Novel phases in the field-induced spin-density-wave state in (TMTSF)2PF6

A. V. Kornilov; V. M. Pudalov; Y. Kitaoka; K. Ishida; T. Mito; J. S. Brooks; J. S. Qualls; J. A. Perenboom; N. Tateiwa; T. C. Kobayashi

Novel phases in the field-induced spin-density-wave state in (TMTSF)₂PF₆

A. V. Kornilov, V. M. Pudalov, Y. Kitaoka, K. Ishida, T. Mito, J. S. Brooks, J. S. Qualls, J. A. Perenboom, N. Tateiwa, T. C. Kobayashi

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

30 Citations (Scopus)

Abstract

Magnetoresistance measurements on the quasi-one-dimensional organic conductor (TMTSF)₂PF₆ performed in magnetic fields B up to 16 T, temperatures T down to 0.12 K and under pressures P up to 14 kbar have revealed new phases on its P-B-T phase diagram. We found a new boundary which subdivides the field induced spin density wave (FISDW) phase diagram into two regions. Whereas a low-temperature region of the FISDW diagram is characterized by a hysteresis behavior typical for the first-order transitions, in a hightemperature region of the FISDW phase diagram, the hysteresis was found to disappear. We also found that the temperature dependence of the resistance (at a constant B) changes sign at about the same boundary. We compare these results with recent theoretical models.

Original language	English
Article number	060404
Pages (from-to)	604041-604044
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	6
Publication status	Published - Feb 1 2002
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

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title = "Novel phases in the field-induced spin-density-wave state in (TMTSF)2PF6",

abstract = "Magnetoresistance measurements on the quasi-one-dimensional organic conductor (TMTSF)2PF6 performed in magnetic fields B up to 16 T, temperatures T down to 0.12 K and under pressures P up to 14 kbar have revealed new phases on its P-B-T phase diagram. We found a new boundary which subdivides the field induced spin density wave (FISDW) phase diagram into two regions. Whereas a low-temperature region of the FISDW diagram is characterized by a hysteresis behavior typical for the first-order transitions, in a hightemperature region of the FISDW phase diagram, the hysteresis was found to disappear. We also found that the temperature dependence of the resistance (at a constant B) changes sign at about the same boundary. We compare these results with recent theoretical models.",

author = "Kornilov, {A. V.} and Pudalov, {V. M.} and Y. Kitaoka and K. Ishida and T. Mito and Brooks, {J. S.} and Qualls, {J. S.} and Perenboom, {J. A.} and N. Tateiwa and Kobayashi, {T. C.}",

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T1 - Novel phases in the field-induced spin-density-wave state in (TMTSF)2PF6

AU - Kornilov, A. V.

AU - Pudalov, V. M.

AU - Kitaoka, Y.

AU - Ishida, K.

AU - Mito, T.

AU - Brooks, J. S.

AU - Qualls, J. S.

AU - Perenboom, J. A.

AU - Tateiwa, N.

AU - Kobayashi, T. C.

PY - 2002/2/1

Y1 - 2002/2/1

N2 - Magnetoresistance measurements on the quasi-one-dimensional organic conductor (TMTSF)2PF6 performed in magnetic fields B up to 16 T, temperatures T down to 0.12 K and under pressures P up to 14 kbar have revealed new phases on its P-B-T phase diagram. We found a new boundary which subdivides the field induced spin density wave (FISDW) phase diagram into two regions. Whereas a low-temperature region of the FISDW diagram is characterized by a hysteresis behavior typical for the first-order transitions, in a hightemperature region of the FISDW phase diagram, the hysteresis was found to disappear. We also found that the temperature dependence of the resistance (at a constant B) changes sign at about the same boundary. We compare these results with recent theoretical models.

AB - Magnetoresistance measurements on the quasi-one-dimensional organic conductor (TMTSF)2PF6 performed in magnetic fields B up to 16 T, temperatures T down to 0.12 K and under pressures P up to 14 kbar have revealed new phases on its P-B-T phase diagram. We found a new boundary which subdivides the field induced spin density wave (FISDW) phase diagram into two regions. Whereas a low-temperature region of the FISDW diagram is characterized by a hysteresis behavior typical for the first-order transitions, in a hightemperature region of the FISDW phase diagram, the hysteresis was found to disappear. We also found that the temperature dependence of the resistance (at a constant B) changes sign at about the same boundary. We compare these results with recent theoretical models.

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JF - Physical Review B-Condensed Matter

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M1 - 060404

ER -

Novel phases in the field-induced spin-density-wave state in (TMTSF)₂PF₆

Abstract

ASJC Scopus subject areas

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