Fig. 3: Phase diagram of Pomeranchuk electrons.
From: Fate of Pomeranchuk effect in ultrahigh magnetic fields
a Magnetic-temperature metal-insulator phase diagram of [(DMe-DCNQI)1-x(d8-DMe-DCNQI)x]2Cu (blue: x = 0.3, green: x = 0.5, and red: x = 1). Bars attached to data points represent uncertainties in temperature and magnetic field. Temperature uncertainty arises from heating during a field generation (see Supplementary Material), whereas magnetic field uncertainty reflects the electromagnetic noise in STC experiments (see Supplementary Material for raw data) and possible deviation from the field centre due to sample length in EMFC experiments35. Dashed curve is a phase boundary phenomenologically estimated for the x = 1 salt. Thick curves superimposed on the data points serve as visual guides. b Simulation of magnetisation curves in metallic (red) and insulating (blue) states. Dashed line denotes saturation of the insulating state at μB/3. Black arrows indicate the magnetisation jump associated with fields of metal-insulator and insulator-metal phase transitions, HMI and HIM. The areas of the two grey regions, representing energy gains ΔG due to magnetic fields, are equal.
