Band structure and optical properties of low temperature modification of Ag7PS6 single crystal. - Pogodin, Artem I.; Pop, Mykhailo M.; Shender, Iryna A.; Filep, Mykhailo J.; Malakhovska, Tetyana O.; Vakulchak, Vasyl V.; Kokhan, Oleksandr P.; Bletskan, Dmytro; Rubish, Vasyl M.; Lisý, Vladimír; Tóthová, Jana (Journal of Materials Science: Materials in Electronics, 2023)