Charge-Transfer-Controlled Phase Transition in a Molecular Conductor, (DMe-DCNQI)_2Cu : Doping Effect
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概要
- 論文の詳細を見る
Li^+-doping in the Cu salt of deuterated DMe-DCNQI-d_7 has shown drastic effects on electrical and magnetic properties. Undoped (DMe-DCNQI-d_7)_2Cu exhibits a first-order metal-insulator (M-I) transition at 80 K. A small amount of Li^+-doping suppresses the M-I transition. The M-I-M (reentrant) transition, which is similar to that in selectively deuterated (DMe-DCNQI)_2Cu, appears in a narrow region of Li content x. The x-T phase diagram under ambient pressure well reproduces the P-T phase diagram of the (DMe-DCNQI)_2 Cu system. This doping effect is explained by the change in charge transfer amount from metal ions to DCNQI molecules. The effect of pressure or deuteration on the M-I transition in the DCNQI_2 Cu system is generally understood from this viewpoint.
- 社団法人日本物理学会の論文
- 1994-12-15
著者
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SAWA Hiroshi
Photon Factory, Institute of Materials Structure Science
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Sawa H
Institute Of Materials Structure Science Kek
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Suematsu H
Spring-8
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Sawa Hiroshi
Department Of Physics Aoyama-gakuin University
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Aonuma S
Faculty Of Engineering Osaka Electro-communication University
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Aonuma Shuji
Institute For Solid State Physics University Of Tokyo
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Aonuma Shuji
Institute For Solid State Physics The University Of Tokyo
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Aonuma Shuji
Faculty Of Engineering Osaka Electro-communication University
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Tamura Masafumi
The Institute Of Scientific And Industrial Research Osaka University
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Tamura Masafumi
Condensed Molecular Materials Lab. Riken
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KINOSHITA Minoru
The Institute for Solid State Physics, The University of Tokyo
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Kato Reizo
Condensed Molecular Materials Lab. Riken
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KATO Reizo
The Institute of Physical and Chemical Research
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Sawa Hiroshi
The Institute for Solid State Physics, The University of Tokyo
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Aonuma Shuji
The Institute for Solid State Physics, The University of Tokyo
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Sawa Hiroshi
Photon Factory Institute Of Materials Structure Science
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Sawa Hiroshi
Institute For Solid State Physics University Of Tokyo
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Kinoshita M
Institute For Solid State Physics University Of Tokyo
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Sato Hirohiko
Department Of Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Kinoshita Minoru
The Institute For Solid State Physics The University Of Tokyo
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Tamura Masafumi
Condensed Molecular Materials Lab., RIKEN
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Kato Reizo
Condensed Molecular Materials Lab., RIKEN
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