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,1320 北京科技大学学报 第32卷 图91100C烧结复合稀土掺杂压敏陶瓷的SM像.(a)MY0(b)MY1:(c)MY2(d)MY3(e)MY4 Fig9 SEM inages ofm ixed rare earth doped varistor cenm ics sinterd at 1100C:(a)MYO:(b)MYl:(c)MY2:(d)MY3 (e)MY4 参考文献 SheO3.J Eur Ceram Soe 2004.24(6):1195 [1]Bueno P R.Varl JA.Longo E SnO2:ZnO and related poly- [9]Nahm C W,Shin B C Effect of sintering tine on electrical prop- crystallne canpound sem iconductor An overview and review on erties and stability against DC accelmated aging of Y2Os doped the voltage dependent resistance non ohmn ic)featm J Eur Ce ZnOsOu based varistor cerm ics Ceram Int 2004.30(1):9 amSa%200828(3):505 [10]He JL Hu J Ln Y H.Zno varistors w ith high voltage gmadient [2]Gheno S M.K in inamniR H G A.MorelliM R.et al Ekctric and low leakage current by doping mare-earth oxie SciChna Ser fore micmscopy investigations of barrier fomations n Znobased E200851(6).693 varistors J Eur Cemam Soe 2010 30(2):549 [11]Yan Q Chen JZ Tu M J Effects of additive Nd2Os on varistor [3]Cai JN.Lin Y H.LiM.etal 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