Fabrication and electromagnetic loss properties of Fe3O4 nanofibers

被引：0
|
作者：
Xiaogu Huang
Yunyun Chen
Jianghua Yu
Jing Zhang
Tianyi Sang
Gaixin Tao
Hongli Zhu
机构：
[1] Nanjing University of Information Science and Technology,School of Physics and Optoelectronic Engineering
[2] Nanjing University of Information Science and Technology,School of Environmental Science and Engineering
[3] China Geological Survey,Nanjing Center
[4] University of California Davis,Department of Electrical and Computer Engineering
[5] Jiangsu Rudong Secondary Vocational School,undefined
[6] Institute 53 of China North Industries Group Corporation,undefined
来源：
Journal of Materials Science: Materials in Electronics | 2015年 / 26卷
关键词：
Dielectric Loss; Microwave Absorption; Exchange Resonance; Magnetic Loss; Interface Polarization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Fe3O4 nanofibers were prepared by electrospinning method. The phase composition and morphology were analyzed by XRD and FE-SEM. The results indicated that the pure Fe3O4 nanofibers were obtained and exhibited evident shape anisotropy. The magnetic study via VSM showed that the Fe3O4 nanofibers possessed ferrimagnetic properties. The saturation magnetization was around 58.4 emu/g and the coercivity was approximate 186.7 Oe. In addition, the electromagnetic loss properties were detailed investigated by network analyzer. The dispersion relaxation phenomenon was observed in the frequency range of 2–18 GHz. The dielectric loss was caused by the interface polarization and the magnetic loss was owing to the exchange resonance. The as-prepared Fe3O4 nanofibers showed excellent electromagnetic loss properties and could be potentially applied as the lightweight microwave absorption materials.
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页码：3474 / 3478
页数：4
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