| 强磁性纳米材料磁稀释体系磁化强度表征的新方法 |
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| 引用本文： | 秦淑琪,李锡恩,杨声,杨武,高锦章.强磁性纳米材料磁稀释体系磁化强度表征的新方法[J].兰州大学学报(自然科学版),2005,41(2):68-70. |
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| 作者姓名： | 秦淑琪 李锡恩 杨声 杨武 高锦章 |
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| 作者单位： | 西北师范大学,化学化工学院,甘肃,兰州,730070;兰州商学院,教务处,甘肃,兰州,730000;天水师范学院,化学系,甘肃,天水,741000 |
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| 基金项目： | 教育部留学回国人员科研启动基金，教育部科技计划 |
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| 摘 要： | 研究了强磁性纳米材料磁化强度的表征方法,采用永久磁矩和未偶电子为零的无磁性物质作为磁稀释体系,将纳米材料的强磁性稀释后,用Gouy磁天平表征了强磁性纳米材料NiFe2O4磁化强度,探讨了纳米材料粒径与磁稀释体系磁化强度的变化规律.
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| 关 键 词： | 纳米材料 粒径 磁化强度 表征 |
| 文章编号： | 0455-2059(2005)02-0068-03 |
A new method for characterizing magnetic strength of magnetic diluter system of high magnetic nanomaterials |
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| QIN Shu-qi,LI Xi-en,YANG Sheng,YANG Wu,GAO Jin-zhang.A new method for characterizing magnetic strength of magnetic diluter system of high magnetic nanomaterials[J].Journal of Lanzhou University(Natural Science),2005,41(2):68-70. |
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| Authors: | QIN Shu-qi LI Xi-en YANG Sheng YANG Wu GAO Jin-zhang |
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| Abstract: | A new method to characterize the magnetic strength of NiFe2O4 nanoparticles is presented. An unmagnetic material whose permanent magnetic distance and single electron are zero is selected as a magnetic diluter system. Adding the magnetic diluter system in samples so that the high magnetism of nanoparticles is diluted. The magnetic strength of high magnetic nanomaterials NiFe2O4 has been characterized using Gouy magnetic balance by adding the magnetic diluter system in samples. The regulation of the magnetic strength with different sizes of nanoparticles is studied. |
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| Keywords: | nanomaterial nanoparticles size magnetic strength characterization |
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