Phase Equilibria in the SrS—In2S3 System

被引：0
|
作者：
A. V. Kertman
机构：
[1] Tyumen State University,
来源：
Russian Journal of Inorganic Chemistry | 2019年 / 64卷
关键词：
sulfides AIn; S; (A is alkaline-earth metal); phase diagram; eutectic; solid solution;
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摘要：
It was determined that the SrS—In2S3 system is of the eutectic type with the incongruently melting compound SrIn2S4 and limited regions of solid solutions based on polymorphic modifications of In2S3. The compound SrIn2S4 crystallizes in the orthorhombic system (space group Fddd) with the unit cell parameters a = 2.090 nm, b = 2.113 nm, and c = 1.302 nm. The incongruent melting point of SrIn2S4 is 1220 K, and its microhardness is H = 2650 MPa. The composition and melting point of the eutectic are 73 mol % In2S3 and 1170 K, respectively. The solubility of SrS in α-In2S3 at 1070 K reaches 6 mol % SrS.
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页码：130 / 134
页数：4
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