DETERMINATION OF DEBYE TEMPERATURE AND DEBYE-WALLER FACTOR OF AIBIIIC2VI & AIIBIVC2V TYPE CHALCOPYRITE SEMI-CONDUCTORS

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ISSN: 2349-6002 ESTD Year: 2014

UGC approved journal no 47859

DETERMINATION OF DEBYE TEMPERATURE AND DEBYE-WALLER FACTOR OF AIBIIIC2VI & AIIBIVC2V TYPE CHALCOPYRITE SEMI-CONDUCTORS
Author(s):
AJAY KUMAR SHARMA, SHRADDHA PRASAD, SANJAY KUMAR GORAI
Keywords:
Debye temperature, Ternary Chalcopyrite, Debye-Waller Factor, Electronegativity, principal quantum number.
Abstract
For more than 30 years, chalcopyrite semi-conductors with the forms AIBIIIC2VI & AIIBIVC2V have attracted much attention due to their potential applications in non-linear optical devices, detectors, solar cells etc. Numerous researchers have proposed a numbers of models to study the mechanical, electronic, chemical and optical properties of these types of solids. In the present work a simple empirical model has been proposed to estimate the Debye temperature (ƟD) of ternary chalcopyrite structure solids of AIBIIIC2VI & AIIBIVC2V type from the electro-negativities of the constituent atoms and the principal quantum number of atoms of the compounds. The empirical relation is based on the chemical bond theory. The Debye-Waller factors for the ternary chalcopyrite semi-conductors are determined from the calculated values of Debye Temperature.
Article Details
Unique Paper ID: 148302 Publication Volume & Issue: Volume 6, Issue 1 Page(s): 212 - 215
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