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An Account of Configuration Interactions in Group‐Theoretical Classification of Electronic States in Crystals Composed of Complexes of Bound Impurity Ions
Author(s) -
Vonsovskii S. V.,
Men A. N.,
Cherepanov V. I.,
Karpenko B. V.,
Farberov D. S.,
Nikolaev A. P.,
Mitrofanov V. I.,
Chufarov G. I.
Publication year - 1969
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.19690310106
Subject(s) - impurity , ion , corundum , group (periodic table) , crystal (programming language) , spinel , charge (physics) , materials science , atomic physics , condensed matter physics , chemistry , crystallography , physics , quantum mechanics , metallurgy , organic chemistry , computer science , programming language
A group‐theoretical classification of the states of paramagnetic impurity ions is made taking into account charge transfer. The cases of an impurity ion in a spinel crystal and the first order pair of equivalent Cr 3+ ions in corundum are studied as examples. A group‐theoretical classification of the states of complexes of N impurity ions ( N = 2 to 4) is given. KMg(Co)F 3 is discussed as an example.