Phase Equilibria Involving Solid Solutions in the Li-Eu-O System

被引：3
|
作者：
Buzanov, G. A. [1 ]
Nipan, G. D. [1 ]
机构：
[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2023年 / 68卷 / 12期
基金：
俄罗斯科学基金会;
关键词：
phase diagrams; europium monoxide; multicomponent systems; spintronics; lithium hydride; solid-phase synthesis; MAGNETIC-PROPERTIES; SEMICONDUCTOR EUO; FILMS;
D O I：
10.1134/S0036023623602337
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Phase equilibria involving solid solutions in the Li-Eu-O system in an oxidizing, inert, and reducing atmospheres during annealing mixtures of various precursors subjected to preliminary mechanochemical activation at temperatures of 400-1100 degrees C and partial pressures P-O2 similar to 21 and 0.01 kPa and P-H2 similar to 5 kPa have been studied by X-ray powder diffraction and thermogravimetry. The solubility of lithium in EuO has been first estimated, which is no less than 50-60%. For Eu2O3 and, it is 30% of the total amount of cations. Along with LiEuO2, the formation of crystalline mixed-valent (EuII + EuIII) phases LiEu3O4 and Li2Eu5O8 has been confirmed. The thermal behavior of solid solutions Eu1 - xLixO1 - d based on europium monoxide and Li1 + yEu(3)O(4) -. in air has been studied. The concentration phase diagram of the Li-Eu-O system has been constructed.
引用
收藏
页码：1834 / 1840
页数：7
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