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La0.67Ca0.33MnO3 samples with high temperature coefficient of resistance have been synthesized by sol-gel method using methyl alcohol as solvent. Nitrates of La, Ca and Mn were heated with a controlled amount of methyl alcohol to get a dry powder which on suitable heat treatment gave high grade La0.67Ca0.33MnO3 powder/pellets. The samples were sintered in the temperature varied from 1000 °C to 1550...
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