Universal Pinning Energy Barrier for Driven Domain Walls in Thin Ferromagnetic Films

We report a comparative study of magnetic field driven domain wall motion in thin films made of different magnetic materials for a wide range of field and temperature. The full thermally activated creep motion, observed below the depinning threshold, is shown to be described by a unique universal en...

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Detalles Bibliográficos
Autores: Jeudy, V., Mougin, A., Bustingorry, Sebastián, Savero Torres, W., Gorchon, J., Kolton, Alejandro Benedykt, Lemaître, A., Jamet, J. P.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/79035
Acceso en línea:http://hdl.handle.net/11336/79035
Access Level:acceso abierto
Palabra clave:domain walls
creep dynamics
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
Descripción
Sumario:We report a comparative study of magnetic field driven domain wall motion in thin films made of different magnetic materials for a wide range of field and temperature. The full thermally activated creep motion, observed below the depinning threshold, is shown to be described by a unique universal energy barrier function. Our findings should be relevant for other systems whose dynamics can be modeled by elastic interfaces moving on disordered energy landscapes.