| 高饱和磁化强度Fe_3O_4纳米粒子的制备及表征 |
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| 引用本文： | 田国徽,张萍,倪明亮,周勉,胡萍. 高饱和磁化强度Fe_3O_4纳米粒子的制备及表征[J]. 四川有色金属, 2009, 0(4): 22-27,11 |
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| 作者姓名： | 田国徽 张萍 倪明亮 周勉 胡萍 |
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| 作者单位： | 1. 四川大学材料科学与工程学院,四川,成都,610065
2. 四川冶金环能工程有限公司,四川,成都,610000 |
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| 摘 要： | 实验采用反滴定化学共沉淀工艺在无任何惰性气体保护情况下合成了纯度高、结晶性好的四氧化三铁纳米粒子，测试结果显示，其饱和磁化强度高达104．6emu／g。用X射线衍射仪、扫描电镜、选区电子衍射和X射线光电子能谱表征了四氧化三铁纳米粒子的形貌结构及化学成分等性质，用振动磁强计测试其磁性质。详细的讨论了pH值、陈化温度、陈化时间等因素对磁性质的影响机制。
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| 关 键 词： | 四氧化三铁 磁性纳米粒子 共沉淀法 |
The synthesis and characterization of Magnetic Iron Oxide with high saturation magnetization |
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| TIAN Guo-Hui,ZHANG Ping,NI Ming-liang,ZHOU Mian,HU Ping. The synthesis and characterization of Magnetic Iron Oxide with high saturation magnetization[J]. Sichuan Nonferrous Metals, 2009, 0(4): 22-27,11 |
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| Authors: | TIAN Guo-Hui ZHANG Ping NI Ming-liang ZHOU Mian HU Ping |
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| Affiliation: | TIAN Guo-Hui,ZHANG Ping,NI Ming-liang,ZHOU Mian,HU Ping(1.College of material science , engineering,Sichuan University,Chengdu 610065,Sichuan,China 2.Sichuan Metallurgical Environment & Energy Engineering Co.Ltd,Chengdu,610000) |
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| Abstract: | Magnetic iron oxide with high purity and good crystallization has been successfully synthesized via anti-titration co-precipitation method without the protection of any inert gas.The test result shows that the synthesized nanometer particles have saturation magnetization as high as 104.6emu/g.Their characters,such as morphology structure and chemical composition,were indicated by X-ray powder diffraction(XRD),scanning electron microscope(SEM) and selected area electron diffraction(SAED),X-ray photoelectron ... |
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| Keywords: | Magnetic iron oxide magnetic nanoparticles co-precipitation |
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