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Design of mesostructured gamma-Fe2O3/carbon nanocomposites for electromagnetic wave absorption applications
Zhou, Jianhua1,2; He, Jianping2; Wang, Tao2; Li, Guoxian2; Guo, Yunxia2; Zhao, Jianqing2; Ma, Yiou2
2011-08-11
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume509Issue:32Pages:8211-8214
AbstractWe propose and demonstrate a scheme to enhance microwave absorption property through mesoporous structure with high regularity. The mesostructured nanocomposites, embedding gamma-Fe2O3 within carbon matrix, exhibit a strong and broadband attenuation of microwave in the frequency range of 0.5-18 GHz, mainly due to the better impedance matching. C-2Fe-900 exhibits strong absorption characteristics with an absorption peak of -32.0 dB at 6.4 GHz. The absorption peak intensity and position can be adjusted by changing the matching thickness of the coating. Reflection loss below -10 dB (i.e., absorption above 90%) is obtained in the frequency range of 1.9-10.7 GHz. (C) 2011 Elsevier B. V. All rights reserved.
SubtypeArticle
KeywordMesostructure Microwave Absorption Impedance Matching Magnetic Properties
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2011.05.042
WOS Subject ExtendedChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordMICROWAVE-ABSORPTION ; MESOPOROUS CARBONS ; COMPOSITES ; SILICA ; NANOTUBES ; BAND
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000292502100013
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10345
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Jianhua,He, Jianping,Wang, Tao,et al. Design of mesostructured gamma-Fe2O3/carbon nanocomposites for electromagnetic wave absorption applications[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2011,509(32):8211-8214.
APA Zhou, Jianhua.,He, Jianping.,Wang, Tao.,Li, Guoxian.,Guo, Yunxia.,...&Ma, Yiou.(2011).Design of mesostructured gamma-Fe2O3/carbon nanocomposites for electromagnetic wave absorption applications.JOURNAL OF ALLOYS AND COMPOUNDS,509(32),8211-8214.
MLA Zhou, Jianhua,et al."Design of mesostructured gamma-Fe2O3/carbon nanocomposites for electromagnetic wave absorption applications".JOURNAL OF ALLOYS AND COMPOUNDS 509.32(2011):8211-8214.
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