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

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29 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 languageEnglish
Article number060404
Pages (from-to)604041-604044
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number6
Publication statusPublished - Feb 1 2002
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Kornilov, A. V., Pudalov, V. M., Kitaoka, Y., Ishida, K., Mito, T., Brooks, J. S., Qualls, J. S., Perenboom, J. A., Tateiwa, N., & Kobayashi, T. C. (2002). Novel phases in the field-induced spin-density-wave state in (TMTSF)2PF6. Physical Review B - Condensed Matter and Materials Physics, 65(6), 604041-604044. [060404].