TITLE

Magnetic nanofibers of nickel ferrite prepared by electrospinning

AUTHOR(S)
Li, Dan; Herricks, Thurston; Xia, Younan
PUB. DATE
December 2003
SOURCE
Applied Physics Letters;12/1/2003, Vol. 83 Issue 22, p4586
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This letter describes a simple procedure for fabricating randomly and uniaxially aligned nanofibers of nickel ferrite by electrospinning. Polycrystalline nanofibers of NiFe[sub 2]O[sub 4] with an average diameter of 46 nm have been prepared by electrospinning a solution that contained poly(vinyl pyrrolidone) and alkoxide precursors to nickel and iron oxides, followed by hydrolysis and calcination at 550 °C in air. Magnetic hysteresis scans were performed on these nanofibers, in comparison with a powder sample prepared using the conventional sol–gel process. Significant differences in magnetic properties were noted between these two samples, and these differences seemed to be associated with the size and morphological differences between the nanofibers and the powders. © 2003 American Institute of Physics.
ACCESSION #
11503303

 

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