Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/96462
Type: Artigo de periódico
Title: Extended De Launay Model Study Of Lattice Dynamics Of Alkali Metals
Author: Cavalheiro R.
Shukla M.M.
Abstract: The original model of de Launay has been extended to consider interionic interactions out to fourth neighbours. The present formalism has been applied to study lattice dynamics of four alkali metals viz sodium, potassium, lithium and rubidium. The phonon dispersion curves along the principal symmetry directions, frequency versus frequency distribution function as well as lattice heat capacities are calculated and compared to experimental results. An excellent agreement has been obtained between the theoretical and experimental results for all the four metals studied here. © 1974 with the authors.
Editor: 
Rights: fechado
Identifier DOI: 10.1007/BF03158197
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-77951514321&partnerID=40&md5=9d8a6f37950934037072a0f4d6b7613b
Date Issue: 1974
Appears in Collections:Unicamp - Artigos e Outros Documentos

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