: first-principle calculations Zeshan Sajjad (37772) creator text Lahore (unpublished) 2023 monographic xv, 42 p. : ill. ; 29.1 cm. Includes bibliographical references A thesis submitted in partial fulfilment of the requirement for the degree of Master of Philosophy in Physics. Thesis supervisor: Dr. Atiq Ur Rehman Thesis (Mphil)--Riphah International University, 2023 English Physics Energy harvesting technology Thermodynamic stability Thermal conductivity Mechanical stability Double perovskite Mphil-Physics RICAS 530 ZES