In situBrillouin scattering from surface-anisotropy-dominated Damon-Eshbach modes in ultrathin epitaxial Fe(110) layers
- 1 August 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (4) , 2450-2453
- https://doi.org/10.1103/physrevb.36.2450
Abstract
Epitaxially grown Fe(110) layers on W(110) with thicknesses between 8 and 150 Å have been investigated in situ by Brillouin scattering. Below 60 Å a so-far-unobserved strong increase of the frequency of the Damon-Eshbach mode by a factor of up to 3 has been found with decreasing layer thickness. This novel behavior is described quantitatively by a model, which takes explicitly into account magnetic surface anisotropies. An additional growth-induced uniaxial magnetic surface anisotropy due to steps in the Fe layer could be identified.Keywords
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