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| 共沉淀-酸蚀法制备磁性液体及其微粒分析 | |
| 引用本文： | 李建,赵保刚,李海,戴大临. 共沉淀-酸蚀法制备磁性液体及其微粒分析[J]. 西南师范大学学报(自然科学版), 2000, 25(4): 394-398 |
| 作者姓名： | 李建 赵保刚 李海 戴大临 |
| 作者单位： | 1. 西南师范大学物理系, 重庆 400715 2. 重庆自动化仪表研究所, 重庆 400708 3. 西南师范大学生命科学学院, 重庆 400715 |
| 摘 要： | 用共沉淀法制备了ＣｏＦｅ２Ｏ４超细微粒，不同表面活性剂而通过控制酸蚀，合成了稳定的磁性液体。通过Ｘ－射线衍射、振动样品磁强计、透射电子显微镜以及扫描隧道显微镜对微粒进行了分析。对共沉淀－酸蚀法制备磁性液体的机理进行了探讨。 |
| 关 键 词： | 磁性液体 铁氧体 共沉淀－酸蚀法 制备 超细微粒 |
| 文章编号： | 1000-5471(2000)04-0394-05 |
| 修稿时间： | 2000-02-21 |
Coprecipitate-acid etch preparing magnetic liquid and the particle analying |
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| LI Jian ,ZHAO Bao|gang ,Li Hai ,DAI Da|lin .Dept. of Physics,Southwest China Normal Univercity,Chongqing , .Automation and Instrumentation of Chongqing China,Chongqing , ^Dept. of Life|sience,Southwest China Normal. Coprecipitate-acid etch preparing magnetic liquid and the particle analying[J]. Journal of southwest china normal university(natural science edition), 2000, 25(4): 394-398 | |
| Authors: | LI Jian ZHAO Bao|gang Li Hai DAI Da|lin .Dept. of Physics Southwest China Normal Univercity Chongqing .Automation Instrumentation of Chongqing China Chongqing ^Dept. of Life|sience Southwest China Normal |
| Affiliation: | LI Jian 1,ZHAO Bao|gang 1,Li Hai 2,DAI Da|lin 3 1.Dept. of Physics,Southwest China Normal Univercity,Chongqing 400715, 2.Automation and Instrumentation of Chongqing China,Chongqing 400708, 3^Dept. of Life|sience,Southwest China Normal |
| Abstract: | CoFe-2O-4ultrafine particles is produced with copripitate mthode.By controlling acid etch, stable magnetic liquid, in which there is not surface activator,is prepared.The particles are analyzed with X|ray diffraction ,vibrating sample magnetometer, transmission electron microscopy and scanning tunnel microscopy. The mechanism of preparing magnetic liquid by coprecipitate|acid etch is studied. |
| Keywords: | magnetic liquid acid etch particle aggregation |
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