Magic angles and the ground states in (TMTSF)2PF6

E. I. Chashechkina, P. M. Chaikin

    Research output: Contribution to journalArticle

    Abstract

    Resistance measurements in the “normal” state of (TMTSF)2PF6 under pressure for different magnetic field orientations show striking features below 5 K. We observe metallic behavior(dR/dT >0) when the field is aligned along the intermolecular tunneling directions (Lebed magic angles), and nonmetallic behavior (dR/dT <0)for other orientations. The crossover is associated with a reduction in dimensionality when the field applied perpendicular to the tunneling direction exceeds a critical temperature dependent value. At higher temperatures there are further dimensionality crossovers associated with the competition of thermal, electronic, and magnetic energies.

    Original languageEnglish (US)
    Pages (from-to)2181-2184
    Number of pages4
    JournalPhysical Review Letters
    Volume80
    Issue number10
    DOIs
    StatePublished - 1998

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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