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The effect of Cr concentration and preparation method on the microstructure and...

Leite,Daniela Russo; Las,Wanda Cecilia; Zaghete,Maria Aparecida; Cilense,Mario; Varela,Jose Arana

This paper reports a study of the influence of Cr concentration and preparation method in the electrical conductivity and microstructure of SnO2-based powders doped with Mn and Nb, prepared by an organic route (Pechini method) and a mixture of oxides. All the samples were compacted into discs and sintered at 1300 °C for 3h, resulting in ceramics with relative density varying between 81 and 99%. The powders were...

Date: 2003   |   Origin: Oasisbr
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