期刊
MATERIALS RESEARCH BULLETIN
卷 44, 期 8, 页码 1676-1680出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.04.006
关键词
Magnetic materials; Nanostructures; Inorganic compounds; Magnetic properties
资金
- CAS
- National Natural Science Foundation of China [20471065]
- National Basic Research Program of China [2006CB933000]
This paper describes a simple and effective approach to fabrication of aligned magnetic ferrite nanofibers by magnetic-field-assisted electrospinning coupled with oxygen plasma treatment. Large and flexible magnetic hybrid membranes of aligned Fe3O4/PVP composite nanofibers were fabricated readily by electrospinning mixtures of Fe3O4/PVP in a magnetic field. The PVP matrix could be removed either by calcination or by oxygen plasma treatment. Oxygen plasma treatment retained the original crystalline phase of Fe3O4, and large inorganic membranes of aligned ferrite nanofibers were obtained: The ferrite nanofibers showed ferromagnetic behaviors, and are promising in flexible magnetic membranes, magnetic separation, drug delivery, and magnetic sensors. (C) 2009 Elsevier Ltd. All rights reserved.
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