Electric Conductivity of Glasses in the Ga₂S₃GeS₂MCl System
(M = Li, Na, K, Cs, Ag, and Tl)

Yu. S. Tver’yanovich, V. V. Aleksandrov, I. V. Murin, and E. G. Nedoshovenko

St. Petersburg State University (Petrodvorets Branch), Universitetskii pr. 2, Petrodvorets, 198904 Russia

Abstract—Glasses consisting of gallium sulfide, germanium sulfide, and chloride of singly charged cations
(Li, Na, K, Rb, Cs, Ag, and Tl) possess a considerable ionic conductivity (up to 10^{–3 –1} cm^–1 at the softening
temperature). The dependences of the activation energy for ionic conduction on the concentration of cations and
their ionic radii are adequately described within the simple model. This implies that these glasses can be con-
sidered good solid electrolytes and also convenient model systems for further investigations of ion transfer.

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