Coexistence of superconductivity and antiferromagnetism probed by simultaneous nuclear magnetic resonance and electrical transport in (TMTSF)2PF6 system

I. J. Lee, S. E. Brown, W. Yu, M. J. Naughton, P. M. Chaikin

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    Abstract

    We report simultaneous NMR and electrical transport experiments in the pressure range near the boundary of the antiferromagnetic spin density wave (SDW) insulator and the metallic/superconducting (SC) phase in (TMTSF)2PF6. Measurements indicate a tricritical point separating a line of second-order SDW/metal transitions from a line of first-order SDW/metal(SC) transitions with coexistence of macroscopic regions of SDW and metal(SC) order, with little mutual interaction but strong hysteretic effects. NMR results quantify the fraction of each phase.

    Original languageEnglish (US)
    Article number197001
    JournalPhysical Review Letters
    Volume94
    Issue number19
    DOIs
    StatePublished - May 20 2005

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    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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