| 施受主杂质La,Mn共掺BaTiO3陶瓷PTC特性的研究 |
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| 引用本文： | 赵九蓬,张洪喜.施受主杂质La,Mn共掺BaTiO3陶瓷PTC特性的研究[J].功能材料,1999,30(2):170-171. |
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| 作者姓名： | 赵九蓬 张洪喜 |
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| 作者单位： | 哈尔滨工业大学 |
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| 摘 要： | 采用溶胶－凝胶法制备施主杂质Ｌａ和受主杂质Ｍｎ均相共掺ＢａＴｉＯ３半导体陶瓷。掺杂过程中以Ｌａ、Ｍｎ的硝酸盐水溶液代替醇盐实现相掺杂，改善组分均匀性。讨论了受主杂质Ｍｎ的浓度与陶瓷ＰＴＣ性能的关系，并结合ＸＰＳ测量结果，对其影响ＰＴＣ效应的生观机制进行探讨。
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| 关 键 词： | 陶瓷 PTC效应 电阻率 钛酸钡 掺杂 |
PTC Characteristic of BaTiO3 Ceramics Doped with Donor La and Acceptor Mn |
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| ZHAO Jiupeng,ZHANG Hongxi,HAN Jiecai Harbin Institute of Technology #,Harbin,China.PTC Characteristic of BaTiO3 Ceramics Doped with Donor La and Acceptor Mn[J].Journal of Functional Materials,1999,30(2):170-171. |
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| Authors: | ZHAO Jiupeng ZHANG Hongxi HAN Jiecai Harbin Institute of Technology # Harbin China |
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| Affiliation: | ZHAO Jiupeng,ZHANG Hongxi,HAN Jiecai Harbin Institute of Technology 1241#,Harbin,150001,China |
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| Abstract: | BaTiO3 semiconductor ceramics doped with donor La and acceptor Mn are synthesized through solgel method.In the doping process,nitrate can be used to substitute for conventional alkoxides so as to realize homogenous doping and improve the components homogeneity of BaTiO3 ceramics.The relationship between the concentration of donor Mn and PTC characteristic,microcosmic mechanism of PTC characteristic are discussed,together with XPS (Xray photoelectron spectroscopy) measurement. |
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| Keywords: | BaTiO3 ceramics PTC effect resistivity |
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