| 混合碱媒介法制备磁性铁酸钴纳米粉体 |
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| 引用本文： | 张梅梅,刘宏,刘建安.混合碱媒介法制备磁性铁酸钴纳米粉体[J].人工晶体学报,2009,38(5):1231-1234. |
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| 作者姓名： | 张梅梅 刘宏 刘建安 |
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| 作者单位： | 山东轻工业学院材料科学与工程学院,玻璃与陶瓷材料省级重点实验室,济南,250353;山东大学晶体材料国家重点实验室,济南,250100;山东大学晶体材料国家重点实验室,济南,250100;山东轻工业学院材料科学与工程学院,玻璃与陶瓷材料省级重点实验室,济南,250353 |
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| 基金项目： | 国家自然科学基金(No.50872070) |
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| 摘 要： | 采用混合碱媒介法制备铁酸钴磁性纳米粉体,探索了制备工艺,利用X射线衍射仪、透射电镜、振动样品磁强计对样品的结构和磁性能进行了研究.结果表明:以硝酸盐或醋酸盐为原料用混合碱法可制得粒度均匀、粒径范围在10～50 nm的铁酸钴纳米粉,所制备的样品具有粒径小、粒度均匀、分散性较好的特点,中等饱和磁化强度、高矫顽力,是性能优良的磁性材料.
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| 关 键 词： | 混合碱法 铁酸钴 磁性纳米粉体 |
Synthesis of Magnetic Cobalt Ferrite Nanomaterials by Composite-hydroxide-mediate Method |
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| ZHANG Mei-mei,LIU Hong,LIU Jian-an.Synthesis of Magnetic Cobalt Ferrite Nanomaterials by Composite-hydroxide-mediate Method[J].Journal of Synthetic Crystals,2009,38(5):1231-1234. |
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| Authors: | ZHANG Mei-mei LIU Hong LIU Jian-an |
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| Institution: | 1.Key Laboratory of Glass and Ceramic Materials of Shandong Province;School of Materials Science and Engineering;Shandong Institute of Light Industry;Jinan 250353;China;2.State Key Laboratory of Crystal Materials;Shandong University;Jinan 250100;China |
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| Abstract: | Cobalt ferrite magnetic nano-powder was prepared by composite-hydroxide-mediate method,the preparing process was studied. The structure and magnetic properties of the samples are measured and analyzed by X-ray diffraction (XRD),transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The results showed that cobalt ferrite with uniform particle sizes in the range of 10~50 nm can be obtained using nitrates or acetates as raw materials. The synthesized nano-particles are small in sizes w... |
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| Keywords: | composite-hydroxide-mediate method cobalt ferrite magnetic nanopowder |
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