High-temperature solid–vapor and liquid–vapor transitions in binary and ternary chalcogenides La 2S 3, MoS 2, Mo 2S 3 and LiInSe 2

High heating rate thermo-microscopic analysis, analytical atomic-emission technique with inductively coupled plasma and differential dissolution method have been used to investigate solid–liquid and solid–liquid–vapor transitions of refractory chalcogenides La 2S 3, MoS 2, Mo 2S 3 and LiInSe 2. The...

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Bibliographic Details
Published inJournal of alloys and compounds Vol. 452; no. 1; pp. 89 - 93
Main Authors Vasilyeva, I.G., Nikolaev, R.E.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2008
Subjects
High-temperature alloys
Phase transitions
Thermal analysis
High-temperature alloys
Thermal analysis
Phase transitions
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Summary:High heating rate thermo-microscopic analysis, analytical atomic-emission technique with inductively coupled plasma and differential dissolution method have been used to investigate solid–liquid and solid–liquid–vapor transitions of refractory chalcogenides La 2S 3, MoS 2, Mo 2S 3 and LiInSe 2. The techniques were effective in determining the total pressure and vapor phase composition over the compounds in large temperature and pressure ranges. As a result, for compounds that evaporate incongruently, the melting points corresponding to their strict stoichiometry, the decomposition pressure–temperature relations, and other new results of the T– x phase diagrams for the La 3S 4–La 2S 3, Mo–MoS 2, and Li 2Se–LiInSe 2 systems were obtained.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2007.01.175