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Synthesis of SnO2 by chemical routes and its use in varistors production
(Elsevier B.V., 2007-01-01)
Tin oxide, SnO2. is a very used compound in industry and one of its uses is as varistor. For the current requirements of the technology is necessary a strict control of the chemical purity and the particle size of the raw ...
Thermal conductivity features of ZnO-based varistors using the laser-pulse method
(Elsevier B.V., 2004-04-25)
The thermal conductivity of several commercial ZnO-based varistor systems was determined based on the laser-pulse method, a technique that proved extremely useful and easy to apply. Using this technique, the thermal ...
Dependence of the nonlinear electrical behavior of SnO2-based varistors on Cr2O3 addition
(Elsevier B.V., 2007-01-01)
Tin dioxide varistors doped with Coo, ZnO, Ta2O5 and Cr2O3 were prepared by the mixed oxide method. Temperature dependent impedance spectroscopy revealed two different activation energies, one at low frequencies and the ...
Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
(Elsevier B.V., 2003-05-26)
ZnO has the characteristic of presenting an intermediate value for the effective 3 eV barrier at room temperature. ZnO ceramics are applied in high-voltage systems or circuits. Attempts were made to reduce the number of ...
Nonlinear properties and stability of SnO2 varistors prepared by evaporation and decomposition of suspensions
(Elsevier B.V., 2005-01-01)
SnO2 varistors doped with CoO, Cr2O3 and Nb2O5 were prepared by evaporation and decomposition of suspensions. The composition of the varistors was optimized to improve electrical properties, such as nonlinearity, leakage ...
Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
(Elsevier B.V., 2003-05-26)
ZnO has the characteristic of presenting an intermediate value for the effective 3 eV barrier at room temperature. ZnO ceramics are applied in high-voltage systems or circuits. Attempts were made to reduce the number of ...
Synthesis of SnO2 by chemical routes and its use in varistors production
(Elsevier B.V., 2007-01-01)
Tin oxide, SnO2. is a very used compound in industry and one of its uses is as varistor. For the current requirements of the technology is necessary a strict control of the chemical purity and the particle size of the raw ...
Thermal conductivity features of ZnO-based varistors using the laser-pulse method
(Elsevier B.V., 2004-04-25)
The thermal conductivity of several commercial ZnO-based varistor systems was determined based on the laser-pulse method, a technique that proved extremely useful and easy to apply. Using this technique, the thermal ...
Métodos químicos para obtener varistores basados en SnO2
(2006-11-01)
Synthesis of SnO2 ceramic powders was made by coprecipitation method and polymeric precursor method (Pechini) to obtain Sn-Co-Nb-Ti-Al varistor systems. The particles of the obtained ceramic powder presented nanometric ...
Dependence of the nonlinear electrical behavior of SnO2-based varistors on Cr2O3 addition
(Elsevier B.V., 2007-01-01)
Tin dioxide varistors doped with Coo, ZnO, Ta2O5 and Cr2O3 were prepared by the mixed oxide method. Temperature dependent impedance spectroscopy revealed two different activation energies, one at low frequencies and the ...