Electronic transport and mixed conductivity in perovskite type oxides
The goal of the investigation presented in this report is to study the inter-relationship between electrical conductivity, oxidation-reduction kinetics, defect structure, and composition of n- and p-type binary and ternary transition metal oxides. The experimental part of the investigation included specimen preparation, thermogravimetric measurements, X-ray diffraction, thermally stimulated current, DTA/TGA, optical absorption, transmission electron microscopy, electrical conductivity, and Seebeck measurements. The systems studied or being studied are LaMnO{sub 3}-LaCrO{sub 3}-LaCrO{sub 3}, (La,Ca)(Mn,Al)O{sub 3}, Y{sub 1-x}Ca{sub x}CrO{sub 3}, YMnO{sub 3}-CaMnO{sub 3}, and LaMnO{sub 3}-CaMnO{sub 3}.
- Research Organization:
- Missouri Univ., Rolla, MO (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-85ER45219
- OSTI ID:
- 5768898
- Report Number(s):
- DOE/ER/45219-6; ON: DE92011223
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CALCIUM OXIDES
ELECTRIC CONDUCTIVITY
CHROMIUM OXIDES
LANTHANUM OXIDES
MANGANESE OXIDES
YTTRIUM OXIDES
CHEMICAL REACTION KINETICS
CRYSTAL DEFECTS
PEROVSKITES
PROGRESS REPORT
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
CHROMIUM COMPOUNDS
CRYSTAL STRUCTURE
DOCUMENT TYPES
ELECTRICAL PROPERTIES
KINETICS
LANTHANUM COMPOUNDS
MANGANESE COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
REACTION KINETICS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
360207 - Ceramics
Cermets
& Refractories- Superconducting Properties- (1992-)
CALCIUM OXIDES
ELECTRIC CONDUCTIVITY
CHROMIUM OXIDES
LANTHANUM OXIDES
MANGANESE OXIDES
YTTRIUM OXIDES
CHEMICAL REACTION KINETICS
CRYSTAL DEFECTS
PEROVSKITES
PROGRESS REPORT
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
CHROMIUM COMPOUNDS
CRYSTAL STRUCTURE
DOCUMENT TYPES
ELECTRICAL PROPERTIES
KINETICS
LANTHANUM COMPOUNDS
MANGANESE COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
REACTION KINETICS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
360207 - Ceramics
Cermets
& Refractories- Superconducting Properties- (1992-)