| Issue |
Europhys. Lett.
Volume 48, Number 6, December 1999
|
|
|---|---|---|
| Page(s) | 692 - 698 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00540-7 | |
| Published online | 01 September 2002 | |
Proximity effect in exchange-coupled 
superlattices
Institut für Experimentalphysik/Festkörperphysik, Ruhr-Universität Bochum - Germany
Received:
5
July
1999
Accepted:
19
October
1999
Using temperature-dependent measurements of the magneto-optical Kerr effect (MOKE) we map out a magnetic phase diagram of Fe/Cr(001) superlattices with Cr-thicknesses between 10 to 45 Å in a temperature range from 10 to 700 K. By comparison with neutron scattering results, we demonstrate the strong correlation between different magnetic phases of the Cr interlayers and the coupling between the Fe layers. We find an enhancement of the Cr Neél temperature as we reduce the Cr thicknesses, indicating a strong proximity effect between the Fe and Cr layers.
PACS: 75.70.-i – Magnetic films and multilayers / 75.30.Fv – Spin density waves / 7525.+z – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron source X-ray scattering, etc.)
© EDP Sciences, 1999
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