Field-Induced Successive Phase Transitions in the Charge Density Wave Organic Conductor HMTSF-TCNQ
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概要
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The magnetoresistance of quasi-1D two-chain organic conductor HMTSF-TCNQ (hexamethylenetetraselenafulvalene-tetracyanoquinodimethane), which shows charge density wave transition at ambient pressure, was studied under pressure up to 27 T and 31 T, in two high field facilities. We found a kink structure in the magnetoresistance reminiscent of field-induced spin density wave at an intermediate pressure of 1.5 GPa between 0 and 2 GPa. We speculate that these are successive quantum phases induced by magnetic field.
- 2010-10-15
著者
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Kato Reizo
Riken
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Jerome Denis
Laboratoire De Physique Des Solides
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Brooks James
National High Magnetic Field Laboratory
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YOSHINO Harukazu
Graduate School of Science,Osaka City University
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Sasaki Takahiko
Institute For Materials Research Tohoku University
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Nogami Yoshio
Department Of Physics Graduate School Of Natural Science And Technology Okayama University
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Yokogawa Keiichi
Graduate School Of Science Osaka City University
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Murata Keizo
Graduate School Of Science Osaka City University
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Brooks James
National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32306-4005, U.S.A.
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Yakushi Kyuya
Inststitute for Molecular Science, Okazaki, Aichi 444-8585, Japan
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Murata Keizo
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Kobayashi Kensuke
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Masuda Kosuke
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Seno Yuki
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Rani Tamilselvan
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Bechgaard Klaus
H. C. Oersted Institute, Universitetsparken 5, DK 2100 Copenhagen, Denmark
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Uruichi Mikio
Inststitute for Molecular Science, Okazaki, Aichi 444-8585, Japan
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Sasaki Takahiko
Institute for Materials Reseach, Tohoku University, 2-1-1 Katahira-cho, Aoba-ku, Sendai 980-8577, Japan
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Yokogawa Keiichi
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Yoshino Harukazu
Graduate School of Science, Osaka City University, Osaka 558-8585, Japan
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Nogami Yoshio
Department of Physics, Okayama University, Okayama 700-8530, Japan
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Jérome Denis
Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay, France
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