Publication
Title
Tunable stress induced magnetic domain configuration in FePt thin films
Author
Abstract
 We present a study of the magnetic properties of chemically disordered ferromagnetic FePt films of 100 nm thickness that have been grown by sputtering with different Ar pressures ($3\ \text{mTorr}\leqslant {{P}_{\text{Ar}}}\leqslant 13$ mTorr). We found that the residual stress can be controlled by the sputtering pressure, which in turn allows to tune the perpendicular magnetic anisotropy due to magnetoelastic effects. Films deposited at lower Ar pressures display an in-plane compressive stress that favors an out of plane component of the magnetization and the formation of a magnetic domain structure in the form of stripes. For higher pressures the stress is relaxed and the magnetic configuration changes to planar domains. These results show the possibility to accurately tune the initial magnetic state in films with potential applications in magnetoelectrically coupled devices.
Language
English
Source (journal)
Journal of physics: D: applied physics. - London
Publication
London : 2015
ISSN
0022-3727
Volume/pages
48:40(2015), 10 p.
Article Reference
405003
ISI
000362006400004
Medium
E-only publicatie
Full text (Publisher's DOI)
Full text (open access)
Full text (publisher's version - intranet only)
UAntwerpen
 Faculty/Department Research group Publication type Subject Affiliation Publications with a UAntwerp address
External links
 Web of Science
Record
 Identification Creation 19.02.2016 Last edited 07.09.2017 To cite this reference