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Resonant and off-resonant magnetoacoustic waves in epitaxial FeSi/GaAs hybrid structures
Marc Rovirola, M. Waqas Khaliq, Blai Casals +6
Surface acoustic waves (SAWs) provide an efficient dynamical coupling between strain and magnetization in micro/nano-metric devices. Using a hybrid device composed of a piezoelectr…
Laser-induced Creation of antiferromagnetic 180-degree domains in NiO/Pt bilayers
Hendrik Meer, Stephan Wust, Christin Schmitt +15
We demonstrate how the antiferromagnetic order in heterostructures of NiO/Pt thin films can be modified by optical pulses. We irradiate our samples with laser light and identify an…
Micromagnetics of magnetic chemical modulations in soft-magnetic cylindrical nanowires
L. Álvaro-Gómez, S. Ruiz-Gómez, C. Fernández-González +17
We analyze the micromagnetics of short longitudinal modulations of a high-magnetization material in cylindrical nanowires made of a soft-magnetic material of lower magnetization su…
Size effects in the Verwey transition of nanometer-thick micron-wide magnetite crystals
Adolfo del Campo, Sandra Ruiz-Gómez, Eva M. Trapero +6
We have monitored the Verwey transition in micrometer-wide, nanometer-thick magnetite islands on epitaxial Ru films on Al2O3(0001) using Raman spectroscopy. The islands have been g…
Magnetic domain wall pinning in cobalt ferrite microstructures
Sandra Ruiz-Gómez, Anna Mandziak, Laura Martín-García +7
A detailed correlative structural, magnetic and chemical analysis of non-stoichiometric cobalt ferrite micrometric crystals was performed by x-ray magnetic circular dichroism combi…