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(0 0 1) textured CoPt-Ag nanocomposite films for high-density perpendicular magnetic recording

Xue, S.X. ; Wang, H. ; Wang, H.B. ; Yang, F.J. ; Wang, J.A. ; Cao, X. ; Gao, Y. ; Huang, Z.B. ; Li, Z.Y. ; Li, Q. ; Wong, S.P.

Journal of magnetism and magnetic materials, 2006-11, Vol.306 (2), p.332-336 [Periódico revisado por pares]

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Título:
(0 0 1) textured CoPt-Ag nanocomposite films for high-density perpendicular magnetic recording
Autor: Xue, S.X. ; Wang, H. ; Wang, H.B. ; Yang, F.J. ; Wang, J.A. ; Cao, X. ; Gao, Y. ; Huang, Z.B. ; Li, Z.Y. ; Li, Q. ; Wong, S.P.
Assuntos: Condensed matter: electronic structure, electrical, magnetic, and optical properties ; CoPt ; Exact sciences and technology ; Magnetic properties and materials ; Magnetic properties of nanostructures ; Magnetic recording ; Magnetic recording materials ; Physics ; Studies of specific magnetic materials ; Texture
É parte de: Journal of magnetism and magnetic materials, 2006-11, Vol.306 (2), p.332-336
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: CoPt/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 Co 35Pt 38Ag 27 film after annealing at 600 °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.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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