手
2000/04 - 2000/10 スタンフォード大学(米国) 応用物理学科博士研究員

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Association Membership(s) (6)：

American Physical Society , 日本放射光学会 , 日本高圧力学会 , 日本セラミックス協会 , American Physical Society , 日本物理学会

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