Tamene R. Dasa, Valeri S. Stepanyuk
Published 2018-08-19Version 1
Understanding the nature of magnetic interactions in ultra-small magnetic ensembles and their intrinsic properties is vital to uncover the dynamics therein. In this study we reveal the spin dynamics of hexagonally arranged Fe atoms on metallic surface that are triggered by magnetic pulse. The switching process among various spin configurations and their relative magnetic order is tuned by the amplitude and duration of the magnetic pulse. Even more we observe a parity effect in the switching time as the size of the cluster varies in which even number of Fe atoms shows faster dynamics. The changes in the multistable magnetic states and switching times are explained by using the relaxation of the exchange and anisotropy energies in time.
Entanglement manipulation by a magnetic pulse in Gd3N@C80 endohedral metallofullerenes on a Cu(001) surface
In-plane magnetic anisotropy of Fe atoms on Bi$_2$Se$_3$(111)
Absorption of Energy at a Metallic Surface due to a Normal Electric Field
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