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
DOI 10.1103/PhysRevLett.94.197001 · Physical Review Letters
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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.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (TMTSF)2PF6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1 | 0.55 GPa | onset |
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