A new type of cyclotron resonance from charge-impurity scattering in the bulk-insulating Bi${}_2$Se${}_3$ thin films

Xingyue Han, Maryam Salehi, Seongshik Oh +1

This work focuses on the low frequency Drude response of bulk-insulating topological insulator Bi${}_2$Se${}_3$ films. The frequency and field dependence of the mobility and carrier de…