(World Scientific Publ Co Pte Ltd, 2009) Akkus, Harun
The electronic band structures of some A(5)B(6)C(7)-type ternary compounds, BiSeI, BiSI, BiSCl, BiSBr, BiSeBr and SbSeBr, are investigated using the density functional theory and pseudopotential theory under the generalized gradient approximation (GGA). The electronic band structures obtained show that these crystals, except for BiSeI, have an indirect band gap.
We introduce a method for calculating the amount of deflection angle of light passing close to a massive object. It is based on Fermat's principle. The varying refractive index of medium around the massive object is obtained from the Buckingham pi-theorem. (C) 2013 Elsevier Inc. All rights reserved.
