Metallization of (TTM-TTP)I_3 with a Highly One-Dimensional Half-Filled Band under Extremely High Pressure(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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The title compound (TTM-TTP)I_3 with a highly one-dimensional (1D) half-filled energy band is almost metallized by the application of pressure beyond 7GPa. It is theoretically predicted that the ground state of the 1D half-filled system is the Mott insulator at any positive on-site interaction U.Nevertheless, (TTM-TTP)I_3 shows that the metal-insulator (M-I) transition temperature T_<MI> decreases linearly with increasing pressure and is directing towards 0K near 10GPa. Above 5.7GPa, the metallic temperature variation appears in the high-temperature region for 70<T<300K, in which the metallic behavior is described by ρ(T) α T^α with α〜0.3. The nature of the metallic state is discussed in terms of the Tomonaga-Luttinger liquid described by the Hubbard model.
- 社団法人日本物理学会の論文
- 2006-05-15
著者
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UWATOKO Yoshiya
Institute for Solid State Physics, The University of Tokyo
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KAWAMOTO Tadashi
Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Ins
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MORI Takehiko
Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Ins
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Murata Keizo
Department of Material Science,Faculty of Science,Osaka City University
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HEDO Masato
Institute for Solid State Physics, University of Tokyo
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YASUZUKA Syuma
Department of Applied Physics, Hokkaido University
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Hedo Masato
Institute For Solid State Physics (issp) The University Of Tokyo
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Murata Keizo
Department Of Material Science Graduate School Of Science Osaka City University
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Mori Takehiko
Department Of Organic And Polymeric Materials Graduate School Of Science And Engineering Tokyo Insti
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Yasuzuka Syuma
Division Of Molecular Materials Science Graduate School Of Science Osaka City University
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Yasuzuka Syuma
Department Of Applied Physics Hokkaido University:(present Address)department Of Molecular Materials
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FUJIMOTO Tsutomu
Department of Applied Chemistry, Faculty of Engineering, Kyushu Institute of Technology
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Murata K
Division Of Molecular Materials Science Graduate School Of Science Osaka City University
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SHIMOTORI Masahiro
Department of Material Science, Graduate School of Science, Osaka City University
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Kawamoto Tadashi
Department Of Organic And Polymeric Materials Graduate School Of Science And Engineering Tokyo Insti
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MATSUTANI Katsuhiro
Tokuyama Soda Co. Ltd.
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Uwatoko Yoshiya
Institute For Solid State Physics (issp) The University Of Tokyo
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Shimotori Masahiro
Department Of Material Science Graduate School Of Science Osaka City University
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Fujimoto Tsutomu
Division Of Molecular Materials Science Graduate School Of Science Osaka City University
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Fujimoto Tsutomu
Department Of Applied Chemistry Faculty Of Engineering Kyushu Institute Of Technology
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Murata Keizo
Department Of Material Science Graduate School Of Science Osaka City Uneversity
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Murata Keizo
Department Of Material Science Faculty Of Science Osaka City University
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Mori Takehiko
Department Of Hematology Tokyo Women's Medical University
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Yasuzuka Syuma
Department Of Applied Physics Hokkaido University
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Kawamoto Tadashi
Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology
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UWATOKO Yoshiya
Institute for Solid State Physics (ISSP), The University of Tokyo
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FUJIMOTO Tsutomu
Department of Material Science, Graduate School of Science, Osaka City University
-
MORI Takehiko
Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology
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HEDO Masato
Institute for Solid State Physics (ISSP), The University of Tokyo
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Mori Takehiko
Department of Chemistry and Materials Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
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Uwatoko Yoshiya
Institute for Solid State Physics
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