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Polyelement solid solutions of rare earth compounds
Solid State Sciences ( IF 3.4 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.solidstatesciences.2020.106489
V.N. Gurin

Abstract It is reported that two compounds containing several rare earth elements (RE) simultaneously was obtained recently. It is proposed to call them polyelement solid solutions - (PSS). Single crystals of RE hexaborides and RE digallides PSS were obtained, some of their characteristics and features are given. These PSS were obtained by mass crystallization from melts - solutions in Al (hexaborides) and Ga (digallides). PSS hexaborides exhibit a “densification” of their crystal structure when RE atoms are introduced into the base LaB6 crystal lattice. The incorporation is facilitated by the presence of a homogeneity region in RE hexaborides and RE digallides. The stepwise chemical analysis of the recently obtained 6-element PSS of lanthanum hexaborides and digallides shows a high uniformity of the RE distribution along the sample. The complex process of the formation of PSS of hexaborides RE and digallides of RE is analyzed and the possibility of obtaining different groups of PSS is discussed.

中文翻译:

稀土化合物的多元素固溶体

摘要 据报道,最近获得了两种同时含有多种稀土元素(RE)的化合物。建议将它们称为多元素固溶体 - (PSS)。获得了稀土六硼化物和稀土双镓化物 PSS 的单晶,并给出了它们的一些特性和特征。这些 PSS 是通过从熔体中大量结晶获得的 - 在 Al(六硼化物)和 Ga(二镓化物)中的溶液。当稀土原子被引入到基本的 LaB6 晶格中时,PSS 六硼化物表现出其晶体结构的“致密化”。稀土六硼化物和稀土二镓化物中存在均质区域促进了掺入。最近获得的六硼化镧和二镓化物的 6 元素 PSS 的逐步化学分析表明,沿样品的 RE 分布高度均匀。
更新日期:2020-12-01
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