Comparison of quantum hall effects, superconductivity and high field phenomena in the bechgaard salts

W. Kang; X. D. Shi; R. C. Yu; R. Upasani; L. Y. Chiang; S. T. Hannahs; P. M. Chaikin

doi:10.1016/0379-6779(91)91918-Z

Comparison of quantum hall effects, superconductivity and high field phenomena in the bechgaard salts

W. Kang, X. D. Shi, R. C. Yu, R. Upasani, L. Y. Chiang, S. T. Hannahs, P. M. Chaikin

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

Abstract

We present several new experimental results related to the occurrence and pressure dependence of the magnetic field induced spin density wave (FISDW) transitions and related high field phenomena in the Bechgaard salts. In the classic (TMTSF)₂PF₆ we show the pressure dependence of the frequencies for the FISDW transitions and the "fast" oscillations and the field for the N=0 state. We use thermopower and sound velocity to further study the phase diagram in (TMTSF)₂ClO₄. The thermopower points to a collective state from 7.5T to 27T and a new semiconducting phase above the reentrant transition. In studies of (TMTSF)₂NO₃ we find there is no FISDW state in contradiction to the "standard model" but in agreement with the theory of Yakovenko that relates superconductivity and the FISDW.

Original language	English (US)
Pages (from-to)	1645-1651
Number of pages	7
Journal	Synthetic Metals
Volume	42
Issue number	1-2
DOIs	https://doi.org/10.1016/0379-6779(91)91918-Z
State	Published - May 15 1991

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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10.1016/0379-6779(91)91918-Z

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title = "Comparison of quantum hall effects, superconductivity and high field phenomena in the bechgaard salts",

abstract = "We present several new experimental results related to the occurrence and pressure dependence of the magnetic field induced spin density wave (FISDW) transitions and related high field phenomena in the Bechgaard salts. In the classic (TMTSF)2PF6 we show the pressure dependence of the frequencies for the FISDW transitions and the {"}fast{"} oscillations and the field for the N=0 state. We use thermopower and sound velocity to further study the phase diagram in (TMTSF)2ClO4. The thermopower points to a collective state from 7.5T to 27T and a new semiconducting phase above the reentrant transition. In studies of (TMTSF)2NO3 we find there is no FISDW state in contradiction to the {"}standard model{"} but in agreement with the theory of Yakovenko that relates superconductivity and the FISDW.",

author = "W. Kang and Shi, {X. D.} and Yu, {R. C.} and R. Upasani and Chiang, {L. Y.} and Hannahs, {S. T.} and Chaikin, {P. M.}",

note = "Funding Information: ACKNOWLEDGEMENT Research supported by the National Science Foundation under DMR 88-22532.",

year = "1991",

month = may,

day = "15",

doi = "10.1016/0379-6779(91)91918-Z",

language = "English (US)",

volume = "42",

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T1 - Comparison of quantum hall effects, superconductivity and high field phenomena in the bechgaard salts

AU - Kang, W.

AU - Shi, X. D.

AU - Yu, R. C.

AU - Upasani, R.

AU - Chiang, L. Y.

AU - Hannahs, S. T.

AU - Chaikin, P. M.

N1 - Funding Information: ACKNOWLEDGEMENT Research supported by the National Science Foundation under DMR 88-22532.

PY - 1991/5/15

Y1 - 1991/5/15

N2 - We present several new experimental results related to the occurrence and pressure dependence of the magnetic field induced spin density wave (FISDW) transitions and related high field phenomena in the Bechgaard salts. In the classic (TMTSF)2PF6 we show the pressure dependence of the frequencies for the FISDW transitions and the "fast" oscillations and the field for the N=0 state. We use thermopower and sound velocity to further study the phase diagram in (TMTSF)2ClO4. The thermopower points to a collective state from 7.5T to 27T and a new semiconducting phase above the reentrant transition. In studies of (TMTSF)2NO3 we find there is no FISDW state in contradiction to the "standard model" but in agreement with the theory of Yakovenko that relates superconductivity and the FISDW.

AB - We present several new experimental results related to the occurrence and pressure dependence of the magnetic field induced spin density wave (FISDW) transitions and related high field phenomena in the Bechgaard salts. In the classic (TMTSF)2PF6 we show the pressure dependence of the frequencies for the FISDW transitions and the "fast" oscillations and the field for the N=0 state. We use thermopower and sound velocity to further study the phase diagram in (TMTSF)2ClO4. The thermopower points to a collective state from 7.5T to 27T and a new semiconducting phase above the reentrant transition. In studies of (TMTSF)2NO3 we find there is no FISDW state in contradiction to the "standard model" but in agreement with the theory of Yakovenko that relates superconductivity and the FISDW.

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JO - Synthetic Metals

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ER -

Comparison of quantum hall effects, superconductivity and high field phenomena in the bechgaard salts

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