Orbital effect of a magnetic field on the low temperature state in the organic metal $\alpha$-(BEDT-TTF)${}_2$KHg(SCN)${}_4$

Abstract

The effect of pressure on the B--T phase diagram of $\alpha$-(BEDT-TTF)${}_2$KHg(SCN)${}_4$ is studied. The measured phase lines can be well described by a recent model of a charge-density wave system with varying nesting conditions. A remarkable increase of the transition temperature with magnetic field is found in a certain pressure and field range. We associate this result with a dramatic enhancement of the orbital effect of magnetic field due to a deterioration of the nesting conditions by pressure. Furthermore, we present data which can be interpreted as a first sign of field-induced charge-density waves.

9 pages, 5 figures

References in corpus (3)

• Phase Diagram for Charge Density Waves in a Magnetic Field
• Violation of Kohler's rule by the magnetoresistance of a quasi-two-dimensional organic metal
• Magnetic field - temperature phase diagram of the organic conductor alpha-(BEDT-TTF)2KHg(SCN)4

Cited by in corpus (16)

• Electronic crystals: an experimental overview
• High magnetic field induced charge density wave states in a quasi-one dimensional organic conductor
• Orbital quantization in the high magnetic field state of a charge-density-wave system
• Unconventional charge density wave in the organic conductor alpha-(BEDT-TTF)_2KHg(SCN)_4
• Angle-dependent magnetoresistance in the weakly incoherent interlayer transport regime
• Magnetic-field-induced dimensional crossover in the organic metal $\alpha$-(BEDT-TTF)${}_2$KHg(SCN)${}_4$
• Superconductivity in the charge-density-wave state of the organic metal α-(BEDT-TTF)2KHg(SCN)4
• The magnetic field dependence of the threshold electric field in unconventional charge density waves
• Recent Advances in Unconventional Density Waves
• A new quantum fluid at high magnetic fields in the marginal charge-density-wave system $\alpha$-(BEDT-TTF)${}_{2}M$Hg(SCN)${}_4$ (where $M=$~K and Rb)
• Magnetic Field Dependent Behavior of the CDW ground state in Per2M(mnt)2 (M = Au, Pt)
• Interplay between the orbital quantization and Pauli effect in a charge-density-wave organic conductor
• Magnetic quantum oscillations in the charge-density-wave state of the organic metals $\alpha$-(BEDT-TTF)${}_2$MHg(SCN)${}_4$ with M = K and Tl
• Impurity scattering in unconventional density waves: non-crossing approximation for arbitrary scattering rate
• Magnetic Field Dependence of CDW Phases in Per2M(mnt)2 (M=Pt, Au)
• Spin-density wave state in simple hexagonal graphite