Metaxas, P.J., Stamps, R.L. , Jamet, J.-P., Ferré, J., Baltz, V. and Rodmacq, B. (2011) Expansion and relaxation of magnetic mirror domains in a Pt/Co/Pt/Co/Pt multilayer with antiferromagnetic interlayer coupling. Journal of Physics: Condensed Matter, 24(2), 024212. (doi: 10.1088/0953-8984/24/2/024212)
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Publisher's URL: http://dx.doi.org/10.1088/0953-8984/24/2/024212
Abstract
We detail measurements of field-driven expansion and zero-field relaxation of magnetic mirror domains in antiferromagnetically coupled perpendicularly magnetized ultrathin Co layers. The zero-field stability of aligned ('mirror') domains in such systems results from non-homogeneous dipolar stray fields which exist in the vicinity of the domain walls. During field-driven domain expansion, we evidence a separation of the domain walls which form the mirror domain boundary. However, the walls realign, thereby reforming a mirror domain, if their final separation is below a critical distance at the end of the field pulse. This critical distance marks the point at which the effective net interaction between the walls changes from attractive to repulsive.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Stamps, Professor Robert |
Authors: | Metaxas, P.J., Stamps, R.L., Jamet, J.-P., Ferré, J., Baltz, V., and Rodmacq, B. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Journal of Physics: Condensed Matter |
Journal Abbr.: | J. Phys.: Condens. Matter |
Publisher: | IOP Publishing Ltd |
ISSN: | 0953-8984 |
ISSN (Online): | 1361-648X |
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