CAPACITOR MATERIALS WITH LOW SINTERING TEMPERATURE AND GOOD DIELECTRIC PROPERTIES.

被引:0
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作者
Tawfik, A. [1 ]
Abd El-Ati, M.I. [1 ]
机构
[1] Tanta Univ, Physics Dep, Tanta,, Egypt, Tanta Univ, Physics Dep, Tanta, Egypt
关键词
CERAMIC MATERIALS - Applications - DIELECTRIC PROPERTIES;
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摘要
The system 0. 7 Pb(Fe//1/////2Nb//1/////2)O//3-0. 3 Pb(Fe//2/////3W//1/////3)O//3 modified with aluminium (Al) and Pb(Zn//1/////3Nb//2/////3)O//3 is used in the manufacture of high-quality materials for ceramic capacitors. The sintering temperature is reduced to 820 by adding Al, and samples show a higher dielectric constant than those of the system doped with Pb(Zn//1/////3NB//2/////3). The results are explained in terms of the role of lattice defects and the effect of the relative size variations of ions in the modified crystal lattice.
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页码:1168 / 1170
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