Enhanced Microwave Absorption Properties of α-Fe2O3-Filled Ordered Mesoporous Carbon Nanorods

被引：45

作者：

Wang, Yiming ^{[1
]}

Wang, Liuding ^{[1
]}

Wu, Hongjing ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Sch Sci, Dept Appl Phys, Xian 710072, Peoples R China

来源：

MATERIALS | 2013年 / 6卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ordered mesoporous carbon; alpha-Fe2O3; dielectric loss; microwave absorption; PERFORMANCE; COMPOSITES; FERRITE;

D O I：

10.3390/ma6041520

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel kind of alpha-Fe2O3-filled ordered mesoporous carbon nanorods has been synthesized by a facial hydrothermal method. Compared with dendritic alpha-Fe2O3 micropines, both a broader effective absorption range-from 10.5 GHz to 16.5 GHz with reflection loss (RL) less than -10 dB-and a thinner matching thickness of 2.0 mm have been achieved in the frequency range 2-18 GHz. The enhanced microwave absorption properties evaluated by the RL are attributed to the enhanced dielectric loss resulting from the intrinsic physical properties and special structures.

引用

页码：1520 / 1529

页数：10

共 21 条

[1] Porous Fe3O4/Carbon Core/Shell Nanorods: Synthesis and Electromagnetic Properties [J].

Chen, Yu-Jin ;

Xiao, Gang ;

Wang, Tie-Shi ;

Ouyang, Qiu-Yun ;

Qi, Li-Hong ;

Ma, Yang ;

Gao, Peng ;

Zhu, Chun-Ling ;

Cao, Mao-Sheng ;

Jin, Hai-Bo .

JOURNAL OF PHYSICAL CHEMISTRY C, 2011, 115 (28) :13603-13608

[2] High Electromagnetic Wave Absorption Performance of Silicon Carbide Nanowires in the Gigahertz Range [J].

Chiu, Sheng-Cheng ;

Yu, Hsin-Chih ;

Li, Yuan-Yao .

JOURNAL OF PHYSICAL CHEMISTRY C, 2010, 114 (04) :1947-1952

[3] Microwave absorbing performances of multiwalled carbon nanotube composites with negative permeability [J].

Deng, Longjiang ;

Han, Mangui .

APPLIED PHYSICS LETTERS, 2007, 91 (02)

[4] Hierarchical magnetic yolk-shell microspheres with mixed barium silicate and barium titanium oxide shells for microwave absorption enhancement [J].

Liu, Jiwei ;

Xu, Junjie ;

Che, Renchao ;

Chen, Huajun ;

Liu, Zhengwang ;

Xia, Feng .

JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (18) :9277-9284

[5] APPLICATION OF FERRITE TO ELECTROMAGNETIC WAVE ABSORBER AND ITS CHARACTERISTICS [J].

NAITO, Y ;

SUETAKE, K .

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1971, MT19 (01) :65-&

[6] MEASUREMENT OF INTRINSIC PROPERTIES OF MATERIALS BY TIME-DOMAIN TECHNIQUES [J].

NICOLSON, AM ;

ROSS, GF .

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1970, IM19 (04) :377-&

[7] Application of MWNT-added glass fabric/epoxy composites to electromagnetic wave shielding enclosures [J].

Park, Ki-Yeon ;

Lee, Sang-Eui ;

Kim, Chun-Gon ;

Han, Jae-Hung .

COMPOSITE STRUCTURES, 2007, 81 (03) :401-406

[8] Epoxy-silicone filled with multi-walled carbon nanotubes and carbonyl iron particles as a microwave absorber [J].

Qing, Yuchang ;

Zhou, Wancheng ;

Luo, Fa ;

Zhu, Dongmei .

CARBON, 2010, 48 (14) :4074-4080

[9] Magnetic photonic band-gap material at microwave frequencies based on ferromagnetic nanowires [J].

Saib, A ;

Vanhoenacker-Janvier, D ;

Huynen, I ;

Encinas, A ;

Piraux, L ;

Ferain, E ;

Legras, R .

APPLIED PHYSICS LETTERS, 2003, 83 (12) :2378-2380

[10]

Smit J., 1959, FERRITES

← 1 2 3 →