TY - BOOK AU - Basit Sohail (26199) TI - Enhancement in the up conversion luminescence of Er3+/Yb3+/Fe3+ -Tridoped NaBiF4 U1 - 530.411 PY - 2020/// CY - Islamabad PB - (unpublished) KW - Physics KW - Density function theory KW - Magnetic properties KW - Gaussian function KW - Dielectric function KW - Perovskite KW - DBS KW - FEAS N1 - Submitted in fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Department of Basic Sciences; Includes bibliographical references; Thesis supervisor: Dr. Sikander Azam ; Thesis (M.Phil)--Riphah International University, 2020 ER -