(001) textured CoPt-Ag nanocomposite films for high-density perpendicular magnetic recording
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AbstractCoPt/Ag nanocomposite films were prepared by magnetron sputtering. The dependence of texture and magnetic properties on film thickness, Ag atomic fraction and annealing conditions is investigated. Films with a thickness about 20 nm are easy to form with (0 0 1) orientation. The existence of the Ag in the film plays a dominant role in inducing the (0 0 1) texture of the film and suppressing the growth of the CoPt grains during annealing. The Co35Pt38Ag27 film after annealing at 600 degrees C exhibits a large perpendicular coercivity of 5.6 kOe and a squareness of 0.90 with a small average grains size of 12.5 nm. (C) 2006 Elsevier B.V. All rights reserved.
All Author(s) ListXue SX, Wang H, Wang HB, Yang F, Wang JA, Cao X, Gao Y, Huang ZB, Li ZY, Li Q, Wong SP
Journal nameJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Year2006
Month11
Day11
Volume Number306
Issue Number2
PublisherELSEVIER SCIENCE BV
Pages332 - 336
ISSN0304-8853
LanguagesEnglish-United Kingdom
KeywordsCoPt; magnetic recording; texture
Web of Science Subject CategoriesMaterials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY; Physics; Physics, Condensed Matter; PHYSICS, CONDENSED MATTER

Last updated on 2019-02-12 at 00:39