Off-center impurity in alkali halides: reorientation, electric polarization and pairing to F center. III. Numerical calculations

2007/10/11 by G. Baldacchini, Baldacchini, G., R.M. Montereali +13 · 1 citation
Chemistry · Materials Science · #Chemical Physics (physics.chem-ph) #Computational Physics (physics.comp-ph) #FOS: Physical sciences #Inorganic Chemistry and Materials #Inorganic Fluorides and Related Compounds #Solid-state spectroscopy and crystallography

paper · pdf · doi:10.48550/arxiv.0710.2334

openalex publication_date 2007/10/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We carried out numerical calculations by an extended-Hueckel program in order to check the analytical results reported in the preceding Part I and Part II. We typically consider alkali halide clusters composed of some tens of constituent atoms to calculate electronic energies under static conditions or versus the displacements of particular atoms. Among other things, the off-center displacement of substitutional Li+ impurity in most alkali halides is evidenced. The trigonometric profile of the rotational barriers is also confirmed for KCl.

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