Persistence to high temperatures of interlayer coherence in an organic superconductor

Abstract

The interlayer magnetoresistance ${\rho }_{zz}$ of the organic metal \cuscn is studied in fields of up to 45 T and at temperatures $T$ from 0.5 K to 30 K. The peak in ${\rho }_{zz}$ seen in in-plane fields, a definitive signature of interlayer coherence, remains to $T$s exceeding the Anderson criterion for incoherent transport by a factor $\sim 30$. Angle-dependent magnetoresistance oscillations are modeled using an approach based on field-induced quasiparticle paths on a 3D Fermi surface, to yield the $T$ dependence of the scattering rate ${\tau }^{-1}$. The results suggest that ${\tau }^{-1}$ does not vary strongly over the Fermi surface, and that it has a $T^2$ dependence due to electron-electron scattering.

References in corpus (1)

• The Dependence of the Superconducting Transition Temperature of Organic Molecular Crystals on Intrinsically Non-Magnetic Disorder: a Signature of either Unconventional Superconductivity or Novel Local Magnetic Moment Formation

Cited by in corpus (5)

• Nearly Isotropic superconductivity in (Ba,K)Fe2As2
• Angle-dependent magnetoresistance oscillations due to magnetic breakdown orbits
• Boson-assisted tunneling in layered metals
• Anisotropic scattering in angular-dependent magnetoresistance oscillations of quasi-2D and quasi-1D metals: beyond the relaxation-time approximation
• High-field magnetoresistive effects in reduced-dimensionality organic metals and superconductors