Surface and internal magnetic domain structures of Fe-Ga alloy rods

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	Surface and internal magnetic domain structures of Fe-Ga alloy rods
	Han, YN ; Li, YS ; Han, XF ; Yu, DB
刊名	SCIENCE CHINA-TECHNOLOGICAL SCIENCES
	2013
卷号	56 期号:1 页码:36
关键词	Galfenol polycrystal magnetic force microscopy magnetic domains thermal treatment magnetostriction
ISSN号	1674-7321
通讯作者	Han, YN (reprint author), Hunan Univ Sci & Technol, Sch Phys & Elect Sci, Xiangtan 411201, Peoples R China.
中文摘要	The magnetic domain structures of the < 100 > oriented Fe81Ga19 polycrystalline alloys with rapid quenching (RQ) and post-annealing (PA) thermal treatments are investigated by using magnetic force microscopy (MFM). The surfaces of the RQ alloy rods take on the dendritic domains after undergoing a standard mechanical polishing. While after PA processing, the distinct domain structures are observed at different temperatures. The wide stripe-like domain patterns appear in the surface of those PA rods at 550 degrees C while the ramous domains remain at 400 degrees C annealing. X-ray diffraction patterns indicate that a thin iron layer is formed on the surface of the specimens annealed at higher temperature. The soft magnetic iron layer, actually acting as a shield for the stray fields emerging from the internal magnetic structures underneath, brings about the presentation of the wide internal domains.
资助信息	Hunan Provincial Science and Technology Department of China [2012WK3032]
语种	英语
公开日期	2014-01-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/57526]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Han, YN,Li, YS,Han, XF,et al. Surface and internal magnetic domain structures of Fe-Ga alloy rods[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2013,56(1):36.
APA	Han, YN,Li, YS,Han, XF,&Yu, DB.(2013).Surface and internal magnetic domain structures of Fe-Ga alloy rods.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,56(1),36.
MLA	Han, YN,et al."Surface and internal magnetic domain structures of Fe-Ga alloy rods".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 56.1(2013):36.