Inversion symmetry breaking induced triply degenerate points in orderly arranged PtSeTe family materials

R. C. Xiao, C. H. Cheung, P. L. Gong +3

$k$ paths exactly with $C_{3v}$ symmetry allow to find triply degenerate points (TDPs) in band structures. The paths that host the type-II Dirac points in PtSe${}_2$ family materials…