Contrasting the Surface Phonon Dispersion of Pb0.7Sn0.3Se in Its Topologically Trivial and Nontrivial Phases

Kalish, S.S.KalishChamon, C.C.ChamonEl-Batanouny, M.M.El-BatanounySantos, L. H.L. H.SantosSankar, R.R.SankarChou, F. C.F. C.Chou2020-04-212020-04-21201900319007https://scholars.lib.ntu.edu.tw/handle/123456789/484855Contrasting the Surface Phonon Dispersion of Pb0.7Sn0.3Se in Its Topologically Trivial and Nontrivial Phasesjournal article10.1103/PhysRevLett.122.116101