期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 324, 期 13, 页码 2070-2074出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2012.02.017
关键词
Diluted magnetic semiconductor (DMS); Electrospinning; Ni1-xFexO; Ferromagnetism
To make p-type diluted magnetic semiconductor (DMS), Ni1-xFexO nanofibers with different Fe doping concentrations have been successfully synthesized by electrospinning method using polyvinyl alcohol (PVA) and Ni(CH3COO)(2)center dot 4H(2)O as starting materials. The nanofibers were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Raman spectroscopy, superconductivity quantum interference device (SQUID) and X-ray photoelectron spectroscopy (XPS) test. The results show that Fe doping has no influence on the diameter and surface morphology of NiO nanofibers, and the nanofibers are polycrystalline with NaCl structure. All Fe-doped samples show obvious ferromagnetic properties and the saturation magnetization is enhanced with increase of the doping concentration of Fe, which indicates that the doped Fe has been incorporated into the NiO host and results in room-temperature ferromagnetism in the Ni1-xFexO nanofibers. (C) 2012 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据