00985nam a22002057a 4500952012900000999001700129040003600146082001300182100002400195245009000219260003500309300004500344500013600389500004100525500004200566502005900608546001200667650009300679942000700772  00104070aRIUbRIUd2022-03-09eRiphah International Universityl0o530 SAFp68536r2022-03-09 00:00:00t1w2022-03-09yTH  c42671d42671  cRiphah International University  a530bSAF  aSafar Ehsan (13257)  aEffect of se and te on the optoelectronic properties of Li2sbfirst principle studies  aIslamabadb(unpublished)c2021  axiii, 46 p.b: ill., Col.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Department of Basic Sciences.  aIncludes bibliographical references.  aThesis supervisor: Dr. Amin Ur Rahman  aThesis (M.Phil)--Riphah International University, 2021  aEnglish  aPhysicsvElectron density vKinetic energy vPotential energy vReflectivity vDBSvFEAS  cTH