Effect of doping on conductivity of barium titanate
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doping increases conductivity
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The electrical conductivity of barium titanate and 0.4% (mole) La doped barium titanate ceramics have been measured in the temperature range from 30 to 170°C with the help of a pA-meter at 10–90 V d.c. It is observed that doped ceramics give better positive temperature coefficient of resistivity (PTCR) effect than the
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