Specific feature of mixed alkali effect in the a.c. conductivity of ion-conducting glasses

We discuss a new mixed alkali effect observed recently in the dynamic conductivity (in the frequency range from GHz to THz) of ion-conducting glasses. The parameters of a supra-linear power law that describes the dispersive a.c. conductivity are mutually interconnected to yield a concentration indep...

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Bibliographic Details
Published in:Materials letters 2005-06, Vol.59 (13), p.1634-1635
Main Author: Papathanassiou, A.N.
Format: Article
Language:English
Subjects:
Conductivity
Electrical properties
Glasses
Relaxation
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Summary:We discuss a new mixed alkali effect observed recently in the dynamic conductivity (in the frequency range from GHz to THz) of ion-conducting glasses. The parameters of a supra-linear power law that describes the dispersive a.c. conductivity are mutually interconnected to yield a concentration independent phenomenon. The latter could probably constitute a universal behaviour of non-hopping lattice relaxation.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2005.01.030