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Powder Diffraction Data of CdTexSe1-xSolid Solutions

Published online by Cambridge University Press:  10 January 2013

N.A. Razik ,
G. Al-Barakati  and
S. Al-Heneti
N.A. Razik
Affiliation:
Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
G. Al-Barakati
Affiliation:
Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
S. Al-Heneti
Affiliation:
Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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Abstract

CdTexSe1-xsolid solutions with (x) ranging between zero and one were prepared by solid state diffusion under vacuum and their precise lattice constants and X-ray powder diffraction data were determined. It was found that alloys with 0≤x≤0.4 possess the hexagonal wurtzite structure while those with 0.5≤x≤1.0 have the cubic zincblende structure. The lattice parameters obeyed Vegard's law according to the following formulae

Extrapolated lattice constants were a = 6.066(6) Å for the cubic form of CdSe and a = 4.563(6) Å and c = 7.502 (10) Å for the hexagonal form of CdTe.

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Type
Research Article
Information
Powder Diffraction , Volume 5 , Issue 4 , December 1990 , pp. 206 - 209
Copyright
Copyright © Cambridge University Press 1990

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