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Magnetic vortex evolution in self-assembled La0.7Sr 0.3MnO3 nanoislands under in-plane magnetic field

AuthorsZabaleta, Jone ; Jaafar, Miriam ; Asenjo Barahona, Agustina ; Agramunt-Puig, S.; Del-Valle, N.; Navau, C.; Sanchez, A.; Puig Molina, Teresa ; Obradors, Xavier ; Mestres, Narcís
Issue Date28-Jul-2014
PublisherAmerican Institute of Physics
CitationAPL Materials 2(7): 076111 (2014)
AbstractThe magnetic vortex formation at room temperature and its evolution under in-plane magnetic field is studied in chemically grown self-assembled La 0.7Sr0.3MnO3 nanoislands of less than 200 nm in width. We use variable field magnetic force microscopy and numerical simulations to confirm that the vortex state is ubiquitous in these square-base pyramid shape epitaxial La0.7Sr0.3MnO3 nanostructures, and that it requires in-plane magnetic fields below 40 kA/m to be annihilated.
Publisher version (URL)https://doi.org/10.1063/1.4891277
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