摘要
以乙醇及水的混和溶剂、单质Fe为原料在高温高压反应釜中制备了Fe3O4纳米颗粒。XRD及红外分析表明所获得产物为Fe3O4。高分辨透射电镜观察表明,Fe3O4具有长棒状形貌,长度为200～500nm,直径为20～30nm。所获得Fe3O4纳米颗粒具有良好的铁磁性能,其饱和磁化强度达到64.75emu/g。讨论了Fe3O4纳米颗粒的形成机制。
Fe3O4 nanoparticles were synthesized by a solvothermal method with reaction system of H2O and ethanol in a high-pressure autoclave. The products were confirmed by XRD and FTIR. The obtained Fe3 O4 nanoparticles have the long rod-like morphology with 200 - 500nm in length and 20 - 30nm in diameter under the observation of high-resolution transmission electron microscopy. The saturation magnetization of Fe3 O4 nanoparticles is 64.75emu/g, which shows the good magnetic properties. The formation mechanism of formation of Fe3O4 nanoparticles was also discussed.
出处
《材料热处理学报》
EI
CAS
CSCD
北大核心
2009年第2期32-35,共4页
Transactions of Materials and Heat Treatment
基金
黑龙江省博士后基金资助项目(LBH-Z06100)
哈工大优秀青年教师培养计划资助项目HITQNJS.2007.012)
哈尔滨工业大学科研创新基金资助项目(HIT.NSRIF.2008.35)
