Synthesis and Optical-Electronic Characterization of Nickel Pyro-Vanadate A2NiV2O7 (A = Na, Ag) Semiconductors: Experimental, DFT, and Hybrid-DFT Approaches. - Ayad, Atika; Benhsina, Elhassan; Guerraf, Abdelqader El; Hajjaji, Souad El (Journal of Electronic Materials, 2024)