NDLI: Thickness Dependence of (001) Texture Evolution and Magnetic Properties of Sputter-Deposited FePt:MgO Nanocomposite Films

Content Provider	IEEE Xplore Digital Library
Author	Han Jae Kim Kisoo Kim Seong-Rae Lee Won Young Jeung
Copyright Year	1965
Abstract	We investigate the effect of the number of bilayers (total film thickness) on the (001) texture development, L1₀ ordering reaction and magnetic properties in multilayered [FePt/MgO]₆ films that were sputter deposited on thermally oxidized Si substrates. We obtained nearly perfectly L1₀ (001) oriented nanocomposite films when the initial multilayer structure was [FePt 2.8 nm/MgO 3.2 nm]₆ and the total film thickness was 36 nm. When the film thickness was thicker than about 36 nm or the film was overaged, the grain orientation of the film developed in a random direction. The evolution of the (001) texture was favorable when the total film thickness was thin enough for the strain generated during the ordering transformation to relax in the plane normal direction, thus satisfying the plane stress condition. In addition, the disordered fcc FePt (200) texture grown on (200)-textured MgO in the as-deposited state also affected the L1₀ (001) texture evolution.
Sponsorship	IEEE Magnetics Society
Starting Page	3535
Ending Page	3538
Page Count	4
File Size	373167
File Format	PDF
ISSN	00189464
Volume Number	44
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic properties Magnetic films Semiconductor films Materials science and technology Substrates Sputtering Magnetic multilayers Capacitive sensors Buffer layers Superconducting magnets (001) texture FePt MgO nanocomposite thickness
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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