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Journal of Ultrafine Grained and Nanostructured Materials
The pellet-type SnO2 sensor was synthesized by the solid state method and the effects of additives such as nano ZnO (1-12 mol %) and nano In2O3 (1-10 mol %) on the CO gas sensitivity of sensor were investigated. The optimum sintering temperature was chosen 800°C because of the porosity content of the samples. The phase analysis and microstructure of the samples were studied by x-ray diffraction and scanning electron microscopy, respectively. Results show that the electrical resistivityfatcat:u4nhltljn5fflfnfo6uzrh5xeq