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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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PZT铁电陶瓷的氢致半导体化
, PP. 1004-1008
Keywords: PZT-5H铁电陶瓷,氢,氢致半导体化
Abstract:
研究了锆钛酸铅铁电陶瓷(PZT-5H)的氢致半导体化现象.结果表明，随试样中氢浓度的升高，漏电电流和载流子浓度升高，电阻率下降，颜色由黄变黑.即氢能使PZT-5H铁电陶瓷从绝缘体变成n型半导体.高于Curie点充氢时，能抑制PZT-5H从立方的顺电相向四方的铁电相的转变，室温下铁电性消失.但室温电解充氢并不抑制相变.高温除氢后试样的性能及颜色均恢复.
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