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Hysteresis loops of individual Co nanostripes measured by magnetic force microscopy

AuthorsJaafar, Miriam ; Serrano-Ramón, Luis; Iglesias-Freire, Óscar ; Fernández-Pacheco, Amalio; Ibarra, M. Ricardo; Teresa, José María de; Asenjo Barahona, Agustina
Issue Date2-Jun-2011
PublisherBioMed Central
CitationNanoscale Research Letters. 2011 Jun 02;6(1):407
AbstractAbstract High-resolution magnetic imaging is of utmost importance to understand magnetism at the nanoscale. In the present work, we use a magnetic force microscope (MFM) operating under in-plane magnetic field in order to observe with high accuracy the domain configuration changes in Co nanowires as a function of the externally applied magnetic field. The main result is the quantitative evaluation of the coercive field of the individual nanostructures. Such characterization is performed by using an MFM-based technique in which a map of the magnetic signal is obtained as a function of both the lateral displacement and the magnetic field.
Publisher version (URL)http://dx.doi.org/10.1186/1556-276X-6-407
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