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采用固相反应法制备了BiFeO_3掺杂的CaCu_3Ti_4O_(12)(CCTO)陶瓷,研究了BiFeO_3掺杂量对CCTO陶瓷的烧结性能、晶体结构和介电性能的影响.结果表明,BiFeO_3掺杂改善了CCTO陶瓷的烧结性能.随BiFeO_3掺杂量的增加,CCTO陶瓷的晶格常数和ε_r均先增大而后减小;而tanδ先几乎不变而后增大.当x(BiFeO_3)为0.5%, 1 040 ℃烧结的CCTO陶瓷样品在1 kHz时具有巨介电常数(ε_r = 14 559)和较低的介质损耗(tanδ = 0.12).
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电子元件与材料
ISSN: 1001-2028
CN: 51-1241/TN
Year: 2010
Issue: 3
Volume: 29
Page: 8-11
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 2