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
相关论文
共 9 条
[1]  
CAVA RJ, 1996, J MATER RES, V11, P1429
[2]  
FAN ME, 1990, J MATER RES, V5, P1752
[3]  
HERBERT TM, 1985, CERAMIC DIELECTRICS
[4]   BA(ZN1/3TA2/3)O-3 CERAMICS WITH LOW DIELECTRIC LOSS AT MICROWAVE-FREQUENCIES [J].
KAWASHIMA, S ;
NISHIDA, M ;
UEDA, I ;
OUCHI, H .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1983, 66 (06) :421-423
[5]   PHASE-STRUCTURE AND DIELECTRIC-PROPERTIES OF BI2O3-ZNO-NB2O5-BASED DIELECTRIC CERAMICS [J].
LIU, DH ;
LIU, Y ;
HUANG, SQ ;
YAO, X .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1993, 76 (08) :2129-2132
[6]  
PALADINO AE, 1971, J AM CERAM SOC, V64, P168
[7]  
SREEMOOLANADHAN H, 1995, BRIT CERAM T, V94, P157
[8]  
SREEMOOLANATHAN H, 1995, MAT RES B, V309, P653
[9]  
WERSING W, 1991, ELECT CERAMICS, P61