Ultrafast Charge Dynamics in One-Dimensional Organic Mott Insulators(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
Ultrafast charge dynamics in one-dimensional Mott insulators was investigated by femtosecond reflection spectroscopy on three organic molecular compounds, K-tetracyanoquinodimethane (TCNQ), Rb-TCNQ, and bis (ethylenedithio) tetrathiafulvalene (ET)-difluorotetracyanoquinodimethane (F_2TCNQ) with different magnitudes of electron-lattice (e-l) interaction. In K-and Rb-TCNQ, photocarriers are localized as polarons with 〜70fs and recombine with a few ps. In ET-F_2TCNQ, photocarriers lead to a metallic state and decay with 〜200fs. Such differences of the charge dynamics are reasonably interpreted by taking into account the magnitudes of the e-l interactions.
- 社団法人日本物理学会の論文
- 2008-11-15
著者
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Okamoto Hiroshi
Department Of Cardiovascular Medicine Hokkaido University Hospital
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MATSUZAKI HIROYUKI
Department of Nuclear Engineering and Management, School of Engineering, The University of Tokyo, To
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Hasegawa Tatsuo
Photonics Research Institute AIST
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Matsuzaki Hiroyuki
Department Of Advanced Materials Science Graduate School Of Frontier Sciences University Of Tokyo
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Matsuzaki Hiroyuki
Department Of Advanced Materials Science University Of Tokyo
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UEMURA Hirotaka
Department of Advanced Materials Science, University of Tokyo
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TAKAHASHI Yukihiro
Photonics Research Institute, AIST
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Takahashi Yukihiro
Photonics Research Institute Aist
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Uemura Hirotaka
Department Of Advanced Materials Science University Of Tokyo
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Okamoto Hiroshi
Department Of Advanced Materials Science Graduate School Of Frontier Sciences University Of Tokyo:cr
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Okamoto Hiroshi
Department Of Advanced Biological Sciences For Regeneration (kotobiken Medical Laboratories) Tohoku
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Hasegawa Tatsuo
Photonics Research Institute (PRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8562, Japan
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HASEGAWA Tatsuo
Photonics Research Institute, AIST
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