| Issue |
Europhys. Lett.
Volume 43, Number 6, September II 1998
|
|
|---|---|---|
| Page(s) | 713 - 718 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00422-6 | |
| Published online | 01 September 2002 | |
What happens at the temperature-dependent magnetic order-disorder transition in Fe/Cu(001)?
Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany
Received:
14
April
1998
Accepted:
24
July
1998
The magnetic order-disorder transition induced by a temperature-driven structural
transformation from tetragonal to cubic at about 4 ML Fe/Cu(001) was studied
in detail by means of ferromagnetic resonance in situ. From the unusual temperature
dependence of the magnetisation, spin fluctuations and magnetic anisotropy
energy we find that the structural transformation occurs over the full layer
thickness and is not limited to a surface layer. Face-centred tetragonal
patches decrease in volume and are completely transformed to fcc Fe above
. A positive and large volume and surface anisotropy was determined
as well as the temperature dependence of the uniaxial anisotropy for the
tetragonally distorted thickness range (
).
PACS: 75.70.Ak – Magnetic properties of monolayers and thin films / 68.55.-a – Thin film structure and morphology / 76.50.+g – Ferromagnetic, antiferromagnetic, and ferrimagnetic resonances; spin-wave resonance
© EDP Sciences, 1998
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