Synthesis and microwave dielectric properties of Zn1+xNb2O6+x

被引：7
|
作者：
Belous, A. G.
Ovchar, O. V.
Kramarenko, A. V.
Jancar, B.
Bezjak, J.
Suvorov, D.
机构：
[1] Natl Acad Sci Ukraine, Vernadsky Inst Gen & Inorgan Chem, UA-03680 Kiev, Ukraine
[2] Jozef Stefan Inst, Ljubljana 1000, Slovenia
来源：
INORGANIC MATERIALS | 2007年 / 43卷 / 03期
关键词：
D O I：
10.1134/S0020168507030120
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the formation of zinc niobate, ZnNb2O6, with the columbite structure and the microstructure and microwave dielectric properties of Zn1+x Nb2O6+x ceramics. The results demonstrate that, in the range 0.005 <= x <= 0.03, the excess zinc reduces the porosity of the material and increases its microwave quality factor Q. For x >= 0.03, the Q of the ceramics decreases because of the formation of an additional, zinc-enriched phase. Sintering in an oxygen atmosphere is shown to improve the dielectric properties of stoichiometric ZnNb2O6.
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收藏
页码：277 / 280
页数：4
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