基于传统电子陶瓷合成工艺,采用二次合成法在950℃合成了组织均匀、瓷体相对密度＞98%、非线性系数＞50的ZnVSb基多组分压敏电阻陶瓷材料.Sb以V2O5/Sb2O3预合成粉的形式进行添加,避免了由于Sb2O3挥发造成的对ZnO晶粒生长的阻碍,促进了陶瓷的低温烧结.随着预合成粉含量的增加,Sb3+离子对Zn2+离子的取代量增加,材料内部VZn等受主型缺陷的增加,使晶界势垒升高,使材料获得优异电学非线性特性.
参考文献
| [1] | Tapan K Gupta .[J].Journal of the American Ceramic Society,1990,73(07):1817. |
| [2] | Jyh-Kuang Tsai;Tai-Bor Wu .[J].Journal of Applied Physics,1994,76(08):4817. |
| [3] | Hng H.H.;Knowles K.M. .Microstructure and Current-Voltage Characteristics of Multicomponent Vanadium-Doped Zinc Oxide Varistors[J].Journal of the American Ceramic Society,2000(10):2455-2462. |
| [4] | Heriberto Pfeier;Kevin M Knowles.[J].Journal of the European Ceramic Society,2004(24):1199. |
| [5] | Hng H H;Chan P L.[J].Ceramics International,2004(30):1647. |
| [6] | Mendelson M I .[J].Journal of the American Society,1969,52:443. |
| [7] | Kazuo Mukae;Kouichi Tsuda;Ikuo Nagasawa .[J].Journal of Applied Physics,1979,50(06):4475. |
| [8] | Kim J;Kimura T;Yamaguchi T .[J].Journal of Materials Science,1989,24(01):213. |
| [9] | Tetsuya Senda;Richard C Brad .[J].American Ceramic Society Bulletin,1991,74(06):1296. |
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