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J-GLOBAL ID：200901032607588039 Update date: Apr. 23, 2025

Sasaki Takahiko

ササキタカヒコ | Sasaki Takahiko

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Affiliation and department：
Other affiliations (1)：

Tohoku University 極低温科学センターセンター長

Homepage URL (2)： http://cond-phys.imr.tohoku.ac.jp/ , http://cond-phys.imr.tohoku.ac.jp/index_e.html

Research field (1)： Magnetism, superconductivity, and strongly correlated systems

Research keywords (3)： high magnetic field and low temperature , highly correlated electrons , organic conductors

Research theme for competitive and other funds (40)：

2004 - 現在低次元有機導体の強相関電子状態
2000 - 現在 Low temperature properties of transition metal oxide conductors
1990 - 現在 High field properties of organic superconductors
2023 - 2027 Competing charge, spin, and molecular lattice interactions lead to quantum glass phases in strongly correlated pi-electron systems
2022 - 2024 分子ダイマーダイポールが創成する量子パイ電子液晶

2021 - 2024 Microscopic electronic transport and superconductivity in organic polymers

2021 - 2023 Exploring new electronic functions of condensed conjugation molecular assemblies created by randomness

2019 - 2023 強相関パイ電子-分子格子ダイナミクスが誘起する分極性量子液体相

2020 - 2022 分子ダイマーダイポールが創成する量子スピン/電荷液晶

2019 - 2022 Study of Spin States of Organic Conductors Studied by Magnetic Circular Dichroism Spectroscopy Using Infrared Synchrotron Radiation

2018 - 2021 Signal transfer by stochastic resonance in cooperation with proton-fluctuation and enhancement of charge-transfer in molecular materials as biological model system

2016 - 2018 プロトン-強相関パイ電子複合系における協働的電荷ダイナミクスのノイズ分光

2015 - 2018 Experimental study of the nonlinear responses due to the charge inhomogeneity in molecular conductors

2015 - 2018 Enhancement of proton-charge transfer fluctuations and large charge response induced by stochastic resonance phenomena using noise

2014 - 2017 NMR studies of exotic electronic states in Pr based compounds with non Kramers doublet crystal electric field ground state

2014 - 2017 Novel dielectric phenomena in electric ferroelectricity

2013 - 2017 Study on hierarchical charge-spin-lattice dynamics of strongly correlated electrons in molecular conductors

2013 - 2016 Understanding of electrical conduction mechanism in conductive polymer: Observation of low-temperature resistivity and nanoscale electronic state

2011 - 2015 Magnetic and dielectric properties of organic charge transfer salts with hetro-dimer structures

2011 - 2015 Ultrafast Coherent controlof electro-lattice by 10 fs infrared pulse

2011 - 2013 ダイマーモット型分子性導体に内在する特異な電荷自由度の研究

2010 - 2012 Anisotropic dielectric response of tilted Dirac cone investigated by polarized infrared light using synchrotron radiation

2009 - 2011 Observations of quantum entangled states and quantum critical behavior by using a precise probing method of microwave near-field

2008 - 2011 Control of carrier number and Mott criticality in strongly correlated organic conductors with molecular defects by irradiation

2009 - 2010 ダイマーモット型分子性導体の局所的分子配列変調による電子相制御

2008 - 2010 Optical control of conductivity as studied by ultrafast terahertz spectroscopy

2006 - 2008 強相関系物質の不均一電子状態に対する回折限界を超えた赤外分光実空間イメージング

2004 - 2008 Superconductivity of carbon and related-orbital systems

2006 - 2007 複合極限非平衡環境下での低次元有機導体における不均化秩序の研究

2005 - 2007 Self assemble pattern formation for inhomogeneous electronic states in highly correlated organic Mott system

2004 - 2005 複合極限環境下における低次元有機導体の量子ゆらぎ効果の研究

2003 - 2004 Metal -insulator -superconductor phase separation in the highly correlated organic conductors near the Mott transition.

2001 - 2002 低次元有機導体の特異な磁場誘起密度波状態におけるフレーリッヒ伝導と伝導ノイズ

1999 - 2001 分子磁性金属における電子状態・伝導・磁性相関の基礎物性研究

1998 - 2000 Development of liquid He free dilution refrigerator with Gifford-McMahon refrigerator.

1997 - 1998 準2次元有機超伝導体の量子ゆらぎによる磁束格子融解転移

1997 - 1998 MAGNETIC STRUCTURE AND FIELD INDUCED PHASE TRANSITION IN La_<2-x>Sr_xCuO_4

1995 - 1995 1次元バンドを有する準2次元有機伝導体の低温基底状態と磁場応答

1994 - 1994 反強磁性的準2次元有機伝導体の高磁場中比熱

1992 - 1993 Fermi surface and anti-ferromagnetic order in 2D organic condutors

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Papers (636)：

H. Okamura, S. Iguchi, T. Sasaki, Y. Ikemoto, T. Moriwaki, Y. Akahama. Interband spectroscopy of Landau levels and magnetoexcitons in bulk black phosphorus. Physical Review B. 2025. 111. 125202-1-125202-7
Takanori Taniguchi, Kotaro Osato, Hirotaka Okabe, Takafumi Kitazawa, Masahiro Kawamata, Shota Hashimoto, Yoichi Ikeda, Yusuke Nambu, Dita Puspita Sari, Isao Watanabe, et al. Field-Induced Criticality in YbCu₄Au. Journal of the Physical Society of Japan. 2024. 93. 12. 124706-1-124706-8
Y. Tokiwa, P. Opletal, H. Sakai, S. Kambe, E. Yamamoto, M. Kimata, S. Awaji, T. Sasaki, D. Aoki, Y. Haga, et al. Reinforcement of superconductivity by quantum critical fluctuations of metamagnetism in UTe2. Physical Review B. 2024. 109. L140502-1-L140502-6
Yohei Saito, Owen Ganter, Chao Shang, Kenichiro Hashimoto, Takahiko Sasaki, Stephen M. Winter, Jens Müller, Michael Lang. Combined experimental and theoretical studies on glasslike transitions in the frustrated molecular conductors θ-(BEDT-TTF)2MM′(SCN)4. Physical Review Research. 2024. 6. 023003-1-023003-11
Muhammad Khalish Nuryadin, Yugo Oshima, Naoki Yoneyama, Satoshi Iguchi, Takahiko Sasaki. Electron spin resonance spectroscopic evidence of the transition to a spin-singlet state in the monomer Mott insulator (BEDT-TTF)Cu[N(CN) 2]2. Physical Review B. 2024. 109. 125115-1-125115-8

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MISC (654)：

佐々木孝彦. 歴史の小径総長本多光太郎と東北大学-現代にも息づく大学運営者としての顔. 日本物理学会誌. 2025. 80. 2. 80-83
松浦直人, 中惇, 佐々木孝彦. 分子性有機導体における格子励起の過減衰 -柔らかい分子格子とパイ電子自由度の協奏-. 日本物理学会誌. 2024. 79. 12. 671-676
古川哲也, 小笠原直輝, 伊藤哲明, 佐々木孝彦. Bulk Edelstein Effect in materials without spatial inversion symmetry. 東北大学金属材料研究所強磁場超伝導材料研究センター年次報告. 2024. 2023
井口敏, 小林広樹, 池本夕佳, 古川哲也, 伊藤弘毅, 岩井伸一郎, 森脇太郎, 佐々木孝彦. Infrared Magneto-optical Kerr Effect in orthorhombic κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl. 日本物理学会講演概要集(CD-ROM). 2024. 79. 1
佐藤直道, 井口敏, 古川哲也, 杉浦栞理, 米山直樹, 池本夕佳, 森脇太郎, 佐々木孝彦. Infrared Reflectance Spectroscopy of Strongly Correlated Organic Superconductor with Controlled Randomness. SPring-8/SACLA利用研究成果集(Web). 2024. 12. 4

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Books (8)：

分子性物質の物理-物性物理の新潮流-
(株)朝倉書店 2015
導電性ポリマー材の高機能化と用途開発最前線
(株)エヌティーエス 2014 ISBN:9784860434038
PEDOTの材料物性とデバイス応用
サイエンス&テクノロジー(株) 2012 ISBN:9784864280389
Molecular Electronic and Related Materials -Control and Probe with Light-
Transworld Research Network 2010 ISBN:9788178954608
金属材料の最前線ブルーバックス(B1643)
Koudansya 2009

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Lectures and oral presentations (118)：

X-ray irradiation effect in molecular dimer-Mott insulator k-(BEDT-TTF)2Cu2(CN)3
(2024)
ランダムネスが創出する高密度共役分子集積体の新電子機能開拓
(科学研究費学術変革領域「高密度共役の科学」令和5年度領域会議 2024)
有機物質中パイ電子の優柔不断な集団運動
(ELPHシンポジウム2024 2024)
Lattice dynamics coupled to the intra dimer π-electron degrees of freedom in the organic charge transfer salts
(2023)
Inelastic neutron scattering study on lattice dynamics at the 6K anomaly in the quantum spin liquid candidate k-(BEDT-TTF)2Cu2(CN)3
(International Conference on Quantum Liquid Crystals 2023 (QLC2023) 2023)

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Education (1)：

- 1992 Tohoku University Graduate School, Division of Engineering 応用物理学

Professional career (1)：

博士(工学) (Tohoku University)

Work history (4)：

2010/11 - 現在 Tohoku University Institute for Materials Research Low Temperature Condensed State Physics Professor
1999/04 - 2010/10 東北大学金属材料研究所低温物理学研究部門准教授
1999/01 - 1999/03 マックスプランク固体物理化学研究所
1996/10 - 1997/07 バイエルン州科学アカデミーWalther-Meissner-Institute

Committee career (22)：

2024/04 - 現在経済産業省安全保障貿易管理調査員
2022/04 - 現在文部科学省公正な研究活動の推進に関する有識者会議
2017/04 - 現在日本物理学会物理学史委員会委員
2023/04 - 2025/03 公益財団法人高輝度光科学研究センター SPring-8利用研究課題審査委員会委員 SPring-8利用研究課題審査委員会分科会委員主査
2023/04 - 2025/03 公益財団法人高輝度光科学研究センター SPring-8利用研究課題審査委員会分科会レフェリー

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Awards (6)：

2017/11 - 日本学術振興会平成29年度科学研究費審査委員の表彰
2014/11/01 - 日本学術振興会平成26年度科学研究費審査委員の表彰
2013/06 - 日本物理学会 JPSJ注目論文
2005/08 - (社) 日本物理学会 JPSJ Editor's choice
2005/05/13 - 本多記念会第26回本多記念研究奨励賞

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Association Membership(s) (3)：

日本金属学会 , 日本物理学会 , 低温工学・超電導学会

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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