Authors:
I. Vasilyeva Siberian Branch of RAS Nikolaev Institute of Inorganic Chemistry 630090 Novosibirsk Russia

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R. Nikolaev Siberian Branch of RAS Nikolaev Institute of Inorganic Chemistry 630090 Novosibirsk Russia

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V. Malakhov Siberian Branch of RAS Boreskov Institute of Catalysis 630090 Novosibirsk Russia

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L. Isaenko Siberian Branch of RAS Institute of Mineralogy and Petrography 630090 Novosibirsk Russia

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Abstract  

Evaporation and compositional changes of the liquids above the melting point of LiInSe2 crystals have been characterized quantitatively by using special techniques of a rapid thermal analysis and differential dissolution. The occurrence of a liquid immiscible region in the Li2Se-rich side of the Li2Se-In2Se3 diagram and incongruent evaporation with the preferential evaporation of In2Se3 rising markedly above boiling point were determined from the peaks on the thermal curves and from precise control over the composition of the vapour and residual solid as a function of temperature. It was shown that both the processes could be the sources of nonstoichiometry and inhomogeneity of the LiInSe2 crystals.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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