Syrotyuk, S.V.; Shved, V.M.
(Condensed Matter Physics, 2015)
The electronic energy band spectra of the alkali metal chalcogenides M₂A (M: Li, Na, K, Rb; A: O, S, Se, Te) have been evaluated within the projector augmented waves (PAW) approach by means of the ABINIT code. The Kohn-Sham ...