The High Magnetic Field Phase Diagram of a Quasi-One Dimensional Metal

Abstract

We present a unique high magnetic field phase of the quasi-one dimensional organic conductor (TMTSF)${}_2$ClO${}_4$. This phase, termed "Q-ClO${}_4$", is obtained by rapid thermal quenching to avoid ordering of the ClO${}_4$ anion. The magnetic field dependent phase of Q-ClO${}_4$ is distinctly different from that in the extensively studied annealed material. Q-ClO${}_4$ exhibits a spin density wave (SDW) transition at $\approx$ 5 K which is strongly magnetic field dependent. This dependence is well described by the theoretical treatment of Bjelis and Maki. We show that Q-ClO${}_4$ provides a new B-T phase diagram in the hierarchy of low-dimensional organic metals (one-dimensional towards two-dimensional), and describe the temperature dependence of the of the quantum oscillations observed in the SDW phase.

10 pages, 4 figures, preprint

Cited by in corpus (3)

• Coexistence of Superconductor and Spin-Density Wave in (TMTSF)2ClO4: Spatial Structure of the Two-phase State
• New SDW phases in quasi-one-dimensional systems dimerized in the transverse direction
• Role of Anion Ordering in the Coexistence of Spin-Density-Wave and Superconductivity in (TMTSF)2ClO4