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Physical mechanics calculations for the cohesive energies and elastic constants of alkali-halide crystals

Physical mechanics calculations for the cohesive energies and elastic constants of alkali-halide... The Gordon-Kim method of calculating the interatomic potentials is modified with corrections to the exchange and dispersion interactions, and the interionic potentials in alkali-halide crystals are calculated from Roothaan-Hartree-Fock ionic wavefunctions. The lattice constants, cohesive energies and elastic constants of NaCl, NaF, NaBr, KCl, KF, KBr, RbCl, RbF and RbBr crystals are evaluated using the calculated interionic potentials. The agreement of the results with the experimental data is good. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Mechanica Sinica Springer Journals

Physical mechanics calculations for the cohesive energies and elastic constants of alkali-halide crystals

Acta Mechanica Sinica , Volume 5 (1) – Aug 12, 2006

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References (17)

Publisher
Springer Journals
Copyright
Copyright
Subject
Engineering; Theoretical and Applied Mechanics; Classical and Continuum Physics; Engineering Fluid Dynamics; Computational Intelligence
ISSN
0567-7718
eISSN
1614-3116
DOI
10.1007/BF02486689
Publisher site
See Article on Publisher Site

Abstract

The Gordon-Kim method of calculating the interatomic potentials is modified with corrections to the exchange and dispersion interactions, and the interionic potentials in alkali-halide crystals are calculated from Roothaan-Hartree-Fock ionic wavefunctions. The lattice constants, cohesive energies and elastic constants of NaCl, NaF, NaBr, KCl, KF, KBr, RbCl, RbF and RbBr crystals are evaluated using the calculated interionic potentials. The agreement of the results with the experimental data is good.

Journal

Acta Mechanica SinicaSpringer Journals

Published: Aug 12, 2006

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