以乙醇-水为混合溶剂,六亚甲基四胺(HMTA)与聚乙烯吡咯烷酮(PVP)为添加剂,通过溶剂热法合成海绵状的镍铁氧体( NiFe2O4)团簇,并对其进行了XRD、VSM、SEM、TEM、BET与ICP表征.结果表明,在反应体系中同时引入PVP与HMTA时,合成的海绵状NiFe2O4团簇具有尖晶石晶体结构,晶粒均匀细小,比饱和磁化强度为57.30emu/g,比表面积与孔容分别为91.57m2/g、0.26cm3/g.
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