English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/19635
COMPARTIR / IMPACTO:
Estadísticas
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Título

Experimental and computational analysis of the angular dependence of the hysteresis processes in an antidots array.

AutorPigazo, F. ; García Sánchez, F.; Palomares, F. Javier ; González-Calbet, José M.; Chubykalo-Fesenko, O. ; Cebollada, F.; Torres, J. M.; Bartolomé, Juan; García, L. M.
Palabras claveIron
Gallium arsenide
III-V semiconductors
Ferromagnetic materials
Coercive force
Magnetisation reversal
Magnetic anisotropy
Magnetic hysteresis
Magnetic domain walls
Fecha de publicación2006
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 99(8): 08S503-08S503-3 (2006)
ResumenWe have experimentally characterized the magnetization processes of a square array of micron sized circular antidots lithographed on a Fe(001)/GaAs film with its diagonals along the Fe magnetocrystalline easy axes (100). Both the anisotropy and the angular dependence of the magnetization reversal were measured by means of magnetooptic techniques. The coercivity of the loops along the easy and in-plane hard axes of the array increases approximately 2.5 times with respect to that measured in the continuous film region, and the first order anisotropy constant remains equal to that of bulk Fe. The magnetization reversal takes place in two steps for all the loops measured out of the easy and hard axes. We have simulated the magnetization reversal using two different micromagnetic models. In the first one, assuming that the reversal takes place fully inside the array, we have observed that the reversal nucleates at the magnetic inhomogeneities occurring at the antidot boundaries and resulting from magnetostatic energy minimization. In our second model we artificially introduced a domain wall outside the antidot region that governs the magnetization reversal showing a qualitative agreement with the angular dependence of coercivity.
Versión del editorhttp://dx.doi.org/10.1063/1.2170050
URIhttp://hdl.handle.net/10261/19635
DOI10.1063/1.2170050
ISSN0021-8979
E-ISSN1089-7550
Aparece en las colecciones: (ICMA) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
http___scitation.aip.org10.1063_1.pdf367,72 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 

Artículos relacionados:


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.