Phase equilibria in the Bi/sub 2/Se/sub 3/-Bi/sub 2/Te/sub 3/-Te-Se system
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:6092401
The authors studied and constructed the phase diagram of polythermal cuts passing from their ternary delta-solid solution corresponding to the formula Bi/sub 2/Te/sub 2.85/Se/sub 0.15/ to tellurium, a mixture of tellurium and selenium used in the ratio of Te:Se = 1:1, and selenium, by methods of physicochemical analysis for the first time. The parts of the radial cut of the Bi-Te-Se ternary system originating from the angle corresponding to bismuth, within the boundaries of 0-40 atom % Bi, are quasi-binary and of the eutectic type below the temperatures of the end of crystallization. Doping of solid solutions of the Bi/sub 2/Se/sub 3/-Bi/sub 2/Te/sub 3/ system with a chalcogen in a ratio different from the starting melt results in a change in not only the composition of the initially separated delta-solid solutions but also the compositions of the delta- and ..beta..-phases at the end of crystallization.
- Research Organization:
- A.A. Baikov Institute of Metallurgy (USSR)
- OSTI ID:
- 6092401
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 23:11; ISSN INOMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
BISMUTH COMPOUNDS
BISMUTH SELENIDES
BISMUTH TELLURIDES
CHALCOGENIDES
CRYSTAL DOPING
CRYSTALLIZATION
DIAGRAMS
DISPERSIONS
ELECTRICAL PROPERTIES
ELEMENTS
EQUILIBRIUM
EUTECTICS
METALLURGICAL EFFECTS
MIXTURES
PHASE DIAGRAMS
PHASE STUDIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SELENIDES
SELENIUM
SELENIUM COMPOUNDS
SEMIMETALS
SOLID SOLUTIONS
SOLUTIONS
TELLURIDES
TELLURIUM
TELLURIUM COMPOUNDS
THERMOELECTRIC PROPERTIES
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
BISMUTH COMPOUNDS
BISMUTH SELENIDES
BISMUTH TELLURIDES
CHALCOGENIDES
CRYSTAL DOPING
CRYSTALLIZATION
DIAGRAMS
DISPERSIONS
ELECTRICAL PROPERTIES
ELEMENTS
EQUILIBRIUM
EUTECTICS
METALLURGICAL EFFECTS
MIXTURES
PHASE DIAGRAMS
PHASE STUDIES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SELENIDES
SELENIUM
SELENIUM COMPOUNDS
SEMIMETALS
SOLID SOLUTIONS
SOLUTIONS
TELLURIDES
TELLURIUM
TELLURIUM COMPOUNDS
THERMOELECTRIC PROPERTIES