Electric conductivity studies of composites (Cu1-xAgx)6PS5I superionic conductors - I. P. Studenyak; Yu. Buchuk; A. V. Bendak; O. O. Yamkovy; E. Kazakevicius; T. Salkus; A. Kezionis; A. F. Orliukas (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2014)