合成工艺对ZnVSb基压敏陶瓷性能的影响

功能材料与器件学报 , 2007, 13(1): 29-34. doi: 10.3969/j.issn.1007-4252.2007.01.006

合成工艺对ZnVSb基压敏陶瓷性能的影响

赵鸣 ^1, , 王卫民 ^2, , 高峰 ^3, , 张慧君 ^4, , 田长生 ^5,

1.西北工业大学材料科学与工程学院,西安,710072;内蒙古科技大学材料与冶金科学与工程学院,包头,014010

2.西北工业大学材料科学与工程学院,西安,710072

3.西北工业大学材料科学与工程学院,西安,710072

4.西北工业大学材料科学与工程学院,西安,710072

5.西北工业大学材料科学与工程学院,西安,710072

基金项目: 国家自然科学基金(60501015)

关键词： ZnVSb系压敏电阻 , 烧结 , 性能 , 合成工艺

Effect of fabrication processes on the properties of ZnVSb based varistor ceramics

研究了三种合成工艺对ZnVSb系压敏电阻烧结、显微结构和性能的影响.通过对陶瓷密度、显微结构及电学特性的检测、分析发现:化学计量比相同情况下,与V2O5+Sb2O3预热处理工艺相比,以SbVO4取代Sb2O3合成工艺及传统氧化物合成工艺逐步加剧了尖晶石相在材料中的形成和掺杂元素在晶界的偏聚;导致材料内部晶界势垒逐渐升高,材料的非线性系数及压敏电压逐渐上升.研究结果为ZVSb系压敏电阻材料的设计、制备提供了新的思路.

参考文献

[1]	Jyh-Kuang Tsai;Tai-Bor Wu .Non-ohmic characteristics of ZnO-V2O5 ceramics[J].Journal of Applied Physics,1994,76(08):4817-4822.
[2]	Hng H H;Kevin M Knowles .Microstructure and currentvoltage characteristics of multicomponent vanadium-doped zinc oxide varistor[J].Journal of The American Chemical Society,2000,83(10):2455-2462.
[3]	Heriberto Pfeier;Kevin M Knowles .Effects of vanadium and manganese concentrations on the composition,structure and electrical properties of ZnO-rich MnO2-V2O5-ZnO varistor[J].Journal of the European Ceramic Society,2004,24:1199-1203.
[4]	H.H. Hng;P.L. Chan .Microstructure and current-voltage characteristics of ZnO-V_2O_5-MnO_2 varistor system[J].Ceramics International,2004(7):1647-1653.
[5]	Fabice Perrot.An efficient way to characterize the performance of metal oxide varistors[A].IEEE,1999:22-27.
[6]	Kazuo Mukae;Kouichi Tsuda;Ikuo Nagasawa .Capacitance -vs-voltage characteristics of ZnO varistors[J].Journal of Applied Physics,1979,50(06):4475-4476.
[7]	S. Bernik;N. Daneu .Characteristics of SnO_2-doped ZnO-based varistor ceramics[J].Journal of the European Ceramic Society,2001(10/11):1879-1882.
[8]	Huey Hoon Hng;Lindawaty Halim .Grain growth in sintered ZnO-1 mol% V_2O_5 ceramics[J].Materials Letters,2003(8):1411-1416.
[9]	Masahiro ITO;Mashakaru Tanahashi Miho et al.The Sb2O3 addition effects on sintering ZnO and ZnO + Bi2O3[J].Japanese Journal of Applied Physics,1997,36(11A):11460-11463.
[10]	SHEN Chi-Yen;CHEN Ying-chun;Wu Long .The effect of antimony oxides on electrical properties and stability of ZnO varistor ceramics[J].Japanese Journal of Applied Physics,1993,32:1147-1153.
[11]	David R. Clarke .Varistor ceramics[J].Journal of the American Ceramic Society,1999(3):485-502.

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材料期刊网

合成工艺对ZnVSb基压敏陶瓷性能的影响

Effect of fabrication processes on the properties of ZnVSb based varistor ceramics

参考文献