| Issue |
Europhys. Lett.
Volume 65, Number 4, February 2004
|
|
|---|---|---|
| Page(s) | 560 - 566 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-10111-6 | |
| Published online | 01 February 2004 | |
Direct observation of the interlayer exchange coupling
mechanism in a magnetic [
] multilayer
1
Institut für Festkörperforschung, Forschungszentrum Jülich - 52425 Jülich, Germany
2
Ames Laboratory-US DOE and Department of Physics and Astronomy Iowa State University - Ames, IO 50011, USA
3
Institute Laue-Langevin - BP 156, F-38042 Grenoble Cedex 9, France
Received:
15
October
2003
Accepted:
3
December
2003
Proximity effects in an [
] superlattice lead
to the formation of new magnetic phases. Modulated magnetic
order, expected for pure 
, and ferromagnetic order,
expected for pure 
, coexist at low temperatures.
Employing X-ray resonance exchange scattering, we could probe
directly the respective spin polarisations of the conduction band
electrons, providing a mechanism for the interlayer coupling. The
different anisotropies of and compete with
this tendency to long-range magnetic order, leading to substantial
thermal-hysteresis effects.
PACS: 75.75.+a – Magnetic properties of nanostructures / 75.25.+z – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source X-ray scattering, etc.) / 61.18.Fs – Magnetic resonance techniques; Mössbauer spectroscopy
© EDP Sciences, 2004
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