Influence of order–disorder effects on the optical parameters of Ag7(Si1−xGex)S5I-mixed crystals. - Pogodin, A. I.; Pop, M. M.; Shender, I. A.; Studenyak, I. P.; Filep, M. J.; Malakhovska, T. O.; Kokhan, O. P.; Babuka, T. Y.; Suslikov, L. M.; Rubish, V. M. (Journal of Materials Science: Materials in Electronics, 2022)