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Lifetime of skyrmions in discrete systems with infinitesimal lattice constant
M. N. Potkina, I. S. Lobanov, H. Jónsson +1
Topological protection of chiral magnetic structures is investigated by taking a two-dimensional magnetic skyrmion as an example. The skyrmion lifetime is calculated based on harmo…
Assessment of the Accuracy of Density Functionals for Calculating Oxygen Reduction Reaction on Nitrogen Doped Graphene
Björn Kirchhoff, Aleksei Ivanov, Egill Skúlason +3
Experimental studies of the oxygen reduction reaction (ORR) at nitrogen doped graphene electrodes have reported a remarkably low overpotential, on the order of 0.5 V, similar to Pt…
Mn Dimer can be Described Accurately with Density Functional Calculations when Self-interaction Correction is Applied
Aleksei V. Ivanov, Tushar K. Ghosh, Elvar Ö. Jónsson +1
Qualitatively incorrect results are obtained for the Mn dimer in density functional theory calculations using the generalized gradient approximation (GGA) and similar results are o…