Photon Drag Effect in (Bi${}_{1-x}$Sb${}_x$)${}_2$Te${}_3$ Three Dimensional Topological Insulators

H. Plank, L. E. Golub, S. Bauer +10

We report on the observation of a terahertz radiation induced photon drag effect in epitaxially grown $n$- and $p$-type (Bi${}_{1-x}$Sb${}_x$)${}_2$Te${}_3$ three dimensional topolog…