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Silicon Coating Process of Ultrafing Geothite and Analysis of the Surface Structure

Wang Song;Zheng Baicun and Hu Liming(Technical Chemical Physics Institute ECUST, Shanghai 200237)  
The silicon coating process of geothite was studied and scaled up to 100 L. The magnetic powders made by this method are in good shape,good anti-sinter properties and little micropore. The magnetic property is much better than those powders which haven’t been coated.FTIR and XPS are used to inspect and analyse surface structure of silicon coated powders.The structure of interface compound was detennined.
【Fund】: 国家自然科学基金
【CateGory Index】: TQ584.1
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