Title :
Temperature effects on domain wall dynamics in ultrathin ferromagnetic films
Author :
Kirilyuk, A. ; Ferré, J. ; Renard, D.
Author_Institution :
Univ. Paris-Sud, Orsay, France
fDate :
11/1/1993 12:00:00 AM
Abstract :
Thermally activated domain wall dynamics in ultrathin Au/Co/Au films with perpendicular anisotropy are studied at different temperatures. Barkhausen volumes and activation energies of the samples are derived. The origin of the coercive field is briefly discussed
Keywords :
Barkhausen effect; cobalt; coercive force; ferromagnetic properties of substances; gold; magnetic anisotropy; magnetic domain walls; magnetic multilayers; magnetic thin films; nucleation; Au-Co-Au; Barkhausen volumes; activation energies; coercive field; perpendicular anisotropy; temperature effect; thermally activated domain wall dynamics; ultrathin ferromagnetic films; Cobalt; Crystallization; Magnetic domain walls; Magnetic domains; Magnetic field measurement; Magnetic fields; Magnetic films; Temperature; Thickness measurement; Velocity measurement;
Journal_Title :
Magnetics, IEEE Transactions on
