| 磁场作用下Fe_3O_4磁性液体薄膜形貌和热效应 |
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| 引用本文： | 张介立,杨华,林德明,林木良,胡西多.磁场作用下Fe_3O_4磁性液体薄膜形貌和热效应[J].中山大学学报(自然科学版),2000(6). |
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| 作者姓名： | 张介立 杨华 林德明 林木良 胡西多 |
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| 作者单位： | 中山大学物理学系!广东广州510275 |
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| 基金项目： | 中山大学科学基金资助项目!( 0 19 4 2 2 163) |
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| 摘 要： | 利用化学共沉淀法制备纳米Fe3O4 微粒 ,并制成磁性液体 .研究磁性液体薄膜在不同磁场下的形貌变化 .用磁热重分析技术 (MTGA)研究纳米Fe3O4 微粒样品加热过程的相变 .初步测量在高频电磁场下纳米Fe3O4 微粒混合物的发热效应 .
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| 关 键 词： | 磁性液体 纳米Fe_3O_4微粒 热效应 |
Study of the Morphological Variation and Hyperthermia Effect of Magnetofluid in an Applied Magnetic Fields |
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| ZHANG Jie\|li.Study of the Morphological Variation and Hyperthermia Effect of Magnetofluid in an Applied Magnetic Fields[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2000(6). |
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| Authors: | ZHANG Jie\|li |
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| Institution: | ZHANG Jie\|liDepartment of Physics,Zhongshan University,Guangzhou 510275,China,YANG Hua,LIN De\|ming,LIN Mu\|liang,HU Xi\|do |
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| Abstract: | The homogeneous magnetofluid was prepared with namo particles of Fe\-3O\-4 obtained by the coprecipitation technique.The morphologies of magnetofluid films were observed in different applied magnetic fields.The phase transformation of Fe\-3O\-4 during the heating was studied by using techniques of TG and MTGA(magnetic thermogravimetric analysis).The hyperthermia effect of ultra\|fine particles of Fe\-3O\-4 was measured by means of high\|frequency magnetic field. |
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| Keywords: | magnetofluid nano particles of Fe\-3O\-4 hyperthermia effL |
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