磁性纳米材料在物理、化学等方面都拥有优秀的性能和广泛的用途.主要介绍近年来普遍应用于制备纳米磁性Fe3O4的五种方法:共沉淀法、微乳液法、溶胶-凝胶法、水热法和水解法.并对其在生物医药、微波吸收材料、磁记录材料和催化剂等方面的应用进行介绍,最后提出了展望.%Magnetic Fe3O4nanometer materials have been applicated extensively in the chemical and physical field due to their excellent material property.Five kinds of preparation methods including co-precipitation,sol-gel method,micro-emulsion,hydrothermal method and hydrolysis method were in-troduced in this paper.T he application of Fe3O4nano-particles in magnetic recording materials,micro-wave materials,catalyst and biological medicine were explored.Finally,the prospect were also put for-w ard.
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