Wang, Y. and Petford-Long, A.K. (2004) Magnetization reversal in the pinned layer of CoFe/PtMn bilayers. Journal of Magnetism and Magnetic Materials, 279(1), pp. 82-90. (doi: 10.1016/j.jmmm.2004.01.049)
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Publisher's URL: http://dx.doi.org/10.1016/j.jmmm.2004.01.049
Abstract
The magnetization reversal of the ferromagnetic (FM) layer in CoFe/PtMn exchange-coupled bilayer films has been investigated using bulk magnetometry. These films exhibit very complex angular dependence and the easy axis is perpendicular to the field applied during deposition and post-annealing. Holding the film at negative saturation of the FM layer for up to 17 h results in no change in the exchange field. We believe that this is a thermally stable exchange-coupled system. Only limited thermal activation with a small time constant appears and no thermally activated reversal of the antiferromagnetic layer with a large time constant exits.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | UNSPECIFIED |
| Authors: | Wang, Y., and Petford-Long, A.K. |
| 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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