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铁电陶瓷与铁氧体叠层低温共烧行为的研究 被引量:1

Low Temperature Cofiring Properties of Ferroelectric/Ferrite Multilayer Composites
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摘要 将Pb(Ni1/3Nb2/3)O3基铁电陶瓷与NiZnCu铁氧体叠层低温共烧,研究了两种材料的共烧兼容特性,结果表明,两种材料之间不会发生化学反应产生新的物相,二者具有良好的化学相容性;两种材料在烧结收缩致密化过程中存在差异,由此导致叠层共烧体产生翘曲和开裂缺陷;对叠层共烧体微观组织结构分析表明,在叠层共烧体中靠近界面处铁电材料晶粒尺寸大于远离界面处晶粒尺寸,其原因在于共烧过程中Fe3+从铁氧体材料一侧扩散至铁电材料一侧并固溶于钙钛矿相晶格中所致。 The multilayer composites were prepared by low temperature cofiring Pb(Ni1/3Nb2/3)O3-based ferroelectrics and NiCuZn ferrite. Their interaction, cofiring properties and interface microstructure were investigated. The results show that no chemical reaction between the ferroelectrics and ferrite materials existed. The camber and crack because of mismatch shrinkage of the ferroelectrics and ferrite are observed in the composite. The grains of ferroelectrics adjacent to the interface are larger that those far from the interface, which should attribute to the Fe3+ diffusing from the ferrite to ferroelectrics and solutes into the perovskite lattice.
出处 《电子元件与材料》 CAS CSCD 北大核心 2004年第8期7-10,共4页 Electronic Components And Materials
基金 航空科学基金(02G53044) 中国博士后科研基金资助项目
关键词 无机陶瓷材料 铁电陶瓷 铁氧体 低温共烧 界面 inorganic ceramic materials ferroelectric ceramics ferrite low temperature cofiring interface
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参考文献10

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