Investigation of time dependent effects in the magnetization processes of YxSm(1-x)Co(3)Cu(2) alloys

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	Investigation of time dependent effects in the magnetization processes of YxSm(1-x)Co(3)Cu(2) alloys
	P. Z. Si; R. S. Turtelli; R. Grossinger; A. Reissner; M. Kuepferling; Z. D. Zhang
	2004
发表期刊	Journal of Alloys and Compounds
ISSN	0925-8388
卷号	379 期号:1-2 页码:82-86
摘要	The magnetic viscosity coefficient in YxSm1-xCO3Cu2 alloys, with x = 0. 0.25, 0.5, 0.75, and 1, was determined from measurements of the magnetization reversal relaxation close to the coercive field using a vibrating sample magnetometer and from the coercive field relaxation by the sweep-rate method using a pulse-field magnetometer, respectively. The coercive field and the magnetic viscosity coefficient, as determined from both methods, decrease with increasing yttrium concentration. However, the magnetic viscosity coefficient obtained from magnetization relaxation is always smaller (about six times) than that obtained by means of pulsed field measurements. These results are explained on the basis of different time windows of the measurements, proving different flat distributions of energy barriers due to a complex distribution of activation energies. (C) 2004 Elsevier B.V. All rights reserved.
部门归属	chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. vienna univ technol, inst solid state phys, a-1040 vienna, austria.;si, pz (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;pzsi@imr.ac.cn
关键词	Magnetic Viscosity Hard Magnetic Materials Pulsed-fields Viscosity Fields
URL	查看原文
WOS记录号	WOS:000224132600016
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/35547
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	P. Z. Si,R. S. Turtelli,R. Grossinger,et al. Investigation of time dependent effects in the magnetization processes of YxSm(1-x)Co(3)Cu(2) alloys[J]. Journal of Alloys and Compounds,2004,379(1-2):82-86.
APA	P. Z. Si,R. S. Turtelli,R. Grossinger,A. Reissner,M. Kuepferling,&Z. D. Zhang.(2004).Investigation of time dependent effects in the magnetization processes of YxSm(1-x)Co(3)Cu(2) alloys.Journal of Alloys and Compounds,379(1-2),82-86.
MLA	P. Z. Si,et al."Investigation of time dependent effects in the magnetization processes of YxSm(1-x)Co(3)Cu(2) alloys".Journal of Alloys and Compounds 379.1-2(2004):82-86.