LOW-TEMPERATURE-FIREABLE DIELECTRIC MATERIAL PB(FE2/3W1/3)O3-(PB,CA)(FE1/2NB1/2)O3 FOR MICROWAVE USE

被引：19
|
作者：
NAKANO, M
SUZUKI, K
MIURA, T
KOBAYASHI, M
机构：
[1] Materials Research Center, TDK Corporation, Narita, Chiba, 286, 570-2 Matsugashita, Minami-hatori
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 9B期
关键词：
MICROWAVE DIELECTRIC MATERIAL; SINTERING TEMPERATURE; SYNTHESIS; SINGLE PHASE; PB(FE2/3W1/3)O3; PB(FE1/2NB1/2)O3; DIELECTRIC CONSTANT; PRECURSOR; QF VALUE; TEMPERATURE COEFFICIENT;
D O I：
10.1143/JJAP.32.4314
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A ferroelectric Pb(Fe2/3W1/3)O3-Pb (Fe1/2Nb1/2)O3 (PFW-PFN) system has a low sintering temperature. A partial substitution of Ca for Pb in PFN shift the transition temperature sufficiently low, transforming this material into a paraelectric at room temperature. When paraelectric PFW-PCFN formed a single-phase (Pb, Ca)(W, Fe, Nb)O3 (PCWFN), this material was confirmed to have a high dielectric constant with temperature stability and low dissipation loss. There was a certain amount of difficulty associated with the synthesis of single-phased PCWFN. A process to overcome this difficulty is reported. Up to now, the sintering temperature of the best characterized material was 1000-degrees-C. This temperature is very low for the sintering of a glass-free dielectric material used as a microwave resonator.
引用
收藏
页码：4314 / 4318
页数：5
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