Quasi-localized Impurity State in Doped Topological Crystalline Insulator Sn${}_{0.9}$In${}_{0.1}$Te Probed by ${}^{125}$Te-NMR

Satoki Maeda, Shota Katsube, Guo-qing Zheng

The In-doped topological crystalline insulator Sn${}_{1-x}$In${}_x$Te is a promising candidate for a topological superconductor, where it is theoretically suggested that In creates an…