Study on the electromagnetic propertiesof a coated radar absorbent

doi:10.1088/1674-1056/21/6/065101

Abstract The sol-gel method is used to fabricate Fe crystalline powders coated with SiO₂. By controlling the molar ratio R of diluted water to tetraethoxysilane (TEOS), Fe powders coated with SiO₂ with different morphological characteristics are fabricated. The influence of the core diameter on electromagnetic parameters is investigated. The effect of the amount of the coating material SiO₂ on electromagnetic parameters is given. Radar wave absorbing properties of Fe coated with SiO₂ and TiO₂ respectively are compared.

Keywords: coated absorbent effective electromagnetic coefficient

Received: 26 October 2011
Revised: 01 December 2011
Accepted manuscript online:

PACS:	51.60.+a	(Magnetic properties)
	75.47.Pq	(Other materials)
	75.50.-y	(Studies of specific magnetic materials)

Fund: Project supported by the National Defence Pre-Research Foundation of China (Grant No. ZLY2008415).

Corresponding Authors: Zhang Shuan-Qin
E-mail: fcwzsq@163.com

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Zhang Shuan-Qin(张栓勤) Study on the electromagnetic propertiesof a coated radar absorbent 2012 Chin. Phys. B 21 065101

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