Growth of Co Nanomagnet Arrays with Enhanced Magnetic Anisotropy

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2016-09
Autor
Fernández, Laura
Ilyn, Maxim
Magaña Vicandi, Ana
Vitali, Lucia
Ortega Conejero, José Enrique ORCID
Schiller, Frederik
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Advanced Science 3(9) : (2016) // Article ID 1600187
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http://hdl.handle.net/10810/25148
Resumen
A trigon structure formed by submonolayer gadolinium deposition onto Au(111) is revealed as a robust growth template for Co nanodot arrays. Scanning Tunneling Microscopy and X-Ray Magnetic Circular Dichroism measurements evidence that the Co nanoislands behave as independent magnetic entities with an out-of-plane easy axis of anisotropy and enhanced magnetic anisotropy values, as compared to other self-organized Co nanodot superlattices. The large strain induced by the lattice mismatch at the interface between Co and trigons is discussed as the main reason for the increased magnetic anisotropy of the nanoislands.
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This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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