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Asymmetric merons studied by magnetic transmission X-ray microscopy

AuthorsHierro-Rodríguez, A. ; Álvarez-Prado, L. M. ; Blanco-Roldán, C.; Quirós, Carlos ; Sorrentino, Andrea; Martín, José Ignacio ; Alameda, J. M. ; Pereiro, Eva; Vélez, María ; Ferrer, S.
Issue Date2016
Citation61st Annual Conference on Magnetism and Magnetic Materials (2016)
AbstractMeron textures are topological deffects with fractional skyrmionic charge Q = 1/2 that have been recently observed bound to magnetic stripe domain pattern dislocation cores in weak perpendicular anisotropy NdCo/Py bilayers supporting a weak stripe domain pattern at equilibrium. In this work, we go an step further by studying the in-depth transmission of merons in GdCo/NdCo(Py trilayers. Taking advantage of the element selectivity, long probing depth and magnetic sensitivity of sinchtroton based magnetic x-ray transmission microscopy, a detailed charcterization of the 3D topology of the merons formed in the system during the magnetization reversal process has been carried out. The results indicate an asymmetric confguration of merons across the thickness, as most merons appear either on top or bottom layers but not on both at the same time. This asymmetric propagation follows will be described and discussed.
DescriptionResumen del trabajo presentado a la 61st Annual Conference on Magnetism and Magnetic Materials, celebrada en New Orleans (USA) del 31 de octubre al 4 de noviembre de 2016.
Appears in Collections:(CINN) Comunicaciones congresos
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