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. 2023 Aug 25;10(30):2303622. doi: 10.1002/advs.202303622

Figure 3.

Figure 3

Electric transport properties of fcc SnH4 at 180 GPa studied in magnetic fields. a) Temperature dependence of the electrical resistance of the sample. Fully linear R(T) is observed from 300 to 120 K. At ≈30 K, the electrode system becomes unstable. Inset: residual resistance at T < T C. b) Displacement of the superconducting transition in external magnetic fields up to 16 Tin warming and cooling cycles. c) Experimental temperature dependence of TC (H ext). Using linear interpolation by different criteria (90, 50, and 10% of the normal state resistance) the values of upper critical magnetic field (B C2) were obtained. WHH fit is shown with a green curve. The area of deviation from this model is marked in red (see also Figure S24b, Supporting Information). d) Relative and absolute broadening of superconducting transitions in external magnetic fields. e) Temperature dependence of the critical current of the Sn hydride sample in external magnetic fields of 1 and 2 T.