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標題: Magnetic properties and microstructure of x/FePt (x = Ge, GePt) bilayer
作者: Tsai, J.L.
Hsu, C.J.
Hsu, C.W.
Chen, S.K.
Chang, W.C.
關鍵字: Coercivity;Diffusion;Ge(3)Pt(2) underlayer
Project: Journal of Magnetism and Magnetic Materials
期刊/報告no:: Journal of Magnetism and Magnetic Materials, Volume 304, Issue 1, Page(s) E65-E67.
We have investigated the effect of Ge, GePt underlayers on the formation of ordered L1(0) FePt films. With Ge underlayer, the Ge(3)Pt(2) compound was formed during post-annealing at 400 degrees C for 1 h. Interlayer diffusion of Ge and FePt layer suppress the formation of ordered L1(0) FePt phase. With Ge(2)Pt(3) underlayer, the FePt film was ordered at 350 degrees C and the in-plane coercivity was 5.1 kOe. The ordering temperature was reduced to about 50 degrees C compared to the single-layer FePt film. (C) 2006 Elsevier B.V. All rights reserved.
ISSN: 0304-8853
DOI: 10.1016/j.jmmm.2006.01.181
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