Ferromagnetic behaviors in NiO-based nanofibers synthesized by electrospinning method

被引：2

作者：

Luo, Yi-Dong ^{[1
]}

Lin, Yuan-Hua ^{[1
]}

Feng, Yan-Nan ^{[1
]}

Zhang, Yu-Jun ^{[1
]}

Song, Yu ^{[1
]}

Shen, Yang ^{[1
]}

Nan, Ce-Wen ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 11期

关键词：

ROOM-TEMPERATURE FERROMAGNETISM; SEMICONDUCTORS; SPINTRONICS;

D O I：

10.1063/1.4768907

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

LixNi0.97-xFe0.03 nanofibers with different Li doping concentration have been synthesized by electrospinning method. The phase composition and microstructure analysis show that Fe and Li doping has no influence on the phase structure and morphology of NiO nanofibers, which reveal that the doped Fe and Li have been incorporated into the NiO host lattice. All the Li and Fe co-doped NiO nanofiber samples show obvious room-temperature ferromagnetic properties. The saturation magnetization can be enhanced with increase of the Li doping concentration. This phenomenon can be ascribed to the fact that the hole doping makes ferromagnetic coupling interactions between the holes and localized Fe 3d states more efficient. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4768907]

引用

页数：3

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