分别采用共沉淀法、柠檬酸盐法和瞬时共烧法制备了磁性膨胀石墨样品;采用SEM、EDS能谱和磁滞回线研究了样品的微观形貌与性能.结果表明,采用柠檬酸盐法制备的膨胀石墨样品,铁氧体在表面和层问的沉积效果良好,磁性较强.
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