Static properties and stability of structure of ammonium halides
- 15 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 30 (2) , 1004-1007
- https://doi.org/10.1103/physrevb.30.1004
Abstract
The static properties of ammonium halides are determined in the Born model of ionic crystals using a modified form for repulsion energy. The repulsion parameters are derived from crystal data. An average value of 0.3933 Å for the hardness parameter, is employed in the evaluation of energy parameter and cohesive energies and other lattice properties of ammonium halides. The present computations are satisfactory when compared with experimental data. An attempt to explain the relative stability of these crystals in hypothetical NaCl-type crystal structure has been made in the present model which gives a correct prediction.Keywords
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