2026. 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. Indian Journal of Pure & Applied Physics (IJPAP). 64, 4 (Apr. 2026). DOI:https://doi.org/10.56042/ijpap.v64i4.26122.