Pressure dependence of the spin gap in BaVS_3

Abstract

We carried out magnetotransport experiments under hydrostatic pressure in order to study the nature of the metal-insulator transition in BaVS${}_3$. Scaling relations for $\rho (T,H,p)$ are established and the pressure dependence of the spin gap is determined. Our new results, in conjunction with a re-analysis of earlier specific heat and susceptibility data, demonstrate that the transition is weakly second order. The nature of the phase diagram in the $T$--$p$--$H$ space is discussed.

5 pages, 5 figures, submitted to PRB Rap. Com

References in corpus (2)

• Orbitally Driven Spin Pairing in the 3D Non-Magnetic Mott Insulator BaVS3: Evidence from Single Crystal Studies
• Pressure Induced Quantum Critical Point and Non-Fermi-Liquid Behavior in BaVS3

Cited by in corpus (6)

• Octupolar ordering of Gamma8 ions in magnetic field
• Transport measurements on van der Waals heterostructures under pressure
• Separation of orbital contributions to the optical conductivity of BaVS${}_3$
• Pressure induced suppression of the singlet insulator phase in BaVS${}_3$: infrared optical study
• Magnetic-field-induced transition in BaVS3
• Orbital order and spin-orbit coupling in BaVS3