Ibraheem, Abdelaziz Mohammed; Supervisor, Mohamed Hassan Eisa Salim; Co. Supervisor, Ahmed Elhassan Elfaki
(Sudan University of Science and Technology, 2016-08-10)
This Thesis study semi local and hybrid density functional analysis of charge transition levels of native defects in BaF2 and CaF2 structures. The transition levels was calculated from the formation energies corresponding ...