Growth of single crystals and optimization of anionic transport in La1-xNdxF3 solid solutions with tysonite-type structure by isovalent substitutions

被引：0
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作者：
N. I. Sorokin
E. A. Krivandina
Z. I. Zhmurova
O. I. Lyamina
B. P. Sobolev
机构：
[1] Russian Academy of Sciences,Shubnikov Institute of Crystallography
[2] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
来源：
Crystallography Reports | 2000年 / 45卷
关键词：
Spectroscopy; Atmosphere; Graphite; Solid Solution; Ionic Conductivity;
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摘要：
The study of the effect of isomorphous isovalent substitution on the fluoride-ion conductivity in La1-xNdxF3 solid solutions was aimed at optimizing the anionic transport in solid electrolytes with the tysonite-type (LaF3) structure. A series of La1-xNdxF3 single crystals with 0.1 ≤ x ≤ 0.9 was grown for the first time by the Bridgman-Stockbarger method in the fluorinating atmosphere. The ionic conductivity was measured at frequencies ranging from 5 to 500 kHz by the method of impedance spectroscopy (with the use of graphite contacts). The conductivity is maximal at the composition La0.37Nd0.63F3.
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页码：695 / 697
页数：2
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