Electromagnetic Properties of Co/Co3O4/Reduced Graphene Oxide Nanocomposite

被引：5
|
作者：
Zeng, Min [1 ]
Liu, Jue [1 ]
Yu, Ronghai [1 ]
Zhu, Minggang [2 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[2] Cent Iron & Steel Res Inst, Beijing 100081, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Complex permeability; complex permittivity; microwave absorption; reduced graphene oxide (RGO); reflection loss; MICROWAVE-ABSORPTION;
D O I：
10.1109/TMAG.2014.2329142
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Incorporating reduced graphene oxide (RGO) with Co/Co3O4 gives rise to the enhancement of the electromagnetic wave absorption of the composite, contributed from the excellent electric property and the unique architectural morphology of RGO. The complex permeability and complex permittivity are investigated in the range of 1-18 GHz. The reflection loss R-L of the Co/Co3O4 /RGO composite shows higher performance than that of the Co/Co3O4 composite due to the unique electronic property coming from the RGO. The frequency and the thickness of the absorber, of which the peak R-L value occurs, derived from the transmit-line theory agree well with the results from the quarter-wavelength matching principle. Hence, the Co/Co3O4 RGO composite is one of the promising candidates for microwave absorption.
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页数：4
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