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Open Access item Hysteresis loops of individual Co nanostripes measured by magnetic force microscopy

Authors:Jaafar, Miriam
Serrano-Ramón, Luis
Iglesias-Freire, Óscar
Fernández Pacheco, A.
Ibarra, M. Ricardo
Teresa, José María de
Asenjo, Agustina
Issue Date:2-Jun-2011
Publisher:BioMed Central
Citation:Nanoscale Research Letters. 2011 Jun 02;6(1):407
Abstract:Abstract 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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