Investigation of structure, electronic and optical properties of strontium sulfide (SrS) using pseudopotential method

In this paper the electronic، structure and optical properties of strontium sulfide in rocksalt phase have been studied. The calculation have been performed using pseudopotential method in the framework of density functional theory (DFT) by Abinit package. in this calculation we used of localized density approximation (LDA) and generaliezed geradient (GGA) approximation. The obtained result have been good agreement with other theory and experimental results. Keywords: charge disturibution، density of state، density functional theory، SrS. Keywords: charge disturibution، density of state، density functional theory، SrS. Keywords: charge disturibution، density of state، density functional theory، SrS. Keywords: charge disturibution، density of state، density functional theory، SrS.