Journal article
Domain-Wall Movement Control in Co/Au Multilayers by He⁺-Ion-Bombardment-Induced Lateral Coercivity Gradients
Publication Details
Authors: | Urbaniak, M.; Kuswik, P.; Kurant, Z.; Tekielak, M.; Engel, D.; Lengemann, D.; Szymanski, B.; Schmidt, M.; Aleksiejew, J.; Maziewski, A.; Ehresmann, A.; Stobiecki, F. |
Publication year: | 2010 |
Journal: | Physical Review Letters |
Pages range : | 067202 |
Journal acronym: | PRL |
Volume number: | 105 |
ISSN: | 0031-9007 |
eISSN: | 1079-7114 |
Abstract
Defined perpendicular anisotropy gradients in the Co sublayers of a [Co(0.6 nm)/Au(2 nm)]3 sputter-deposited multilayer have been introduced by light ion bombardment through a wedged Au stopper layer. Within such a layer system, domain walls between up- and down-magnetized areas are controllably movable by an external perpendicular homogeneous magnetic field. This method and layer system is very promising for a controlled magnetic particle transport within the stray fields of the moving domain walls.
Defined perpendicular anisotropy gradients in the Co sublayers of a [Co(0.6 nm)/Au(2 nm)]3 sputter-deposited multilayer have been introduced by light ion bombardment through a wedged Au stopper layer. Within such a layer system, domain walls between up- and down-magnetized areas are controllably movable by an external perpendicular homogeneous magnetic field. This method and layer system is very promising for a controlled magnetic particle transport within the stray fields of the moving domain walls.
