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Properties of solid solutions based on GeTe in the GeTe-ScTe and GeTe-ScTe-PbTe systems

Journal Article · · Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:6050071
; ; ;
The authors have examined the effects of scandium replacing germanium on the structure, electrophysical parameters, and phase transitions in solid solutions based on germanium telluride in the GeTe-ScTe and GeTe-ScTe-PbTe systems. X-ray and dilatometric measurements on solid solutions based on GeTe in the GeTe-ScTe and GeTe-ScTe-PbTe systems show that ScTe dissolving in GeTe substantially reduces the rhombohedral distortion in the ..cap alpha.. phase and reduces the ..cap alpha.. ..-->.. ..beta.. transition temperature. Scandium monotelluride has a donor action in germanium telluride and reduces the hole concentration but increases the thermo-emf.
Research Organization:
A.A. Baikov Metallurgy Institute (USSR)
OSTI ID:
6050071
Journal Information:
Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 24:1; 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
ANNEALING
CARRIER DENSITY
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL DOPING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTAL-PHASE TRANSFORMATIONS
DIFFRACTION
DILATOMETRY
DISPERSIONS
ELECTRICAL PROPERTIES
ELECTROMOTIVE FORCE
ELECTRON DENSITY
ELEMENTS
GERMANIUM COMPOUNDS
GERMANIUM TELLURIDES
HEAT TREATMENTS
LATTICE PARAMETERS
LEAD COMPOUNDS
LEAD TELLURIDES
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
MIXTURES
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SCANDIUM
SCANDIUM COMPOUNDS
SCATTERING
SOLID SOLUTIONS
SOLUTIONS
TELLURIDES
TELLURIUM COMPOUNDS
THERMAL ANALYSIS
THERMODYNAMIC PROPERTIES
THERMOELECTRIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION