THE STUDY FOR FERROMAGNETIC PROPERTIES AND MICROSTRUCTURE OF Bi0.9Ho0.1FeO3

被引：0
|
作者：
Xiao, Huan [1 ]
Yang, Ying [1 ]
Gao, Feng [1 ]
Li, Qian [1 ]
Meng, Han-qi [1 ]
He, Wei [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Precis Driving Lab, Nanjing 210016, Peoples R China
来源：
PROCEEDINGS OF THE 2008 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS | 2008年
关键词：
Ferromagnetism; Ho; BiFeO(3);
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Bi(0.9)Ho(0.1)FeO(3) ceramic is prepared by sol-gel method. We investigated the effect of Ho element doping in the BiFeO(3). We studied the microstructure, morphology and ferromagnetism for Bi(0.9)Ho(0.1)FeO(3) ceramic by XRD, SEM and SQUID. It shows that Bi(0.9)Ho(0.1)FeO(3) ceramic exhibits single phase of perovskite structure. The c/a rate is elevated from 1 to 1.009 with respect to BiFeO(3). The grains of Bi(0.9)Ho(0.1)FeO(3) ceramic shrink sharply compared with the ones of BiFeO(3) ceramic, which is beneficial to the connection between grains and the density. Bi(0.9)Ho(0.1)FeO(3) ceramic exhibits obvious ferromagnetism while BiFeO(3) ceramic does not possess the macroscopic ferromagnetism at the RT. The magnetization sinks in the horizontal direction near the zero magnetic field. It indicates that Bi(0.9)Ho(0.1)FeO(3) ceramics do not only show obvious ferromagnetism, but also could exhibit lower magnetic hysteresis loss.
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页码：557 / 560
页数：4
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