Fluorite-Like Phases Based on Barium and Rare-Earth Fluorides

IF 1.2 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Structural Chemistry Pub Date : 2024-06-28 DOI:10.1134/S002247662405010X

P. P. Fedorov, S. V. Volkov, Y. A. Vaitieva, A. A. Aleksandrov, S. V. Kuznetsov, V. A. Konyushkin

引用次数: 0

Abstract

Optically transparent single-crystal blocks are prepared by the fusion of a barium fluoride charge with yttrium and erbium fluorides using sodium fluoride as a flux. The crystal structures were solved and composition of the following phases were determined: Na_0.75Ba_1.26Er_1.99F_9.24 (cubic crystal system, \(Fm\bar{3}m\) space group, a = 11.4192(4) Å), Na_0.25BaY_2.75F_10.5 (cubic crystal system, \(Fm\bar{3}m\) space group, a = 11.4350(19) Å), Na_0.05Ba_0.9Y_1.05F₅ (orthorhombic crystal system, Cmmm space group, a = 5.7205(5) Å, b = 17.2348(11) Å, c = 5.7648 (4) Å).

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基于钡和稀土氟化物的类萤石相

摘要以氟化钠为助熔剂，通过氟化钡电荷与氟化钇和氟化铒的熔融制备出光学透明单晶块。解决了晶体结构问题，并确定了以下相的组成：Na0.75Ba1.26Er1.99F9.24（立方晶系，\(Fm\bar{3}m\) 空间群，a = 11.4192(4) Å）、Na0.25BaY2.75F10.5（立方晶系，\(Fm\bar{3}m\) 空间群，a = 11.4350(19)埃），Na0.05Ba0.9Y1.05F5（正方晶系，Cmmm 空间群，a = 5.7205(5)埃，b = 17.2348(11)埃，c = 5.7648 (4)埃）。

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来源期刊

Journal of Structural Chemistry 化学-无机化学与核化学

CiteScore

1.60

自引率

12.50%

发文量

142

审稿时长

8.3 months

期刊介绍： Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.