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- W815051404 abstract "PTC thermistor has been fabricated with as-received powder and its electrical properties were investigated. The resistivity of the PTC thermistor was measured at intervals from to . The electrical characteristics of the PTC thermistor are determined by the ac complex impedance analysis. The average grain size measured with a scanning electron microscope increased from to with increasing sintering temperature between and . The maximum resistivity jump was . The bulk resistivity of the thermistor sintered above decreased with increasing temperature of the measurement. The grain boundary resistance increased exponentially, the grain boundary capacitance decreased, and the built-in potential at the grain boundary increased with increasing temperature of the measurement. The charge densiy at the grain boundary increased with increasing temperature up to , which leveled off with further increase in measuring temperature." @default.
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- W815051404 date "1992-01-01" @default.
- W815051404 modified "2023-09-23" @default.
- W815051404 title "The Electrical Characteristics of the Grain Boundary in a $BaTiO_{3}$ PTC Thermistor" @default.
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