Thickness dependence of microstructures and magnetic properties for CoPt/Ag nanocomposite thin films
Resource
Thin Solid Films, 518(24), 7356-7359
Journal
Thin Solid Films
Pages
7356-7359
Date Issued
2010
Date
2010
Author(s)
Shen, C.L.
Kuo, P.C.
Li, Y.S.
Lin, G.P.
Ou, S.L.
Huang, K.T.
Chen, S.C.
Abstract
Ag underlayer (30 nm) has improved the degree of ordering and perpendicular magnetic anisotropy of CoPt films (7.5-10 nm). After annealing at 600 °C and 700 °C, the perpendicular coercivity of CoPt/Ag films has been raised as the thicknesses of CoPt layers are increased. The magnetic easy axis of CoPt/Ag films would change from a random orientation to an out-of-plane orientation. It is found that Ag underlayer with thickness of 30 nm can improve the perpendicular magnetic properties of CoPt layers with thicknesses in the range of 7.5-10 nm. The CoPt/Ag films would be a candidate for perpendicular magnetic recording media. Crown Copyright © 2010 Published by Elsevier B.V. All rights reserved.
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Type
journal article
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