Mostrar el registro sencillo del ítem
dc.contributor.author
Steren, Laura Beatriz
dc.contributor.author
Tortarolo, Marina del Carmen
dc.contributor.author
Fernandez Baldis, Federico Jose
dc.contributor.author
Sirena, Martin
dc.contributor.author
Sacchi, M.
dc.contributor.author
Etgens, V. H.
dc.contributor.author
Eddrief, M.
dc.contributor.author
Santos, B.
dc.contributor.author
Mentes, T. O.
dc.contributor.author
Locatelli, A.
dc.date.available
2018-05-29T21:37:51Z
dc.date.issued
2016-09
dc.identifier.citation
Steren, Laura Beatriz; Tortarolo, Marina del Carmen; Fernandez Baldis, Federico Jose; Sirena, Martin; Sacchi, M.; et al.; Combined effects of vertical and lateral confinement on the magnetic properties of MnAs micro and nano-ribbons; American Institute of Physics; Journal of Applied Physics; 120; 9; 9-2016; 1-7; 093905
dc.identifier.issn
0021-8979
dc.identifier.uri
http://hdl.handle.net/11336/46549
dc.description.abstract
The micromagnetic domain structure of MnAs films gave place to an intense research activity in the last few years due to its potential application in magneto-electronic devices such as domain-wall track memories and logic circuits. These applications require a full knowledge of miniaturization effects on the magnetic properties of the material. In this work, X-ray photoemission electron microscopy has been used for imaging magnetic domains in lithographically fabricated MnAs ribbons, addressing the dependence of the domain configuration on film thickness and ribbon width. Our experiments show a transition from head-on to regular stripe domains below a critical width/thickness ratio wc ≈ 6. Micromagnetic simulations suggest that this transition is correlated to the magnetic structure of the surface plane. Depending on the ribbon width and thickness, the magnetic configuration is shown to evolve from flux-closure domain structure to a state of almost homogeneous magnetization, observed for narrower ribbons. The evolution of the domain structure, magnetic fraction, and magnetization with temperature has been studied across the ferromagnetic/paramagnetic transition. Our experiments show that the magnetic configuration in ribbons exhibits higher stability to temperature variations than in as-cast films.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Institute of Physics
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Estructura de Dominios
dc.subject
Simulaciones
dc.subject
Xpeem
dc.subject
Nanoestructuras
dc.subject.classification
Astronomía
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Combined effects of vertical and lateral confinement on the magnetic properties of MnAs micro and nano-ribbons
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-05-28T14:38:57Z
dc.journal.volume
120
dc.journal.number
9
dc.journal.pagination
1-7; 093905
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Steren, Laura Beatriz. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Tortarolo, Marina del Carmen. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Fernandez Baldis, Federico Jose. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Sirena, Martin. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Sacchi, M.. Universite de Paris Vi. Institut des Nanosciences de Paris; Francia
dc.description.fil
Fil: Etgens, V. H.. Federation Lavoisier Franklin; Francia
dc.description.fil
Fil: Eddrief, M.. Universite de Paris Vi. Institut des Nanosciences de Paris; Francia
dc.description.fil
Fil: Santos, B.. Elettra-Sincrotrone Trieste; Italia
dc.description.fil
Fil: Mentes, T. O.. Elettra-Sincrotrone Trieste; Italia
dc.description.fil
Fil: Locatelli, A.. Elettra-Sincrotrone Trieste; Italia
dc.journal.title
Journal of Applied Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1063/1.4961501
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://aip.scitation.org/doi/10.1063/1.4961501
Archivos asociados