MICROWAVE DIELECTRIC-PROPERTIES FOR BA(MG1/3TA2/3)O-3-A(MG1/2W1/2)O-3 (A=BA, SR, AND CA) CERAMICS

被引：36

作者：

FURUYA, M

OCHI, A

机构：

[1] Material Development Center, NEC Corporation, Miyamae-ku, Kawasaki, Kanagawa, 216

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 9B期

关键词：

CERAMICS; DIELECTRIC; RESONATOR; MICROWAVE; PEROVSKITE; HIGH Q; BA(MG1/3TA2/3)O-3; BA(MG1/2W1/2)O-3; SR(MG1/2W1/2)O-3; CA(MG1/2W1/2)O-3;

D O I：

10.1143/JJAP.33.5482

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

For a high-Q dielectric resonator at microwave frequencies, complex perovskite-structured Ba(Mg1/3Ta2/3)O-3-A(Mg1/2W1/2)O-3 (A=Ba, Sr, and Ca) ceramics have been developed. A(Mg1/2W1/2)O-3 effects on the crystal structure. microstructure, and microwave characteristic of Ba(Mg1/3Ta2/3)O-3 (BMT) were investigated, Ba(Mg1/2W1/2)O-3 (BMW) decreased the temperature coefficient of resonant frequency (TCF) for BMT. Sr(Mg1/2W1/2)O-3 (SMW) and Ca(Mg1/2W1/2)O-3 (CMW) increased it. Zero TCF was obtained for the BMT/ BMW=95/5 composition. With 0.5 mol% BMW content, dielectric loss quality, Q(d), reached a maximum (40000 at 10 GHz).

引用

页码：5482 / 5487

页数：6

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