Effect of doping on the magnitude of the varistor effect in a posistor material
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:7225015
Posistor ceramics, particularly doped solid solutions based on barium titanate, are characterized by a significant dependence of the resistivity on the electric field intensity in the paraelectric temperature range. This is manifested in the varistor effect. In this work the authors study the effect of doping of the materials on the nature of the microstructure and the magnitude of the varistor effect in semiconducting solid solutions (Ba, Y) TiO/sub 3/. The synthesis was performed in air at 157OK in the course of 1 h. With a correct choice of the starting composition and conditions of synthesis of a posistor ceramic the varistor effect is shown to be reduced substantially and a material suitable for high loads can be prepared.
- OSTI ID:
- 7225015
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 22:3; ISSN INOMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM
BARIUM COMPOUNDS
BARIUM OXIDES
BORON
CHALCOGENIDES
CRYSTAL DOPING
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EQUIPMENT
GALLIUM
GERMANIUM
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RESISTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR RESISTORS
SEMIMETALS
SILICON
TEMPERATURE DEPENDENCE
THERMISTORS
TIN
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM
BARIUM COMPOUNDS
BARIUM OXIDES
BORON
CHALCOGENIDES
CRYSTAL DOPING
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELEMENTS
EQUIPMENT
GALLIUM
GERMANIUM
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RESISTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR RESISTORS
SEMIMETALS
SILICON
TEMPERATURE DEPENDENCE
THERMISTORS
TIN
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES