Title
Quantum-mechanical model relating negative-ion polarizabilities in free space and in an ionic crystal Quantum-mechanical model relating negative-ion polarizabilities in free space and in an ionic crystal
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Chemistry
Source (journal)
The journal of physics and chemistry of solids. - New York, N.Y.
Volume/pages
63(2002) :2 , p. 287-294
ISSN
0022-3697
ISI
000172747000015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Earlier Wilson and Curtis used a classical model of a compressible conducting sphere to relate the free-negative-ion polarizability alpha (-)(o) to that alpha (-) of the negative ion in a crystal field, such as in an alkali-halide lattice. Here the adjustable parameter in the Wilson-Curtis model is interpreted in terms of quantum-mechanical expectation values of a single anion in free space together with a factor containing fingerprints of the crystal structure (e.g. NaCl or CsCl). The quantum-mechanical valence-electron rescaling framework should then also be useful for other purposes, e.g. to treat dynamic polarizabilities in a comparatively simple manner. (C) 2001 Elsevier Science Ltd. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/4962a0/e796013.pdf
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