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Estimation of Covalency Effects in the Optical Spectra of Crystals Containing Iron Group Ions (I)
Author(s) -
Kustov E. F.,
Uskova L. I.
Publication year - 1980
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.2221020118
Subject(s) - iron group , ion , group (periodic table) , unitary state , chemistry , spectral line , electron , tensor (intrinsic definition) , cluster (spacecraft) , optical spectra , unitary group , crystallography , computational chemistry , inorganic chemistry , molecular physics , mathematics , physics , pure mathematics , quantum mechanics , metal , computer science , organic chemistry , political science , law , programming language
In the limits of a semi‐empirical theory, the influence of covalency effects on the optical spectra of crystals, containing iron group ions is investigated. The general matrices for the calculation of these effects are derived, taking into consideration the configurations of central ion and ligand electrons. Using the unitary group method, ML 6 , cluster states and states of tensor operators of single and double electron interactions are classified.