“Investigation of Photo Sensitive Properties of Ferroelectric Stannous Chloride Dihydrate Doped Triglycine Sulphate (SnCl2.2H2O-TGS) Crystal by Pseudo Spin Lattice Coupled Mode (PLCM) Model” (2026) Indian Journal of Pure & Applied Physics (IJPAP), 64(4). doi:10.56042/ijpap.v64i4.26122.