00825nam a22001577a 4500040003600000082001500036100003400051245012400085260003200209300005100241500010700292500004500399502006600444546001200510650014500522  cRiphah International University  a530.1bRAM  aRamzan Khan, Muhammad (53523)  aDFT study of Cs2LiWX6 (X=Br, Cl,I)b: unravelling the interplay between thermoelectric, optical and band gap properties  aLahoreb(unpublished)c2025  ax, various pagesb: ill., Col.,c; 29 cm.e+CD  aSubmitted in partial fulfilment of the requirements for the degree of Master of Philosophy in Physics.  aThesis supervisor: Prof. Dr. Waqas Iqbal  aThesis (MPhil-Physics)--Riphah International University, 2025  aEnglish  aPhysicsaThermoelectricvHalide double perovskitesvDensity functional theoryvOptical propertiesvBand gapvTunabilityvMPhil-PhysicsvRCST