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Comments on Levin's Modifications in the Phillips and Van Vechten Theory. d‐Electron Effect on Ionicity
Author(s) -
Singh O. P.,
Gupta V. P.
Publication year - 1986
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.2221370112
Subject(s) - electron , ionic bonding , range (aeronautics) , statistical physics , physics , theoretical physics , quantum mechanics , materials science , ion , composite material
Based on theoretical grounds some serious objections against Levin's modifications are discussed and an alternate approach to calculate the ionic gap E c is presented. An attempt is made to see the validity of the theory in a wide range of structures. Calculated data show that the number of d‐electrons taking part in the bond formation depends on the ionicity which is in accordance with the earlier predictions.