Structural Profile, Lattice Dynamics, Broad Frequency Dielectric Responses, and Tuning of Optoelectronic Properties of Multiphase V2−xMnxO5−δ Compounds Systems. - Safna, K.; Jayaram, Peediyekkal; Sabna, M.; Sivadasan, A. K.; Mahapatra, Mitrabinda (Journal of Electronic Materials, 2025)