Experimental evidence for a spontaneous relaxor to ferroelectric phase transition in Pb(Mg1/3Nb2/3)O-3-10% Ti

被引:44
作者
Bidault, O
Licheron, M
Husson, E
Calvarin, G
Morell, A
机构
[1] CNRS,CRPHT,F-45071 ORLEANS 02,FRANCE
[2] ECOLE CENT PARIS,CHIM PHYS SOLIDE LAB,URA CNRS 453,F-92295 CHATENAY MALABRY,FRANCE
[3] THOMSON CSF,LCR,F-91404 ORSAY,FRANCE
关键词
ferroelectrics; order-disorder effects; phase transition;
D O I
10.1016/0038-1098(96)00106-8
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
From X-ray diffraction, polarization and dielectric measurements, it is shown that a 0.9 Pb(Mg1/3Nb2/3)O-3 - 0.1 PbTiO3 ceramic undergoes a zero-field rhombohedral phase transition. This material transforms spontaneously from a relaxer into a normal ferroelectric upon cooling. On such an observation, the influence of titanium on Pb(Mg1/3Nb2/3)O-3 based ceramics is discussed.
引用
收藏
页码:765 / 769
页数:5
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