Large magnetic coercive field in Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 polycrystalline compound

L Zhai; Y G Shi; S L Tang; L Y Lv; Y W Du

首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Large magnetic coercive field in Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 polycrystalline compound

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Large magnetic coercive field in Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 polycrystalline compound

机译：Bi_（0.9）La_（0.1）Fe_（0.98）Nb_（0.02）O_3多晶化合物中的大矫顽磁场

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摘要

Single phase Bi_(0.9)La_(0.1)FeO_3 (BLFO) and Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 (BLFNO) polycrystalline ceramics were prepared by conventional solid state reaction followed immediately by the quenching process. An obvious structure transition from the rhombohedral-type to the monoclinic-type with the doping of Nb was observed. The average grain size decreased from 7μm for BLFO to 500 nm for BLFNO. The magnetic ordering temperature of BLFNO decreased in comparison with the sample free of Nb. BLFNO shows a large coercive field, 1.35 T, and a large remanent magnetization, 0.23 A m~2 kg~(-1), at 300 K. The possible reasons for the remarkable magnetic performance of BLFNO are discussed.

机译：单相Bi_（0.9）La_（0.1）FeO_3（BLFO）和Bi_（0.9）La_（0.1）Fe_（0.98）Nb_（0.02）O_3（BLFNO）多晶陶瓷通过常规固相反应制备，然后立即进行淬火工艺。观察到Nb掺杂从菱形到单斜晶型的明显结构转变。平均晶粒尺寸从BLFO的7μm减小到BLFNO的500nm。与不含Nb的样品相比，BLFNO的磁有序温度降低了。 BLFNO在300 K时显示出1.35 T的大矫顽力场和0.23 A m〜2 kg〜（-1）的大剩余磁化强度。讨论了BLFNO出色的磁性能的可能原因。

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《Journal of Physics, D. Applied Physics: A Europhysics Journal》 |2009年第16期|共4页
作者
L Zhai; Y G Shi; S L Tang; L Y Lv; Y W Du;
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正文语种 eng
中图分类 539C0001;
关键词
phase; state; performance;

机译：阶段;状态;性能;

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1. Large magnetic coercive field in Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 polycrystalline compound [J] . L Zhai, Y G Shi, S L Tang, Journal of Physics, D. Applied Physics: A Europhysics Journal . 2009,第16期

机译：Bi_（0.9）La_（0.1）Fe_（0.98）Nb_（0.02）O_3多晶化合物中的大矫顽磁场
2. Observation of a fifth-order optical nonlinearity in Bi_(0.9)La_(0.1)Fe_(0.98)Mg_(0.02)O_3 ferroelectric thin films [J] . Bing Gu, Yang Wang, Wei Ji, Applied Physicsletters . 2009,第4期

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4. Structural and physical properties of room temperature stable muitiferroic properties of single-phase (Bi_(0.9)La_(0.1))FeO_3-Pb(Fe_(0.5)Nb_(0.5))O_3 solid solution systems [C] . Hanjong Paik, Hyung-Chul Kim, Kwangsoo No Annual Conference on Magnetism and Magnetic Materials . 2009

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5. Magneto-electric coupling in multiferroic $La_{0.8}Bi_{0.2}Fe_{0.7}Mn_{0.3}O_3$ ceramic [O] . Anjum, G., Mollah, S., Shukla, D. K., 2010

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Large magnetic coercive field in Bi_(0.9)La_(0.1)Fe_(0.98)Nb_(0.02)O_3 polycrystalline compound

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