Dielectric behavior of allkali halides and the second-neighbor interaction
- 15 April 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 9 (8) , 3609-3613
- https://doi.org/10.1103/physrevb.9.3609
Abstract
The dielectric and mechanical properties of alkali halides have been examined within the framework of the three-body-force shell model by including the effect of the second-neighbor interaction. The resultant force constants coupling the second neighbors have been calculated for three arbitrarily chosen values of the ionic charge as modified by the charge transfer implicit in the three-body-force shell model. It has been observed that, in lithium halides and in NaF, the resultant force coupling the second neighbors is repulsive in nature while in all the other alkali halides it is attractive.Keywords
This publication has 26 references indexed in Scilit:
- Dielectric Properties and Different Models of Ionic CrystalsPhysical Review B, 1972
- Effect of Three‐Body Interactions on the Shell Model of Alkali Halides: Application to KF and KClPhysica Status Solidi (b), 1970
- Dielectric dispersion and the structures of ionic latticesProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1969
- The Contribution of Three‐Body Overlap Forces to the Dynamical Matrix of Alkali HalidesPhysica Status Solidi (b), 1969
- Effect of Three‐Body Forces on the Shell Model of Alkali Halides: Application to KBr and KIPhysica Status Solidi (b), 1969
- A Deformable Shell Model for the Alkali HalidesPhysica Status Solidi (b), 1968
- On van der Waals dipole-dipole coefficients in alkali halidesJournal of Physics and Chemistry of Solids, 1967
- van der Waals interaction energy for alkali halidesProceedings of the Physical Society, 1967
- Quantum theory of cohesive properties of solidsAdvances in Physics, 1956
- Compressibility and absorption frequency of ionic crystalsProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1950