NEW PHENOMENON IN BARIUM-LEAD TITANATE CERAMICS WITH POSITIVE TEMPERATURE COEFFICIENTS OF RESISTIVITY.

被引：0
|
作者：
Kuwabara, M. [1 ]
Nagata, H. [1 ]
机构：
[1] Kyushu Inst of Technology, Kitakyushu, Jpn, Kyushu Inst of Technology, Kitakyushu, Jpn
来源：
Journal of the American Ceramic Society | 1986年 / 69卷 / 08期
关键词：
BARIUM TITANATE - LEAD COMPOUNDS - SEMICONDUCTOR MATERIALS;
D O I：
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中图分类号：
学科分类号：
摘要：
A curious resistivity anomaly in high-Curie-point barium-lead titanate materials with positive temperature coefficients of resistivity (PTCR) has been observed just below the Curie point (approx. equals 420 degree C), besides the normal PTCR anomaly. The additional resistivity anomaly was observed in the resistivity-temperature characteristics, especially on cooling, and showed a significant dependence on the cooling rate.
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