Figure 3
From: Superconductivity Bordering Rashba Type Topological Transition

(a) ac magnetic susceptibility of BiTeI as a function of temperature at high pressure; (b,c) Magnetic field dependence of the superconductivity transition of the BiTeI single crystal at 14 GPa and 26 GPa with an applied magnetic field H perpendicular to the ab plane, and (d) the dependence of TC on the magnetic field H.