Domain walls at the spin density wave endpoint of the organic superconductor (TMTSF)2PF6 under pressure

Details Domain walls at the spin density wave endpoint of the organic superconductor (TMTSF)2PF6 under pressure Domain walls at the spin density wave endpoint of the organic superconductor (TMTSF)2PF6 under pressure

2010-02-19

arxiv.org/abs/1002.3767v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages

Scientific paper

We report the first comprehensive investigation of the organic superconductor (TMTSF)2PF6 in the vicinity of the endpoint of the spin density wave - metal phase transition where phase coexistence occurs. At low temperature, the transition of metallic domains towards superconductivity is used to reveal the various textures. In particular, we demonstrate experimentally the existence of 1D and 2D metallic domains with a cross-over from a filamentary superconductivity mostly along the c?-axis to a 2D superconductivity in the b?c-plane perpendicular to the most conducting direction. The formation of these domain walls may be related to the proposal of a soliton phase in the vicinity of the critical pressure of the (TMTSF)2PF6 phase diagram.

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