Electrophysical properties of LiYbF4 crystals

Nominally pure LiYbF 4 crystals have been grown by vertically directed crystallization in a fluorinating atmosphere. Their electric conductivity was studied by measuring the complex impedance in the temperature range of 479–825 K. The ionic conductivity is 1.4 × 10 −6 S/cm at 573 K. The temperature...

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Bibliographic Details
Published in:Crystallography reports 2010-05, Vol.55 (3), p.448-449
Main Authors: Sorokin, N. I., Karimov, D. N., Komar’kova, O. N.
Format: Article
Language:English
Subjects:
Crystallography and Scattering Methods
Physical Properties of Crystals
Physics
Physics and Astronomy
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Summary:Nominally pure LiYbF 4 crystals have been grown by vertically directed crystallization in a fluorinating atmosphere. Their electric conductivity was studied by measuring the complex impedance in the temperature range of 479–825 K. The ionic conductivity is 1.4 × 10 −6 S/cm at 573 K. The temperature dependence of the electric conductivity has two ranges, with activation energies of 0.73 ± 0.02 eV (409–580 K) and 0.42 ± 0.02 eV (580–825 K). Our results are discussed using the model of hopping conductivity for ionic crystals.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774510030132