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用 sol- gel和 SCFD技术制备了超微粒子氧化铁 ,采用 TEM、XRD等手段对其物性进行了表征 .考察了制备条件对产物粒径、形貌及晶型的影响 .研究发现采用 SCFD技术制备超微粒子氧化铁可实现干燥、晶化一步完成 .
The ultrafine particles of iron oxide were prepared by sol-gel and SCFD techniques and their properties were characterized by TEM and XRD. The effects of preparation conditions on the particle size, morphology and crystal form were investigated. It was found that SCFD Ultrafine particles of iron oxide can be dried, crystallization completed in one step.