Электронная структура ванадийсодержащих апатитоподобных соединений кальция, изоморфно модифицированных щелочными и редкоземельными металлами

Abstract

The influence of substitution of Ca2+ ions in the lattice of canadacheapest (2Me2+ = Ln3+ + A+; Ln = La, Nd, Sm, Gd, Ho; A = Li, Na, K, Rb, Cs) of rare earth and alkali metals on the formation of the electronic structure of crystals. Found that the modification of rare earth metals, the substitution of calcium occurs preferably in Ca(2)-position of the structure of Apatite and, when isomorphic modification of the alkaline elements, the substitution occurs in both crystallographic positions. Discusses the involvement of valence and subvalent atomic shells in the formation of chemical bonds, and analyzes data on the participation of 4f electrons of rare earth elements in the formation of the structure of x-ray spectra and chemical bonds with the atoms of the environment.