Journal
MATERIALS & DESIGN
Volume 33, Issue -, Pages 413-418Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2011.04.042
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Funding
- Innovation Foundation of China Aerospace Science and Technology [CASC200906]
- Specialized Research Fund for the Doctoral Program of Higher Education [20096102120016]
- Natural Science Foundation of Shaanxi Province [2009GM6001-1]
- Foundation for Fundamental Research of Northwestern Polytechnical University [JC201030]
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The design of double-layer structure could improve the absorbing properties of electromagnetic (EM) wave absorbing composites. Doping of rare metal (RM) could enhance the EM wave absorbing capability of the multi-walled carbon nanotubes (MWCNTs). In this paper, the polymer matrix composites with the different RM-doped MWCNTs and the pure MWCNTs as the absorber in the first and second layer respectively was fabricated (4 mm in thickness). The EM wave absorbing properties of these composites were studied. The results show all reflection loss curves of these composites have two absorption peaks in the frequency range of 2-18 GHz, and the reflection loss (<-10 dB) of the MWCNTs doped Ni is the widest from the absorption bandwidth (maximum is 5.28 GHz), relatively. (C) 2011 Elsevier Ltd. All rights reserved.
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