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Author:
Kheifets, O. L.  Mel'nikova, N. V.  Filippov, A. L.  Shakirov, E. F.  Babushkin, A. N.  Nugaeva, L. L.  


Journal:
PHYSICS OF THE SOLID STATE


Issue Date:
2012


Abstract(summary):

The chalcogenides Cu1 - x Ag (x) GeAsSe3 (x = 0.5, 0.8, 0.9) have been synthesized and their electrical properties have been studied at low temperatures. Compounds of this type are electron-ionic conductors with a mixed character of conduction. It has been shown that the substitution of copper atoms for a part of silver atoms in the AgGeAsSe3 compound leads to a decrease in the total conductivity, a decrease in the fraction of ionic component of the conductivity, a significant increase in the polarization times, an increase in the temperature of the onset of a noticeable contribution (as compared to the electron contribution) of the ionic transport, and a decrease in the activation energy of carriers.


Page:
1562---1565


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