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Polesya, S.; Mankovsky, S.; Ködderitzsch, D.; Bensch, W.; Ebert, H. (2016): Dzyaloshinskii-Moriya interactions and magnetic texture in Fe films deposited on transition-metal dichalcogenides. In: Physica Status Solidi-Rapid Research Letters, Vol. 10, Nr. 3: S. 218-221
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Abstract

The magnetic properties of materials based on two-dimensional transition-metal dichalcogenides (TMDC), namely bulk Fe1/4TaS2 compound as well as TMDC monolayers with deposited Fe films, have been investigated by means of first-principles DFT calculations. Changing the structure and the composition of these two-dimensional systems resulted in considerable variations of their physical properties. For the considered systems the Dzyaloshinskii-Moriya (DM) interaction has been determined and used for the subsequent investigation of their magnetic structure using Monte Carlo simulations. Rather strong DM interactions as well as large vertical bar D-01 vertical bar/J(01) ratios have been obtained in some of these materials, which can lead to the formation of skyrmionic structures varying with the strength of the applied external magnetic field. (C) 2016 Wiley-Blackwell Verlag GmbH & Co. KGaA, Weinheim