Journal
PHYSICA B-CONDENSED MATTER
Volume 403, Issue 2-3, Pages 402-404Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2007.08.060
Keywords
thin magnetic films; spiral spin structures; Dzyaloshinskii-Moriya interaction; multiscale
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We present a multiscale study of the formation of magnetic patterns in Mn monolayers deposited on W(0 0 1) and W(1 1 0) surfaces. We derive the parameters of an extended classical Heisenberg Hamiltonian from relativistic spin-polarized first principle calculations. By using these parameters we perform Monte Carlo simulations to explore the low-temperature spin structures. We find that the antisymmetric Dzyaloshinskii-Moriya interactions induce spin-spirals propagating along an in-plane axis with a wavelength of about 2.2 and 7.2 nm, respectively. (c) 2007 Elsevier B.V. All rights reserved.
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