Spin valve magnetization reversal obtained by N-doping in Fe/insulator/Fe trilayers
Georgieva, MT, Telling, ND, Jones, GA, Grundy, PJ, Hase, TPA and Tanner, BK 2003, 'Spin valve magnetization reversal obtained by N-doping in Fe/insulator/Fe trilayers' , Journal of Physics: Condensed Matter, 15 (4) , pp. 617-624.
Full text not available from this repository. (Request a copy)Abstract
The effect of N-doping on the microstructure and coercivity of the ‘free’ Fe layer in Fe/insulator/Fe trilayers has been examined. Itwas found thatN-doping leads to a magnetic softening of the Fe layer and a corresponding reduction in the grain size. Hard/soft spin-valve trilayers, showing good independent layer reversal, were obtained using N-doped and undoped Fe layers. Ferromagnetic interlayer coupling was found in these trilayers that could be well described by a N´eel coupling mechanism. Nonuniform reversal of the harder Fe layer, once incorporated in the trilayer, was also observed and could be reproduced using a simple model in which local variations in the interlayer coupling energy are considered. Such variations are likely to be caused by structural inhomogeneity in the films. N-doping is potentially important as a method for tailoring the coercivity of the ‘free’ layer in spin-valves comprising high-polarization magnetic materials.
| Item Type: | Article |
|---|---|
| Themes: | Subjects / Themes > Q Science > QC Physics Subjects outside of the University Themes |
| Schools: | Colleges and Schools > College of Science & Technology Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre |
| Journal or Publication Title: | Journal of Physics: Condensed Matter |
| Publisher: | Institute of Physics |
| Refereed: | Yes |
| ISSN: | 09538984 |
| Depositing User: | H Kenna |
| Date Deposited: | 05 Sep 2007 11:23 |
| Last Modified: | 27 Sep 2011 12:28 |
| URI: | http://usir.salford.ac.uk/id/eprint/391 |
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