| 核壳型铁钴纳米复合材料的制备及其性能 |
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| 引用本文： | 刘飚,官建国,王琦,张清杰.核壳型铁钴纳米复合材料的制备及其性能[J].电子元件与材料,2004,23(8):1-3. |
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| 作者姓名： | 刘飚 官建国 王琦 张清杰 |
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| 作者单位： | 1. 武汉理工大学材料复合新技术国家重点实验室,湖北,武汉,430070;济南大学中国粉体技术杂志社,山东,济南,250022
2. 武汉理工大学材料复合新技术国家重点实验室,湖北,武汉,430070 |
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| 基金项目： | 国家自然科学基金重点项目(29904005) |
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| 摘 要： | 采用多元醇还原工艺和自组装技术,在微米级Fe粉表面包覆纳米Co粒子,一步法制备了一种具有核壳结构的复合磁性微球,用SEM表征了其相组成和形貌,用VSM测试了磁滞回线,初步研究了磁学性能。结果表明:用该法制备的核壳型Fe/Co纳米复合材料表面包覆致密,其比饱和磁化强度和矫顽力介于微米铁粉和纳米钴粉之间。
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| 关 键 词： | 复合材料 多元醇还原工艺 自组装技术 核壳结构 磁学性能 |
| 文章编号： | 1001-2028(2004)08-0001-03 |
| 修稿时间： | 2004年3月19日 |
Preparation and Magnetic Properties of Fe/Co Nano-composites with Core-shell Structure |
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| LIU Biao,GUAN Jian-guo,WANG Qi,ZHANG Qing-jie.Preparation and Magnetic Properties of Fe/Co Nano-composites with Core-shell Structure[J].Electronic Components & Materials,2004,23(8):1-3. |
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| Authors: | LIU Biao GUAN Jian-guo WANG Qi ZHANG Qing-jie |
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| Affiliation: | LIU Biao1,2,GUAN Jian-guo1,WANG Qi1,2,ZHANG Qing-jie1 |
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| Abstract: | A kind of magnetic nano-composite particles with core-shell structure, which are based on the micrometer Fe particles coated with Co nano-particles, were prepared by polyol reduction process and self-assembly technology. The phases and the structures were characterized with SEM. The hysteresis loops magnetic nano-composite particles were measured with VSM, and their magnetic properties were preliminarily studied. The results show that this method can be prepared the density shell for Fe/Co nano-composite particles with core-shell structure. Being a kind of magnetic particles, its specific saturation magnetization and coercive field are between micrometer Fe particles and Co nano-particles. |
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| Keywords: | composites polyol reduction process self-assembly technology core-shell structure magnetic properties |
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