MICROWAVE DIELECTRIC-PROPERTIES OF THE BA-6-3X,(SM-1-Y,R(Y))(8+2X)TI18O54 (R=ND AND LA) SOLID-SOLUTIONS WITH ZERO-TEMPERATURE COEFFICIENT OF THE RESONANT-FREQUENCY

被引：52
|
作者：
OHSATO, H [1 ]
KATO, H [1 ]
MIZUTA, M [1 ]
NISHIGAKI, S [1 ]
OKUDA, T [1 ]
机构：
[1] DAIKEN CHEM CO LTD,JOTO KU,OSAKA 573,JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1995年 / 34卷 / 9B期
关键词：
MICROWAVE DIELECTRIC RESONATOR; TEMPERATURE COEFFICIENTS TAU(F); CERAMICS; BA-6-3X(SM-1-Y; R(Y))(8+2X)TI18O54 (R=ND AND LA) SOLID SOLUTIONS; 3BAO(2)CENTER-DOT-2SM(2)O(3)CENTER-DOT-9TIO(2); BAO-CENTER-DOT-SM2O3-CENTER-DOT-4TIO(2);
D O I：
10.1143/JJAP.34.5413
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ba-6-3x(Sm-1-y,R(y))(8+2x)Ti18O54 (R = Nd and La; x 0.6, 0.0 less than or equal to y less than or equal to 1.0) solid solutions in which Nd or La ions are substituted for Sm ions were studied from the point of microwave dielectric materials. In both Sm-Nd and Sm-La series, formation of solid solutions was found, which was deduced from linear change of the lattice parameters. We found high-quality resonator materials in the both series which show high epsilon(r) 84, Q . f products of 9000 GHz, and temperature coefficient of resonance frequency tau(f) 0 ppm/degrees C. The compositions of those materials in the Sm-Nd and the Sm-La series were determined to be y = 0.2 and 0.1, respectively. A relationship between dielectric constant and volume of octahedron is also stated.
引用
收藏
页码：5413 / 5417
页数：5
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