SDW phase of (TMTSF)2PF6 at high magnetic fields

N. Matsunaga; H. Kotani; K. Yamashita; K. Nomura; T. Sasaki; T. Hanajiri; J. Yamada; S. Nakatsuji; H. Anzai

doi:10.1016/S0379-6779(00)00651-2

SDW phase of (TMTSF)₂PF₆ at high magnetic fields

N. Matsunaga, H. Kotani, K. Yamashita, K. Nomura, T. Sasaki, T. Hanajiri, J. Yamada, S. Nakatsuji, H. Anzai

Institute for Materials Research (IMR) (institute affiliation only)

Research output: Contribution to journal › Article › peer-review

Abstract

The magnetic field dependence spin-density-wave (SDW) transition temperature T_SDW in (TMTSF)₂PF₆ for various pressure has been measured with the field parallel to the c* axis. A quadratic behavior of the magnetic field dependence of T_SDW is observed for all pressure. With increasing pressure, T_SDW decreases and the coefficient of the quadratic term increases. From these behaviours, T_SDW for the perfect nesting case is estimated as about 16K using a mean field theory. This means that even at the ambient pressure where T_SDW is 12K, the SDW phase of (TMTSF)₂PF₆ is fairly suppressed by the two-dimensionality of the system.

Original language	English
Pages (from-to)	957-958
Number of pages	2
Journal	Synthetic Metals
Volume	120
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(00)00651-2
Publication status	Published - 2001 Mar 15

Keywords

Magnetotransport
Metal-insulator phase transitions
Organic conductors based on radical cation and/or anion salts

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "SDW phase of (TMTSF)2PF6 at high magnetic fields",

abstract = "The magnetic field dependence spin-density-wave (SDW) transition temperature TSDW in (TMTSF)2PF6 for various pressure has been measured with the field parallel to the c* axis. A quadratic behavior of the magnetic field dependence of TSDW is observed for all pressure. With increasing pressure, TSDW decreases and the coefficient of the quadratic term increases. From these behaviours, TSDW for the perfect nesting case is estimated as about 16K using a mean field theory. This means that even at the ambient pressure where TSDW is 12K, the SDW phase of (TMTSF)2PF6 is fairly suppressed by the two-dimensionality of the system.",

keywords = "Magnetotransport, Metal-insulator phase transitions, Organic conductors based on radical cation and/or anion salts",

author = "N. Matsunaga and H. Kotani and K. Yamashita and K. Nomura and T. Sasaki and T. Hanajiri and J. Yamada and S. Nakatsuji and H. Anzai",

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language = "English",

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TY - JOUR

T1 - SDW phase of (TMTSF)2PF6 at high magnetic fields

AU - Matsunaga, N.

AU - Kotani, H.

AU - Yamashita, K.

AU - Nomura, K.

AU - Sasaki, T.

AU - Hanajiri, T.

AU - Yamada, J.

AU - Nakatsuji, S.

AU - Anzai, H.

PY - 2001/3/15

Y1 - 2001/3/15

N2 - The magnetic field dependence spin-density-wave (SDW) transition temperature TSDW in (TMTSF)2PF6 for various pressure has been measured with the field parallel to the c* axis. A quadratic behavior of the magnetic field dependence of TSDW is observed for all pressure. With increasing pressure, TSDW decreases and the coefficient of the quadratic term increases. From these behaviours, TSDW for the perfect nesting case is estimated as about 16K using a mean field theory. This means that even at the ambient pressure where TSDW is 12K, the SDW phase of (TMTSF)2PF6 is fairly suppressed by the two-dimensionality of the system.

AB - The magnetic field dependence spin-density-wave (SDW) transition temperature TSDW in (TMTSF)2PF6 for various pressure has been measured with the field parallel to the c* axis. A quadratic behavior of the magnetic field dependence of TSDW is observed for all pressure. With increasing pressure, TSDW decreases and the coefficient of the quadratic term increases. From these behaviours, TSDW for the perfect nesting case is estimated as about 16K using a mean field theory. This means that even at the ambient pressure where TSDW is 12K, the SDW phase of (TMTSF)2PF6 is fairly suppressed by the two-dimensionality of the system.

KW - Magnetotransport

KW - Metal-insulator phase transitions

KW - Organic conductors based on radical cation and/or anion salts

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