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author:

黎晓明 (黎晓明.) [1] | 郑兴华 (郑兴华.) [2] | 梁炳亮 (梁炳亮.) [3] | 汤德平 (汤德平.) [4] | 张肖峰 (张肖峰.) [5]

Indexed by:

PKU CSCD

Abstract:

采用固相法制备了CaLa4Ti4O15系微波介质陶瓷,研究了不同预烧温度对CaLa4Ti4O15陶瓷烧结特性和微波介电性能的影响。在1 200℃预烧CaLa4Ti4O15粉末,除CaLa4Ti4O15主相外,还存在部分CaTiO3,La2Ti2O7和La2TiO5混合相。在1 300℃和1 400℃预烧后,获得了六方类钙钛矿CaLa4Ti4O15单相。CaLa4Ti4O15粉末预烧后可烧结成高致密陶瓷(相对密度约97%),同时具有高机械品质因数与谐振频率的乘积(Q×f)值和近零谐振频率温度系数(τf)。1 550℃烧结的CaLa4Ti4O15陶瓷具有优异的微波介电性能:相对介电常数εr=45....

Keyword:

六方类钙钛矿 微波介电性能 微波介质陶瓷 预烧温度

Community:

  • [ 1 ] 福州大学材料科学与工程学院

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Source :

硅酸盐学报

Year: 2008

Issue: 12

Volume: 36

Page: 1695-1699

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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