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Research Paper | Physics Science | India | Volume 3 Issue 7, July 2014 | Popularity: 6.1 / 10
Second Order Elastic Constants of (CsCN)x(CsX)1-x, (X= Cl, Br and I) mixed crystals
Dr. Preeti Singh, Dr Subhadra Rajpoot
Abstract: We have applied an Extended Three-Body Force Shell Model (ETSM) to investigate the elastic properties of mixed alkali cyanide-alkali halide crystal (CsCN) x (CsX) 1-x, (X= Cl, Br and I) for x=0, 0.28, 0.59 and 0.96 at different temperature. This model includes the effect of coupling between the translational and rotational motion of cyanide molecules. The static shear elastic constant c44 obtained by us shows an anamolous behaviour as a function of temperature. We have also reported the c11 and c12 of (CsCN) x (CsX) 1-x, (X= Cl, Br and I) mixed crystal.
Keywords: Elastic Constants, Cohesive energy, Elastic Softening, Mixed crystals, Translational-rotational coupling
Edition: Volume 3 Issue 7, July 2014
Pages: 1776 - 1779
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