00990nam a22002057a 4500952009900000999001700099040003600116082001600152100002700168245010700195260003200302300004100334500010800375500002500483500004900508502007000557546001200627650013800639942000700777  00104071aLCCbLCCd2020-11-07l0o546.72 HUSp57958r2020-11-07 00:00:00t1w2020-11-07yTH  c31755d31755  cRiphah International University  bHUSa546.72  aHusnain Rafiq (401838)  aAn Ab-Initio study of structural, optical and thermal properties of PbX (X=Se, S and Te) Chalcogenides  aLahoreb(unpublished)c2020  aviii, 54 p.b: ill.c; 30 cm.e+ CD.  aSubmitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Physics.  aIncludes references.  aThesis supervisor: Dr. Muhammad Waqas Iqbal.  aThesis (M. Phil. Physics)--Riphah International University, 2020.  aEnglish  aChalcogenidesaPhysicsvAB-Intino studyvGeothermal energyvThermal properties vOptical properties vCarbon dioxidevPhysics vRICAS  cTH