Effect of anionic ordering on the electronic and optical properties of BaTaO2N: TB-mBJ density functional calculation
Bettine K1, Sahnoun O1, †, Driz M2
       

(color online) Selected directions in the primitive Brillouin zone for the three structures of BaTaO2N: (a) P4mm (polar-trans), (b) I4/mmm (non-polar-trans), and (c) Pmma (antipolar-cis).