Aitchison, P.R., Chapman, J.N., Gehanno, V., Weir, I.S., Scheinfein, M.R., McVitie, S. and Marty, A. (2001) High resolution measurement and modelling of magnetic domain structures in epitaxial FePd (001) L1(0) films with perpendicular magnetisation. Journal of Magnetism and Magnetic Materials, 223(2), 138 -146. (doi: 10.1016/S0304-8853(00)00524-2)
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Abstract
Magnetic domain structures in two 50 nm thick chemically- ordered FePd (001) epitaxial films with different perpendicular anisotropies have been studied using Lorentz microscopy. Domain and domain wall structures vary significantly according to the magnitude of the anisotropy. For lower anisotropy films, a stripe domain structure with a period of approximate to 100 nm is formed in which there is a near-continuous variation in orientation of the magnetisation vector. By contrast, in the film with higher anisotropy, a maze-like domain structure is supported. The magnetisation within domains is perpendicular to the film plane and adjacent domains are separated by narrow walls, less than 20 nm wide. Micromagnetic modelling is generally in good quantitative agreement with experimental observations and provides additional information on the domain wall structure.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McVitie, Professor Stephen and Chapman, Professor John |
| Authors: | Aitchison, P.R., Chapman, J.N., Gehanno, V., Weir, I.S., Scheinfein, M.R., McVitie, S., and Marty, A. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Journal of Magnetism and Magnetic Materials |
| ISSN: | 0304-8853 |
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