Superconductivity, pairing symmetry, and disorder in the doped topological insulator Sn${}_{1-x}$In${}_x$Te for x $\ge$ 0.10

M. P. Smylie, H. Claus, W. -K. Kwok +12

The temperature dependence of the London penetration depth $\Delta \lambda (T)$ in the superconducting doped topological crystalline insulator Sn${}_{1-x}$In${}_x$Te was measured down to 450 mK for…