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Excellent microwave-absorption performances by matched magnetic-dielectric properties in double-shelled Co/C/polyaniline nanocomposites
Jiang, Linwen; Wang, Zhenhua; Li, Da; Geng, Dianyu; Wang, Yu; An, Jing; He, Jun; Liu, Wei; Zhang, Zhidong; zhwang@imr.ac.cn
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:50Pages:40384-40392
AbstractDouble-shelled Co/C/polyaniline (Co/C/PA) nanocomposites were prepared by combining the arcdischarge process and in situ chemical oxidative polymerization reaction. The effects of PA shells on the magnetic properties of Co/C/PA nanocomposites were studied, and the electromagnetic properties of Co/C/PA-paraffin composites were investigated in the 2-18 GHz frequency range. The reflection loss (RL) exceeding -10 dB is obtained in 9.9-16.4 GHz for an absorber thickness of 2.5 mm, which covers almost half of the X-band (8-12 GHz) and most of the Ku-band (12-18 GHz). Moreover, some strong absorption peaks exceeding -40 dB can be observed in the low-frequency range (3.5-5.5 GHz). These excellent absorbing performances show that the Co/C/PA nanocomposites have great potential for application in a microwave-absorption field for their strong absorption and broad bandwidth.
description.department[jiang, linwen ; wang, zhenhua ; li, da ; geng, dianyu ; liu, wei ; zhang, zhidong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [wang, yu ; an, jing ; he, jun] cent iron & steel res inst, div funct mat res, beijing 100081, peoples r china
Funding OrganizationNational Basic Research Program of China [2012CB933103]; Ministry of Science and Technology, China; National Nature Science Foundation of China [51102244, 51171185, 51371055]; International S&T Cooperation Program of China [2012DFA51300]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74837
Collection中国科学院金属研究所
Corresponding Authorzhwang@imr.ac.cn
Recommended Citation
GB/T 7714
Jiang, Linwen,Wang, Zhenhua,Li, Da,et al. Excellent microwave-absorption performances by matched magnetic-dielectric properties in double-shelled Co/C/polyaniline nanocomposites[J]. RSC ADVANCES,2015,5(50):40384-40392.
APA Jiang, Linwen.,Wang, Zhenhua.,Li, Da.,Geng, Dianyu.,Wang, Yu.,...&zhwang@imr.ac.cn.(2015).Excellent microwave-absorption performances by matched magnetic-dielectric properties in double-shelled Co/C/polyaniline nanocomposites.RSC ADVANCES,5(50),40384-40392.
MLA Jiang, Linwen,et al."Excellent microwave-absorption performances by matched magnetic-dielectric properties in double-shelled Co/C/polyaniline nanocomposites".RSC ADVANCES 5.50(2015):40384-40392.
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