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Título

Magnetic anisotropy and intergrain interactions in L10 CoPt (111)/Pt(111)/MgO(100) PLD granular films with tilted easy axes

AutorVarvaro, G.; Agostinelli, E.; Laureti, S.; Testa, A. M.; García-Martín, José Miguel ; Briones Fernández-Pola, Fernando ; Fiorani, D.
Palabras clavePerpendicular anisotropy
Magnetic nanostructures
Magnetic domains
Fecha de publicación19-jun-2008
EditorInstitute of Physics Publishing
CitaciónJournal of Physics D: Applied Physics, 41 (2008)
ResumenThe magnetic properties of tilted easy axis L10 CoPt(1 1 1)/Pt(1 1 1)/MgO(1 0 0) film, deposited by pulsed laser deposition, were investigated by magnetization angular dependence measurements and magnetic force microscopy (MFM). The room temperature anisotropy constant, evaluated measuring the in-plane variation of transverse magnetization under a rotating magnetic field, is K1 = 5 × 106 erg cm−3. The domain structure, observed by MFM, consists of decoupled single domain grains, unlike the maze-like structure usually observed for similar systems. This was confirmed by the analysis of dc demagnetization and isothermal remanence magnetization curves, which provided evidence of predominant magnetostatic interactions.
Versión del editorhttp://dx.doi.org/10.1088/0022-3727/41/13/134017
URIhttp://hdl.handle.net/10261/15436
DOI10.1088/0022-3727/41/13/134017
ISSN0022-3727
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