Magnetoacoustic oscillations in (TMTSF)2ClO4 in high magnetic fields, where TMTSF is tetramethyltetraselenafulvalene

X. D. Shi, W. Kang, P. M. Chaikin

    Research output: Contribution to journalArticle

    Abstract

    We have studied the sound velocity in the quasi-one-dimensional organic conductor (TMTSF)2ClO4, where TMTSF is tetramethyltetraselenafulvalene. The system shows profound magnetoacoustic oscillations at low temperatures and in high magnetic fields. At the reentrant transition from the field-induced spin-density-wave (FISDW) state to the metallic state, the sound velocity shows a discontinuous jump. In the reentrant metallic phase, the amplitude of the oscillations is greatly enhanced and their phase is different by 180°from that in the FISDW state. Above ∼20 T the sound velocity shows complex, temperature-dependent structure, which may indicate sharp oscillations of the phase boundary as predicted in some recent theories.

    Original languageEnglish (US)
    Pages (from-to)1984-1987
    Number of pages4
    JournalPhysical Review B
    Volume50
    Issue number3
    DOIs
    StatePublished - 1994

    Fingerprint

    magnetoacoustics
    Acoustic wave velocity
    acoustic velocity
    Spin density waves
    Magnetic fields
    oscillations
    magnetic fields
    Organic conductors
    Phase boundaries
    conductors
    Temperature
    temperature

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Magnetoacoustic oscillations in (TMTSF)2ClO4 in high magnetic fields, where TMTSF is tetramethyltetraselenafulvalene. / Shi, X. D.; Kang, W.; Chaikin, P. M.

    In: Physical Review B, Vol. 50, No. 3, 1994, p. 1984-1987.

    Research output: Contribution to journalArticle

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    abstract = "We have studied the sound velocity in the quasi-one-dimensional organic conductor (TMTSF)2ClO4, where TMTSF is tetramethyltetraselenafulvalene. The system shows profound magnetoacoustic oscillations at low temperatures and in high magnetic fields. At the reentrant transition from the field-induced spin-density-wave (FISDW) state to the metallic state, the sound velocity shows a discontinuous jump. In the reentrant metallic phase, the amplitude of the oscillations is greatly enhanced and their phase is different by 180°from that in the FISDW state. Above ∼20 T the sound velocity shows complex, temperature-dependent structure, which may indicate sharp oscillations of the phase boundary as predicted in some recent theories.",
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