Exceeding the Pauli limit in (TMTSF)2PF6

I. J. Lee, M. J. Naughton, P. M. Chaikin

    Research output: Contribution to journalArticlepeer-review


    The resistive upper critical field along the b-axis in the molecular organic superconductor (TMTSF)2PF6 is investigated in fields up to 17.5 T and temperatures up to T/Tc approximately 1/60, at various pressures near the border between spin density wave and metallic states. Previously, we had obtained a novel crossover where Hc2∥b exceeded both Hc2∥a (in opposition to band structure) and the Pauli paramagnetic limit (μoHp≈2 T). In an optimum pressure setting reported here, it is found that the onset of superconductivity persists to 9 T (more than 4 times Hp), strongly suggestive of triplet Cooper pairing.

    Original languageEnglish (US)
    Pages (from-to)413-417
    Number of pages5
    JournalPhysica B: Condensed Matter
    StatePublished - Jan 2001

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Electrical and Electronic Engineering


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