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A.C. conduction in glassy Se70Te30−x Sbx alloys: observation of Meyer-Neldel rule

Published online by Cambridge University Press:  24 January 2007

N. Mehta ,
S. Kumar  and
A. Kumar
N. Mehta
Affiliation:
Physics Department, Pranveer Singh Institute of Technology, Kanpur, India
S. Kumar
Affiliation:
Physics Department, Christ Church College, Kanpur, India
A. Kumar*
Affiliation:
Physics Department, Harcourt Butler Technological Institute, Kanpur, India
*
dr_ashok_kumar@yahoo.com
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Abstract

Temperature and frequency dependence of a.c. conductivity have been studied in glassy Se70Te30−x Sbx (2 ≤ x ≤ 10). An agreement between experimental and theoretical results suggests that the a.c. conductivity behaviour of Se-Te-Sb system can be successfully explained by correlated barrier hopping (CBH) model. The observation of Meyer-Neldel rule in case of a.c. conductivity at high temperatures is also reported for glassy Se70Te30−x Sbx (2 ≤ x ≤ 10) alloys.

Keywords

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Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 37 , Issue 2 , February 2007 , pp. 123 - 128
Copyright
© EDP Sciences, 2007

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