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静电纺丝法制备尖晶石铁氧体纳米纤维的研究进展
Developments of Spinel Ferrite Nanofibers Fabricated by Electrospinning

DOI: 10.12677/MS.2016.64029, PP. 230-238

Keywords: 尖晶石铁氧体,静电纺丝,纤维形貌,磁性质,离子掺杂
Spinel Ferrite
, Electrospinning, Nanofiers Morphology, Magnetic Properties, Ion Substitution

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Abstract:

静电纺丝技术是一种制备纳米纤维的新型方法,制备出的纳米纤维具有长径比高、比表面积大和直径分布均匀等优点。用静电纺丝法制备陶瓷类尖晶石铁氧体,需要加入煅烧的实验步骤,煅烧温度、升温速率等条件会影响尖晶石铁氧体纳米纤维的晶体结构、形貌、磁性质等。离子掺杂通过改变尖晶石铁氧体纳米纤维中的金属离子占位来影响铁氧体纳米纤维的磁性质。文中总结了用静电纺丝法制备尖晶石铁氧体纳米纤维的几个重要影响因素和几种典型的离子掺杂,为尖晶石铁氧体纳米纤维的应用提供可行性实验方法。
Electrospinning technology is a novel method of preparing nanofibers, which have the advantages of high aspect ratio, large specific surface areas and uniform diameter distribution. In general, ce-ramic spinel ferrites are prepared by the electrospinning of precursors in the presence of polymers followed by calcination. The calcination conditions will influence the crystal structure, morphology and magnetic properties of spinel ferrite nanofibers, such as calcination temperature and heating rate. The effects of ion substitution on magnetic properties of spinel nanofibers are due to the change of cation distribution on A and B sites. This paper summed up several important influence factors and ion substitution in the preparation of spinel ferrite nanofibers by electrospinning, which provide a feasible experimental method for the application of spinel ferrite nanofiers.

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