Phonon and defect mediated quantum anomalous Hall insulator to metal transition in magnetically doped topological insulators

Akiyoshi Park, Adrian Llanos, Chun-I Lu +8

Quantum Anomalous Hall (QAH) state in six quintuple layer Cr${}_{0.1}$(Bi${}_{0.2}$Sb${}_{0.8}$)${}_{1.9}$Te${}_3$ thin films were studied through scanning tunneling spectroscopy (STS) and e…