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	Microstructure evolution and electromagnetic properties improvement of Al(18)B(4)O(33)w/Co composite powders through heat-treatment
	Zhen, L. ; Jiang, J. T. ; Gao, R. S. ; Xu, C. Y. ; Shao, W. Z.
	2010-10-12 ; 2010-10-12
关键词	Al(18)B(4)O(33)w/Co composite powders Electroless plating Heat-treatment Microstructure evolution Electromagnetic properties MAGNETIC-PROPERTIES THIN-FILMS PARTICLES PERMEABILITY COATINGS Materials Science, Multidisciplinary Physics, Condensed Matter
中文摘要	Al(18)B(4)O(33)w/Co composite powders were prepared through electroless depositing Co on Al18B4O33 whiskers and the microstructure of the prepared composite powders was adjusted through heat-treatment. The included Co oxide is reduced and the density as well as the crystal perfection of the coatings is improved when annealed at 400 degrees C in H-2 atmosphere. An increase of 10(5)Sm(-1) in conductivity together with an increase of 28% in M-s is obtained, resulting in a prominent increase of the permittivity and the permeability. The increase of permittivity, specifically the dielectric relaxation is attributed to the increase of conductivity. The increase of permeability is attributed to the increase of Ms and the microstructure evolution. The increase of electromagnetic parameters in 2-18GHz band is believed to enhance the electromagnetic wave absorbing performance of the Al(18)B(4)O(33)w/Co composite powders. (C) 2008 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78418]
专题	清华大学
推荐引用方式 GB/T 7714	Zhen, L.,Jiang, J. T.,Gao, R. S.,et al. Microstructure evolution and electromagnetic properties improvement of Al(18)B(4)O(33)w/Co composite powders through heat-treatment[J],2010, 2010.
APA	Zhen, L.,Jiang, J. T.,Gao, R. S.,Xu, C. Y.,&Shao, W. Z..(2010).Microstructure evolution and electromagnetic properties improvement of Al(18)B(4)O(33)w/Co composite powders through heat-treatment..
MLA	Zhen, L.,et al."Microstructure evolution and electromagnetic properties improvement of Al(18)B(4)O(33)w/Co composite powders through heat-treatment".(2010).

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