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掺杂Li_2CO_3低温烧结ZnO-TiO_2系介质陶瓷的研究
引用本文:喻佑华,杨俊瑞,王相惠,张岚,宗瑞.掺杂Li_2CO_3低温烧结ZnO-TiO_2系介质陶瓷的研究[J].电子元件与材料,2008,27(9).
作者姓名:喻佑华  杨俊瑞  王相惠  张岚  宗瑞
作者单位:景德镇陶瓷学院,江西,景德镇,333001
摘    要:用传统工艺合成了Li2CO3掺杂的ZnO-TiO2系微波介质陶瓷,系统研究了其烧结行为、显微结构和介电性能。结果表明:掺杂质量分数1%的Li2CO3可使ZnO-TiO2陶瓷的烧结温度从1100℃降到980℃;掺杂3%Li2CO3时,在950℃保温2h烧结,于6~8GHz测试试样的介电性能为:εr约为20,Q·f约为40000GHz,τf约为–14×10–6℃–1。

关 键 词:无机非金属材料  微波介质陶瓷  ZnO-TiO2系  Li2CO3掺杂  介电性能

Research on low temperature sintered ZnO-TiO_2 dielectric ceramics doped by Li_2CO_3
YU You-hua,YANG Jun-rui,WANG Xiang-hui,ZHANG Lan,ZONG Rui.Research on low temperature sintered ZnO-TiO_2 dielectric ceramics doped by Li_2CO_3[J].Electronic Components & Materials,2008,27(9).
Authors:YU You-hua  YANG Jun-rui  WANG Xiang-hui  ZHANG Lan  ZONG Rui
Affiliation:YU You-hua,YANG Jun-rui,WANG Xiang-hui,ZHANG Lan,ZONG Rui ( Jingdezhen Ceramic Institute,Jingdezhen 333001,Jiangxi Province,China )
Abstract:Li2CO3-doped ZnO-TiO2 system microwave dielectric ceramics were prepared by traditional processing. The systematic study results of sintering behavior, microstructure and dielectric properties show that sintering temperature of ZnO-TiO2 ceramic decrease from 1 100 ℃ to 980 ℃ with 1% (mass fraction) Li2CO3 addition; dielectric properties of samples with 3% Li2CO3 addition, sintered at 950 ℃ for 2 h, tested at the frequency of 6~8 GHz are: εr ≈20, Q·f ≈40 000 GHz, τf≈–14×10–6 ℃–1.
Keywords:non-metallic inorganic material  microwave dielectric ceramics  ZnO-TiO2 system  Li2CO3 doping  dielectric properties  
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