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Massart法制备Fe3O4离子型磁性液体的体积分数与密度表征 被引量:2

The Volume Fraction and the Density Characterization of Fe_3O_4 Ionic Magnetic Fluid Prepared by Massart's Method
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摘要 在Massart法离子型磁性液体的制备中,Fe3O4纳米微粒经Fe(NO3)3处理后,表面生成了非磁性的包裹层.根据Fe(NO3)3处理前后的饱和磁化强度,表层的化学组成及非磁性特点,分析了处理后微粒非磁性表层的厚度,以及对合成的离子型磁性液体的体积分数和密度产生的影响. In the process of preparing ionic magnetic fluids by Massart' s method, the nonmagnetic enclosed layer could form in the surface of Fe3O4 nanoparticles treated with Fe(NO3)3.From the saturated magnetization, the surface chemical composition and non-magnetic characteristics of both untreated and treated particles, the thickness of nonmagnetic surface laver and its effect on the volume fraction and density of the ionic magnetic fluid are analyzed.
作者 王安蓉 李建
出处 《四川师范大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第1期85-88,共4页 Journal of Sichuan Normal University(Natural Science)
基金 重庆市自然科学基金(CSTC2007BA3031)资助项目
关键词 纳米微粒 离子型磁性液体 体积分数 Narnoparticles Ionic magnetic fluid Volume fraction
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参考文献9

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共引文献41

同被引文献15

  • 1黄彦,李建,杨国凤,白浪.磁性液体磁化强度的计算处理[J].西南师范大学学报(自然科学版),2005,30(2):281-283. 被引量:9
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