PTCR Characteristics in Barium Titanate Ceramics with Curie Points Between 60° and 360°C |
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| Authors: | Makoto Kuwabara&#; Kenji Kumamoto |
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| Affiliation: | Kyushu Institute of Technology, Tobata, Kitakyushu, 804 Japan |
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| Abstract: | PTCR characteristics in porous semiconducting barium titanate ceramics with Curie points from 60° to 360°C were investigated. The magnitude of the PTCR effect in these cerumics decreases self-onsistently with increasing Curie point within this temperature range. A PTCR efSect of more than 4 orders of magnitude was ahserved, for a Ba0.44Pb0.6TiO3 ceramic with a Curie point of 360°C . |
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