Title of article
Influence of La2O3, Pr2O3 and CeO2 on the nonlinear properties of SnO2 multicomponent varistors
Author/Authors
M.M. Oliveira، نويسنده , , P.R. Bueno، نويسنده , , E. Longo، نويسنده , , J.A. Varela، نويسنده ,
Issue Information
ماهنامه با شماره پیاپی سال 2002
Pages
4
From page
150
To page
153
Abstract
The influence of La2O3, Pr2O3 and CeO2 on a new class of polycrystalline ceramics with nonlinear properties based on SnO2, was investigated. La2O3 and Pr2O3 were found to precipitate at the grain boundary region, causing a considerable increase in the nonlinear behavior. It was found that CeO2 forms a solid solution in the bulk but, unlike La2O3 and Pr2O3, it does not increase the nonlinear behavior. A higher nonlinear coefficient of ∼80 was obtained for La2O3-doped SnO2-based systems.
Keywords
Tin oxide , Nonlinear properties , Varistors
Journal title
Materials Chemistry and Physics
Serial Year
2002
Journal title
Materials Chemistry and Physics
Record number
1060789
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