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Beneficial Effects of Si3N4 Buffer/Spacer Layers on the Magnetic Properties of Exchange-Coupled PtFe/Fe Composite Films
W. B. Cui; W. J. Gong; X. G. Zhao; C. W. Shih; W. Liu; Z. D. Zhang
2013
Source PublicationIeee Transactions on Magnetics
ISSN0018-9464
Volume49Issue:7Pages:3656-3659
AbstractExchange-coupled PtFe/Fe composite films have been prepared with Si3N4 as spacer layer and buffer layer. The coercivity generally decreases with increasing thickness of the Fe layer at fixed thickness of the Si3N4 spacer layer. At fixed thickness of Fe the layer, the coercivity shows a maximum and then declines with increasing thickness of the Si3N4 spacer layer because Si3N4 layer is too thin to play a role of separation. However, the magnetic properties are significantly enhanced by a Si3N4 buffer layer, which is proposed to be due to effective prevention of diffusion between Mo and PtFe phase, as indicated by microstructure images. Fine grain sizes estimated to be about 30 nm, an enhanced coercivity and better remanence ratio indicate the beneficial effects of Si3N4 buffer layer on the magnetic properties and on the exchange-coupling of PtFe/Fe composite films.
description.department[cui, w. b. ; gong, w. j. ; zhao, x. g. ; liu, w. ; zhang, z. d.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [cui, w. b. ; gong, w. j. ; zhao, x. g. ; liu, w. ; zhang, z. d.] chinese acad sci, inst met res, int ctr mat phys, shenyang 110016, peoples r china. [zhao, x. g. ; shih, c. w.] natl chung cheng univ, dept phys, chiayi 62102, taiwan. ; liu, w (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; wliu@imr.ac.cn
KeywordBuffer/spacer Layer Exchange-coupling Fept Recording Media Fept Thin-films Coercivity Underlayer Size
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71179
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
W. B. Cui,W. J. Gong,X. G. Zhao,et al. Beneficial Effects of Si3N4 Buffer/Spacer Layers on the Magnetic Properties of Exchange-Coupled PtFe/Fe Composite Films[J]. Ieee Transactions on Magnetics,2013,49(7):3656-3659.
APA W. B. Cui,W. J. Gong,X. G. Zhao,C. W. Shih,W. Liu,&Z. D. Zhang.(2013).Beneficial Effects of Si3N4 Buffer/Spacer Layers on the Magnetic Properties of Exchange-Coupled PtFe/Fe Composite Films.Ieee Transactions on Magnetics,49(7),3656-3659.
MLA W. B. Cui,et al."Beneficial Effects of Si3N4 Buffer/Spacer Layers on the Magnetic Properties of Exchange-Coupled PtFe/Fe Composite Films".Ieee Transactions on Magnetics 49.7(2013):3656-3659.
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