Synthesis, structural and optical properties of a new orthochromite compound prepared by sol–gel method. - Boujelbene, Wiem; Mguedla, R.; Ben Jazia Kharrat, A.; Chniba-Boudjada, N.; Khirouni, K.; Kammoun, S.; Boujelben, W. (Journal of Materials Science: Materials in Electronics, 2025)