Microwave Absorption Enhancement of Fe/C Core-Shell Hybrid Derived from a Metal-Organic Framework

被引：17

作者：

Heng, Liuyang ^{[1
]}

Zhang, Zilong ^{[1
]}

Wang, Shuai ^{[1
]}

Chen, Xiqiao ^{[1
]}

Jia, Xiubo ^{[2
]}

Tang, Zhixiang ^{[3
]}

Zou, Yanhong ^{[1
]}

机构：

[1] Hunan Univ, Sch Phys & Elect, Hunan Prov Key Lab Low Dimens Struct Phys & Devic, Changsha 410082, Hunan, Peoples R China

[2] Hunan Vocat Inst Technol, Sch New Energy, Xiangtan 411104, Peoples R China

[3] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha 410082, Hunan, Peoples R China

来源：

NANO | 2019年 / 14卷 / 01期

关键词：

Fe/C; microwave absorption; polarization; nanocomposites; COMPOSITE MICROSPHERES; FACILE SYNTHESIS; PERFORMANCE; NANOPARTICLES; NANOCRYSTALS;

D O I：

10.1142/S1793292019500024

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Core-shell structured Fe/C have been successfully derived from a metal-organic framework for microwave absorbing. Based on the measured electromagnetic parameters, it is found that the maximum reflection loss (RL) of Fe/C reaches -40 dB at 5.8 GHz with a thickness of 3.0 mm and the broadest absorption bandwidth (RL < -10 dB) is up to 6.0 GHz (from 11.2 to 17.2 GHz) with a thickness of 1.5 mm. The excellent microwave absorption is mainly ascribed to the multiple reflections, good impedance matching, dielectric loss and interface polarization originating from the core-shell structure. It is believed that Fe/C can be a promising microwave absorbing material.

引用

页数：9

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