| 溶胶-凝胶柠檬酸盐自蔓延燃烧法制备的纳米级Mn-Zn软磁铁氧体磁粉 |
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| 引用本文： | 孙式运,方玉龙,方以坤,姚学标,尹平. 溶胶-凝胶柠檬酸盐自蔓延燃烧法制备的纳米级Mn-Zn软磁铁氧体磁粉[J]. 磁性材料及器件, 2004, 35(4): 21-22,26 |
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| 作者姓名： | 孙式运 方玉龙 方以坤 姚学标 尹平 |
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| 作者单位： | 亳州职业技术学院,安徽亳州,236800;安徽大学,物理系,安徽合肥,230039 |
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| 摘 要： | 应用溶胶-凝胶柠檬酸盐自蔓延燃烧法制备了软磁Mn-Zn铁氧体磁粉.X射线衍射(XRD)和透射电镜(TEM)分析表明,样品为纳米级单相Mn-Zn铁氧体,其晶粒大小约为25nm.振动样品磁强计(VSM)测得Mn-Zn铁氧体磁粉的饱和磁化强度Ms为60.6m2/kg,矫顽力Hc为15.2kA/m,这表明纳米级Mn-Zn铁氧体磁粉不具有超顺磁特性.由于Mn-Zn铁氧体磁粉还具有很好的活性,可以用来制备高性能的软磁Mn-Zn铁氧体材料.
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| 关 键 词： | Mn-Zn铁氧体纳米磁粉 溶胶-凝胶柠檬酸盐自蔓延燃烧 磁性能 |
| 文章编号： | 1001-3830(2004)04-0021-02 |
Soft Magnetic Mn-Zn Ferrite Nanoparticles Prepared by Sol-Gel Auto-combustion |
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| SUN Shi-yun,FANG Yu-long,FANG Yi-kun,YAO Xue-biao,YIN Ping . Bozhou Vocational and Technical College,Bozhou ,China. Soft Magnetic Mn-Zn Ferrite Nanoparticles Prepared by Sol-Gel Auto-combustion[J]. Journal of Magnetic Materials and Devices, 2004, 35(4): 21-22,26 |
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| Authors: | SUN Shi-yun FANG Yu-long FANG Yi-kun YAO Xue-biao YIN Ping . Bozhou Vocational Technical College Bozhou China |
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| Affiliation: | SUN Shi-yun1,FANG Yu-long1,FANG Yi-kun2,YAO Xue-biao2,YIN Ping2 1. Bozhou Vocational and Technical College,Bozhou 236800,China, 2. Department of Physics,Anhui University,Hefei 230039,China |
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| Abstract: | Soft magnetic Mn-Zn ferrite nanoparticles were prepared by using sol-gel auto-combustion. X-ray diffraction (XRD) analysis and transmission electronic microscopy (TEM) show that the sample is single phase and the corresponding grain size is about 25nm. The saturation magnetization Ms and coercivity Hc of the Mn-Zn ferrites are 60.6 Am2/kg and 15.2kA/m, respectively, which indicates that the particle is not superparamagnetic. Moreover, the Mn-Zn ferrite nanoparticles are highly active and can be used to fabricate high performance soft magnetic Mn-Zn ferrite material. |
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| Keywords: | Mn-Zn ferrites nanoparticles sol-gel auto-combustion magnetic properties |
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