The preparation of nano-iron and coated nanocomposite magnetic powder by sonochemistry and the mechanism of coating were systematically studied by means of SEM, TEM, IR, XRD and EDS.

• 采用SEM、TEM、XRD、IR、EDS等分析方法对超声化学制备纳米铁颗粒以及制备包覆型纳米复合磁粉和超声化学包覆机理进行了研究。