A Study of the Oxygen Effect on the Properties of Magnetic Anisotropy of Co Nanowires on the Cu(210) Surface: An Ab Initio Approachстатья
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Дата последнего поиска статьи во внешних источниках: 27 ноября 2016 г.
Аннотация:The magnetic properties of Co nanowires on pure and oxygenreconstructed Cu(210) surfaces
have been investigated using ab initio density functional theory methods. The performed calculations have
demonstrated that the studied nanowires on a pure Cu(210) surface have a high magnetic moment and a low
magnetic anisotropy energy. However, the analysis of the influence of the oxygen reconstruction of the copper
surface has revealed that Co nanowires on the oxidized (2 × 1)O–Cu(210) surface are characterized by a sig
nificant increase in the magnetic anisotropy energy due to the change in the projection of the orbital angular
momentum of Co atoms after the oxygen adsorption on the surface. In this case, the oxygen reconstruction
of the copper surface leads to a change of the magnetization easy axis direction, which is consistent with the
experimental data on the selforganizing growth of Co nanowires on the nitrided Cu(210) surface.