Phase formation in the Ag3VO4-ScVO4 quasi-binary system

被引：1
|
作者：
Solov'ev, O. I. [1 ]
Rusakov, D. A. [2 ]
Filaretov, A. A. [3 ]
Komissarova, L. N. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Mat Sci, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Fac Chem, Moscow 119991, Russia
[3] Russian Acad Sci, Shubnikov Inst Crystallog, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2013年 / 58卷 / 02期
关键词：
Differential Thermal Analysis; Scandium; Vana Dium Oxide; Calcium Oxalate Dihydrate; Differential Thermal Analysis Peak;
D O I：
10.1134/S0036023613020253
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Subsolidus phase formation in the Ag3VO4-ScVO4 quasi-binary system was studied using X-ray powder diffraction and DTA in air under atmospheric pressure over the entire range of component concentrations in 5 mol % steps between 20 and 800A degrees C. Two compounds were found to form: Ag3Sc(VO4)(2) and Ag3Sc2(VO4)(3), both melting incongruently at 750 +/- 5 and 960 +/- 5A degrees C, respectively. A T-x diagram of the Ag3VO4-ScVO4 quasi-binary system was constructed. A eutectic (T (m) = 450 +/- 5A degrees C) is between the compounds Ag3VO4 and Ag3Sc(VO4)(2); Ag3VO4 concentration is similar to 5 mol %.
引用
收藏
页码：209 / 212
页数：4
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