Effective Force Constant Charges Around Impurities in Ionic Crystals
R. S. Roy
Post Graduate Department of Physics, Rajendra College, Chapra, Bihar (India)
The effective force constant changes for even symmetry modes around substitutional impurities in ionic crystals have been studied in terms of simple classical ionic crystal model for the potential energy. It has been shown that Coulomb and second-neighbour repulsive interactions can make appreciable contributions to the effective force-constant changes. These contributions are symmetry dependent.
KEYWORDS:Effective force-constant; Even symmetry mode; Subsitutional impurity; Symmetry dependent
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| Copy the following to cite this article: Roy R. S. Effective Force Constant Charges Around Impurities in Ionic Crystals. Orient J Chem 2002;18(2). |
| Copy the following to cite this URL: Roy R. S. Effective Force Constant Charges Around Impurities in Ionic Crystals. Orient J Chem 2002;18(2). Available from: http://www.orientjchem.org/?p=17376 |
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