Preparation, characterization and dielectric properties of Ba3Ln3Ti5Nb5O30 (Ln = La, Nd) ceramics

被引:42
作者
Koshy, P [1 ]
Kumari, LP [1 ]
Sebastian, MT [1 ]
机构
[1] CSIR, Reg Res Lab, Trivandrum 695019, Kerala, India
关键词
D O I
10.1023/A:1008880532375
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Ba(3)Ln(3)Ti(5)Nb(5)O(30) (Ln = La, Nd) ceramics were prepared by the conventional solid-state ceramic route. The sintered samples were characterized by X-ray diffraction and scanning electron microscopy (SEM) methods. They have high dielectric constants, 141 and 203 at 13 MHz for La-based and Nd-based ceramics, respectively. The loss factor of the ceramics increases with frequency. (C) 1998 Chapman & Hall.
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页码:43 / 45
页数:3
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