Influence of Film Roughness on the Soft Magnetic Properties of Fe/Ni Multilayers

骆志远; 唐佳; 马斌; 张宗芝; 金庆原; 王建平

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Influence of Film Roughness on the Soft Magnetic Properties of Fe/Ni Multilayers

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摘要

The influence of surface/interface roughness on the magnetic properties of Fe/Ni multilayers is investigated.Two methods are employed to tune the film roughness:one varies the substrate temperature,and the other pre-deposits a Ag underlayer on the MgO substrate.For films with higher roughness,a marked rise in coercivity is observed.Three factors are discussed to be mainly responsible for the coercivity rise,involving the formation of pinholes,the reduction of exchange coupling between Fe and Ni layers,and Fe-Ni alloying at interfaces.

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来源
《中国物理快报：英文版》 |2012年第12期|200-203|共4页
作者
骆志远; 唐佳; 马斌; 张宗芝; 金庆原; 王建平;
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作者单位

Key Laboratory of Micro and Nano Photonic Structures(Ministry of Education);

and Department of Optical Science and Engineering;

Fudan University;

Shanghai 2004332The Center for Micromagnetics and Information Technologies(MINT);

and Department of Electrical and Computer Engineering;

University of Minnesota;

Minneapolis;

MN 55455;

USA;

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原文格式 PDF
正文语种 chi
中图分类金属学与热处理;
关键词
alloying; roughness; interface;

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Influence of Film Roughness on the Soft Magnetic Properties of Fe/Ni Multilayers

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