Properties of iron-doped lanthanum chromite
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:6096962
This paper reports the effect of iron doping on the structural, electrical, and thermophysical properties of the most conductive rare-earth chromite, La/sub 0.8/Ca/sub 0.2/CrO/sub 3/. According to DTA, TG, and DTG studies, mixed phases of La/sub 0.8/Ca/sub 0.2/Cr/sub 1-x/Fe/sub x/O/sub 3/ (x = 0-1.0) with a perovskite structure begin to form above 1100 K. The cubic perovskite structure was found to be slightly deformed. Lattice parameters increased linearly with a rise in iron content. Doping of La/sub 0.8/Ca/sub 0.2/CrO/sub 3/ with iron markedly increased the former's conductivity at high temperatures and lowered its thermal expansion coefficient.
- Research Organization:
- V.I. Lenin Belorussian State Institute (USSR)
- OSTI ID:
- 6096962
- 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
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL ANALYSIS
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
COHERENT SCATTERING
CRYSTAL DOPING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DIFFERENTIAL THERMAL ANALYSIS
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON MOBILITY
ELEMENTS
EXPANSION
GRAVIMETRIC ANALYSIS
IRON
IRON COMPOUNDS
IRON OXIDES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LATTICE PARAMETERS
METALLURGICAL EFFECTS
METALS
MOBILITY
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PARTICLE MOBILITY
PHYSICAL PROPERTIES
QUANTITATIVE CHEMICAL ANALYSIS
RARE EARTH COMPOUNDS
SCATTERING
THERMAL ANALYSIS
THERMAL EXPANSION
THERMAL GRAVIMETRIC ANALYSIS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
X-RAY DIFFRACTION
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL ANALYSIS
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
COHERENT SCATTERING
CRYSTAL DOPING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DIFFERENTIAL THERMAL ANALYSIS
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELECTRON MOBILITY
ELEMENTS
EXPANSION
GRAVIMETRIC ANALYSIS
IRON
IRON COMPOUNDS
IRON OXIDES
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LATTICE PARAMETERS
METALLURGICAL EFFECTS
METALS
MOBILITY
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PARTICLE MOBILITY
PHYSICAL PROPERTIES
QUANTITATIVE CHEMICAL ANALYSIS
RARE EARTH COMPOUNDS
SCATTERING
THERMAL ANALYSIS
THERMAL EXPANSION
THERMAL GRAVIMETRIC ANALYSIS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
X-RAY DIFFRACTION