Structure--property relationships in Ag6+x(P1--xSix)S5I argyrodite-type solid solutions. - Pogodin, A. I.; Filep, M. J.; Shender, I. O.; Malakhovska, T. O.; Kokhan, O. P.; Izai, V. (Semiconductor Physics, Quantum Electronics & Optoelectronics, 2026)