明显增强的镧掺杂锶铁氧体的磁光克尔效应

材料研究学报

2012, Vol. 26

Issue (1): 91-95

研究论文

本期目录 | 过刊浏览

明显增强的镧掺杂锶铁氧体的磁光克尔效应

朱德如¹, 刘先松¹, 胡锋¹, JOSE Luis Menendez²

1.安徽大学物理与材料科学学院磁性材料安徽省工程技术研究中心合肥 230039
2. Universidad de Oviedo, Parque Tecnologico de Asturias, 33428 Llanera, Spain

Remarkable Enhancement of Magneto-Optical Kerr Effect of Strontium Ferrites by Doping La

ZHU Deru¹, LIU Xiansong¹, HU Feng¹, Jose Luis Menendez²

1.Engineering Technology Research Center of Magnetic Materials, Anhui Province, School of Physics & Materials Science, Anhui University, Hefei 230039
2. Universidad de Oviedo, Parque Tecnol´ogico de Asturias, 33428 Llanera, Spain

引用本文:

朱德如刘先松胡锋 JOSE Luis Menendez. 明显增强的镧掺杂锶铁氧体的磁光克尔效应[J]. 材料研究学报, 2012, 26(1): 91-95.
. Remarkable Enhancement of Magneto-Optical Kerr Effect of Strontium Ferrites by Doping La[J]. Chin J Mater Res, 2012, 26(1): 91-95.

全文: PDF(828 KB)

摘要: 采用陶瓷法制备了稀土La³⁺掺杂的锶铁氧体Sr_1-xLa_xFe₁₂O₁₉(x=0, 0.05, 0.10, 0.15, 0.20)。系统地研究了La³⁺取代对材料结构、磁性能的影响, 特别是对磁光克尔效应的影响。实验结果表明, La³⁺取代Sr²⁺能显著增强锶铁氧体的磁光克尔效应, 当x=0.20时, 与SrFe₁₂O₁₉相比, 磁光克尔效应增加到了1%。

关键词 ：无机非金属材料, 锶铁氧体, 镧掺杂, 磁性能, 磁光克尔效应

Abstract：La-substituted strontium ferrites, according to the formula Sr1−xLaxFe12O19 (x = 0, 0.05, 0.10, 0.15, 0.20), were prepared by the conventional ceramic technology. The influences of La3+ substitution on the structures, magnetic properties and magneto-optical Kerr effect of Sr1−xLaxFe12O19 were systematically investigated. The experimental results showed that a strong magneto-optical activity was induced in strontium ferrites by doping La. When x = 0.20, the magneto-optical activity of the sample Sr0.8La0.2Fe12O19 was 1% higher than that of SrFe12O19.

Key words： inorganic non-metallic materials strontium ferrites La substitution magnetic properties magneto-optical Kerr effect

收稿日期: 2011-03-30

ZTFLH:

TM271

基金资助:

国家自然科学基金51072002, 安徽省教育厅重点科研项目KJ2010A008, 安徽大学``211工程''学术创新团队02303402科研课题和安徽大学研究生学术创新研究y9h090013资助项目。

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https://www.cjmr.org/CN/ 或 https://www.cjmr.org/CN/Y2012/V26/I1/91

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