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A Model for Lattice Dynamics of Lanthanides
Author(s) -
Kushwaha S. S.,
Dikshit M. P.,
Srivastava S. K.
Publication year - 1988
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221490107
Subject(s) - coulomb , electron , lattice (music) , core electron , lanthanide , condensed matter physics , physics , core model , shell model , thermal conduction , rare earth , atomic physics , ion , chemistry , quantum mechanics , mineralogy , mathematics , acoustics , mathematical analysis
A simple model is proposed for studying the lattice dynamics of h.c.p. rare earth metals. The interaction between core‐core and (f, d)shells–(f, d)shells via conduction electrons is considered through a screened‐Coulomb potential. The direct Coulomb interaction between cores and (f, d)shell electrons is essentially short‐range and is, therefore, described through a non‐central type interaction extending upto the third neighbours.
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