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Pàgina inicial > Articles > Articles publicats > Magnetization reversal by electric-field decoupling of magnetic and ferroelectric domain walls in multiferroic-based heterostructures |
Data: | 2011 |
Resum: | We demonstrate that the magnetization of a ferromagnet in contact with an antiferromagnetic multi-ferroic(LuMnO3)can be speedily reversed by electric-field pulsing, and the sign of the magnetic exchange bias can switch and recover isothermally. As LuMnO3 is not ferroelastic, our data conclusively show that this switching is not mediated by strain effects but is a unique electric-field driven decoupling of the ferroelectric and antiferromagnetic domain walls. Their distinct dynamics are essential for the observed magnetic switching. |
Ajuts: | Ministerio de Ciencia e Innovación MAT2008-06761-C03 Ministerio de Ciencia e Innovación CSD2007-00041 Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-00376 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Matèria: | Materials ; Propietats magnètiques |
Publicat a: | Physical review letters, Vol. 106, Issue 5 (Feb. 2011) , p. 057206/1-057206/4, ISSN 1079-7114 |
4 p, 421.2 KB |