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IOP Publishing, Journal of Physics: Condensed Matter, 49(25), p. 496002

DOI: 10.1088/0953-8984/25/49/496002

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Growth and micromagnetism of self-assembled epitaxial fcc(111) cobalt dots

Journal article published in 2013 by Olivier Fruchart ORCID, Aurélien Masseboeuf ORCID, Jean-Christophe Toussaint ORCID, Pascale Bayle-Guillemaud
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We developed the self-assembly of epitaxial submicrometer-sized face-centered-cubic (fcc) Co(111) dots using pulsed laser deposition. The dots display atomically-fl at facets, from which the ratios of surface and interface energies for fcc Co are deduced. Zero- field magnetic structures are investigated with magnetic force and lorentz microscopies, revealing vortex-based flux-closure patterns. A good agreement is found with micromagnetic simulations.