| 复合多铁材料0.2NiFe2O4/0.8BaTiO3的制备及性能研究 |
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| 引用本文： | 李丹,刘艳清,张永军,杨景海.复合多铁材料0.2NiFe2O4/0.8BaTiO3的制备及性能研究[J].吉林师范大学学报（自然科学版）,2012,33(3):16-19. |
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| 作者姓名： | 李丹 刘艳清 张永军 杨景海 |
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| 作者单位： | 吉林师范大学凝聚态物理与材料科学研究所,吉林四平,136000 |
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| 基金项目： | 国家自然科学基金青年科学基金项目 |
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| 摘 要： | 采用溶胶-凝胶与固相反应相结合的方法制备0.2NiFe2O4/0.8BaTiO3复合多铁材料.X射线衍射结果表明,铁电相与铁磁相共存.扫描电子显微镜(SEM)和透射电子显微镜(TEM)对样品的形貌进行了分析.扫描电子显微镜结果表明材料内部是异质结构的,高分辨透射电子显微镜(HRTEM)结果分析复合材料由NiFe2O4和BaTiO3两相构成,并且两相之间存在明显的界面.电滞回线表明,样品具有铁电性,但存在着一定的漏电.利用振动样品磁强计(VSM)对样品的磁性能进行了测量,由于NiFe2O4的存在,样品具有磁性.
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| 关 键 词： | 多铁材料 BaTiO/NiFe2O4 磁性能 铁电性 |
Preparation and Properties of 0.2NiFe204/0.8BaTiO3 Multiferroic Composite |
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| LI Dan,LIU Yan-qing,ZHANG Yong-jun,YANG Jing-hai.Preparation and Properties of 0.2NiFe204/0.8BaTiO3 Multiferroic Composite[J].Jilin Normal University Journal(Natural Science Edition),2012,33(3):16-19. |
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| Authors: | LI Dan LIU Yan-qing ZHANG Yong-jun YANG Jing-hai |
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| Institution: | (Institute of Condensed Matter Physics and Materials Science,Jilin Normal University,Siping 136000,China) |
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| Abstract: | Through the sol-gel method and solid state sintering way,0.2NiFe2O4/0.8BaTiO3 was synthesized.The XRD indicates the coexistence of both spinel NiFe2O4 and pervoskite BaTiO3 phase.The SEM and TEM result shows that the composite was heterogeneous structure.From the HRTEM image,the interplanar distances of ferrite and ferroelectric phase were calculated which confirmed ferrite phase and ferroelectric phase and the interface of the two phases was obvious.The P-E loop indicates that the composite had ferroelectric with tendency of leakage.Magnetization-magnetic filed(M-H) loop of the composite indicating the magnetic of composite originated from the NiFe2O4. |
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| Keywords: | multiferroic material BaTiO3/NiFe2O4 magnetic properties ferroelectric properties |
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