Optical Spectra of Gadolinium(III) Ions in Melts of Alkali Metal Fluorides

被引:1
|
作者
Khokhryakov, A. A. [1 ]
Paivin, A. S. [1 ]
Samoilova, M. A. [1 ]
机构
[1] Russian Acad Sci, Inst Met, Ural Branch, Ekaterinburg 620016, Russia
关键词
electronic absorption spectra; coordination sphere; complex groups; BR; CL; NA; LA; CS; LN;
D O I
10.1134/S0036023619050103
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Optical spectra of MF-GdF3 (M = Li, Na, K, and Cs) and NaF-CsF-GdF3 molten systems are presented. On the basis of spectral data, it has been determined that stable complex groups GdF63- are formed in these melts. In the molten LiF-GdF3 system, the GdF4- group, which decomposes over time, is found along with the GdF63- complex group. It has been suggested that the number of cations in the second coordination sphere of the GdF63- groups decreases from 14 to 13 when passing from the melts of LiF, NaF to KF, CsF.
引用
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页码:798 / 800
页数:3
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