Dielectric properties and phase transitions in crystals of TlInSxSe2 − x solid solutions

This paper reports on a study of the dielectric permittivity and electrical conductivity of single-crystal TlInS x Se 2 − x solid solutions as functions of temperature and composition. It has been found that the dielectric permittivity ɛ and electrical conductivity σ decrease with increasing x and i...

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Bibliographic Details
Published in:Physics of the solid state 2012-03, Vol.54 (3), p.622-625
Main Authors: Sheleg, A. U., Hurtavy, V. G., Shautsova, V. V., Aliev, V. A.
Format: Article
Language:English
Subjects:
Phase Transitions
Physics
Physics and Astronomy
Solid State Physics
Online Access:Get full text
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Summary:This paper reports on a study of the dielectric permittivity and electrical conductivity of single-crystal TlInS x Se 2 − x solid solutions as functions of temperature and composition. It has been found that the dielectric permittivity ɛ and electrical conductivity σ decrease with increasing x and increase with growing temperature. The temperature dependences ɛ = f ( T ) and σ = f ( T ) for TlInS x Se 2 − x crystals have been demonstrated to reveal anomalies in the form of maxima, which suggests that these crystals undergo phase transitions. The temperatures of the phase transitions increase with increasing x .
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783412030298