Microemulsion mediated synthesis of zinc-oxides nanoparticles for varistor studies

This paper describes a microemulsion-mediated synthesis of zinc oxide nanoparticles for varistor studies and possible applications. These ultrafine polycrystalline ZnO nanoparticles have size ranging from 5--40 nm ESD. The microstructure, high density and electrical conductivity of sintered disks of...

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Bibliographic Details
Published in:Materials research bulletin 1993-12, Vol.28:12
Main Authors: Hingorani, S., Pillai, V., Kumar, P., Shah, D.O., Multani, M.S.
Format: Article
Language:English
Subjects:
360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies
360204 - Ceramics, Cermets, & Refractories- Physical Properties
400201 - Chemical & Physicochemical Properties
426000 - Engineering- Components, Electron Devices & Circuits- (1990-)
CHALCOGENIDES
CRYSTALS
DOPED MATERIALS
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ENGINEERING
GRAIN SIZE
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
MATERIALS
MATERIALS SCIENCE
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POLYCRYSTALS
RESISTORS
SIZE
SYNTHESIS
ZINC COMPOUNDS
ZINC OXIDES
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Summary:This paper describes a microemulsion-mediated synthesis of zinc oxide nanoparticles for varistor studies and possible applications. These ultrafine polycrystalline ZnO nanoparticles have size ranging from 5--40 nm ESD. The microstructure, high density and electrical conductivity of sintered disks of pure and doped ZnO nanoparticles resulting from clean interfaces of particles and scaled down size of grains are found to result in a higher critical electric field and a higher coefficient of nonlinearity ([alpha]) in the logE versus logJ curve. Significant developments will rely on further understanding of structure-property relationships.
ISSN:0025-5408
1873-4227
DOI:10.1016/0025-5408(93)90178-G