Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 24, Issue 38, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0953-8984/24/38/386005
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Funding
- Polish Ministry of Science and Higher Education [N N202 259539]
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An in-plane spin reorientation transition in thin ferromagnetic films is discussed in terms of the thermodynamics of inhomogeneous low-dimensional systems based on a Neel sublattices concept while using a spin 1 Heisenberg Hamiltonian. The model allows us to investigate in a straightforward manner the layer-dependent phenomena. In this context, we propose a model of noncollinear magnetization structure based on the appropriate distribution of the anisotropy parameters inside the Fe films on W(110). The spin reorientation transition originates at the Fe/W(110) interface and proceeds via noncollinear magnetization structure toward the surface with increasing film thickness in accordance with the experimental findings. The temperature-driven spin reorientation transition in freestanding Fe films and in Fe/W(110) systems is also discussed in detail.
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