| 表面修饰对镝铁氧体纳米磁粒子的合成及其磁性能的影响 |
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| 引用本文： | 陈静,张茂润,邓真娟. 表面修饰对镝铁氧体纳米磁粒子的合成及其磁性能的影响[J]. 金属功能材料, 2011, 18(5): 18-23 |
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| 作者姓名： | 陈静 张茂润 邓真娟 |
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| 作者单位： | 安徽理工大学化工学院,安徽,淮南,232001 |
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| 基金项目： | 安徽省教育厅自然科学基金(2006kJ143B)资助项目 |
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| 摘 要： | 利用湿化学法制备镝铁氧体纳米磁粒子时,用适量的阴离子表面活性剂进行表面修饰,能够有效地控制磁粒子的粒径,同时避免干燥时产生硬团聚.文章介绍了用月桂酸、月桂酸钠、正十二烷基硫酸钠对磁粒子进行表面修饰的研究结果,探讨了三者及其用量对磁粒子的形成及磁性能的影响.借助X射线衍射仪(XRD)、透射电镜(TEM)、振动样品磁强计(...
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| 关 键 词： | 镝铁氧体 纳米磁粒子 表面修饰 制备 磁性能 |
Effect of Surface Modification on Formation and Magnetic Property of Dysprosium Ferrite Nanomagnetic Particles |
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| CHEN Jing,ZHANG Mao-run,DENG Zhen-juan. Effect of Surface Modification on Formation and Magnetic Property of Dysprosium Ferrite Nanomagnetic Particles[J]. Metallic Functional Materials, 2011, 18(5): 18-23 |
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| Authors: | CHEN Jing ZHANG Mao-run DENG Zhen-juan |
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| Affiliation: | CHEN Jing,ZHANG Mao-run,DENG Zhen-juan(School of Chemical Engineering,Anhui University of Science and Technology,Huainan 232001,Anhui,China) |
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| Abstract: | When wet chemical method are use to prepare dysprosium-doped ferrite magnetic nanoparticles,right amount of anionic surfactant were doped as surface modification,which can effectively control the size of magnetic particles,and avoid producing hard reunion when dry out.This paper introduces the research results of magnetic particle surface modification by using lauric acid,laurel acid sodium and lauryl sodium sulfate,discusses the effect of lauric acid,laurel acid sodium and lauryl sodium sulfate and their d... |
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| Keywords: | dysprosium ferrite magnetic nanoparticles surface modification formation magnetic property |
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