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	Preparation and magnetic properties of Y-type ferroxplana by sol-gel method
	Bai, Y ; Zhou, J ; Gui, ZL ; Li, LT
	2010-05-10 ; 2010-05-10
会议名称	HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2 ; 3rd China International Conference on High-Performance Ceramics (CICC-3) ; Shenzhen, PEOPLES R CHINA ; Web of Science ; INSPEC
关键词	Y-type ferroxplana sol-gel initial permeability low temperature sintering Materials Science, Ceramics Materials Science, Composites
中文摘要	The preparation and magnetic properties of Y-type ferroxplana were investigated. Y-type ferroxplana of composition Ba2Zn1.2-xCoxCu0.8Fe12O22 was prepared by citrate, sol-gel auto-combustion process. X varied from 0 to 1.2. Phase formation was characterized by powder X-ray diffraction (XRD). The microstructure was observed via scanning electron microscopy (SEM). The frequency spectra of initial permeability were measured via an impedance analyzer. Results reveal that a well-defined Y-type phase can be formed after the auto-combusted powders were annealed at 900degreesC. The synthesized nano-sized powder is very active and can be sintered well at 900degreesC. The sintered samples have fine-grained microstructure. The samples exhibit excellent magnetic properties in hyper-frequency. As zinc content increases, the initial permeability is enhanced and the cut-off frequency decreases.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; ZURICH-UETIKON ; BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18294]
专题	清华大学
推荐引用方式 GB/T 7714	Bai, Y,Zhou, J,Gui, ZL,et al. Preparation and magnetic properties of Y-type ferroxplana by sol-gel method[C]. 见:HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 3rd China International Conference on High-Performance Ceramics (CICC-3), Shenzhen, PEOPLES R CHINA, Web of Science, INSPEC.

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