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The influence of weak links on magnetic ordering in layered structures
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Hjorvarsson, Bjorgvin, Kudasov, Yu., Wolff, M., Hase, Thomas P. A., Chacon, C., Kampen, M. van, Nordblad, P., Liebig, A. and Zabel, H. (2008) The influence of weak links on magnetic ordering in layered structures. EPL (Europhysics Letters), Vol.81 (No.1). p. 17008. doi:10.1209/0295-5075/81/17008
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Official URL: http://dx.doi.org/10.1209/0295-5075/81/17008
Abstract
We discuss the magnetic ordering in layered magnets with two different inherent ordering temperatures. A [V(12 ML)Fe(2 ML)/V(12 ML)(/Fe(3 ML)]70 superlattice with antiferromagnetic interlayer exchange coupling is used for this purpose. The more rapid decrease of the magnetic moment in the 2 monolayer thick Fe layers influences the ordering in a non-trivial way. A distribution of the effective ordering temperature is inferred, originating from a more rapid decrease of the magnetic moment in the near-surface region, as compared to the interior of the sample. The results clearly demonstrate the need to consider all energy and length scales when addressing ordering in materials with finite extension.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Order-disorder models, Magnetism | ||||
| Journal or Publication Title: | EPL (Europhysics Letters) | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 0295-5075 | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Vol.81 | ||||
| Number: | No.1 | ||||
| Page Range: | p. 17008 | ||||
| DOI: | 10.1209/0295-5075/81/17008 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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