Electrical properties of (Cu1-xAgx)7GeS5I crystals investigated by impedance spectroscopy

(Cu1-xAgx)7GeS5I solid solutions in the form of single crystals have been investigated by impedance spectroscopy in the temperature range from 110 K to 350 K. The partial substitution of mobile Cu+ and Ag+ ions affects the conductivity of these compounds, which is explained by mixed-ion effect. •Inf...

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Bibliographic Details
Published in:Solid state ionics 2021-05, Vol.363, p.115593, Article 115593
Main Authors: Kavaliukė, V., Šalkus, T., Balčiūnas, S., Banys, J., Pogodin, A.I., Kokhan, O.P., Studenyak, I.P.
Format: Article
Language:English
Subjects:
Argyrodite
Arrhenius law
Conductivity
Copper
Crystals
Electrical conductivity
Electrical properties
Impedance spectroscopy
Mixed – ion effect
Silver
Single crystals
Solid solutions
Spectrum analysis
Studies
Superionic conductor
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Summary:(Cu1-xAgx)7GeS5I solid solutions in the form of single crystals have been investigated by impedance spectroscopy in the temperature range from 110 K to 350 K. The partial substitution of mobile Cu+ and Ag+ ions affects the conductivity of these compounds, which is explained by mixed-ion effect. •Influence of cation substitution on the electrical conductivity is studied.•Mixed – ion effect in (Cu1-xAgx)7GeS5I crystals is discussed.•Electrical properties are investigated in 110–290 K temperature interval.
ISSN:0167-2738
1872-7689
DOI:10.1016/j.ssi.2021.115593