Dynamic magnetic properties of Ni81Fe19/Al2O3 multilayers
2005 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, Vol. 286, no SI, 446-449 p.Article in journal (Refereed) Published
Discontinuous magnetic metal-insulator multilayers of Ni81Fe19 and Al2O3 were prepd. by sequential magnetron sputtering in an UHV chamber. Ni81Fe19 layers of nominal thickness 8 Ã… form clusters of quite uniform size having an av. diam. of âˆŒ24 Ã…. A layered structure is maintained in the out-of-plane direction, but a random distribution of the metal clusters occurs in plane. These films have magnetic properties that vary strongly with the Al2O3 layer thickness-exhibiting ferromagnetic, spin glass like and superparamagnetic behavior as this layer thickness is increased from 10 via 19 to 31
Place, publisher, year, edition, pages
2005. Vol. 286, no SI, 446-449 p.
iron nickel alumina magnetic insulator multilayer sputtering magnetism
IdentifiersURN: urn:nbn:se:kth:diva-78471DOI: 10.1016/j.jmmm.2004.09.063ISI: 000226638400095OAI: oai:DiVA.org:kth-78471DiVA: diva2:492536
CAPLUS AN 2005:40690(Journal). QC 201202282012-02-082012-02-082012-02-28Bibliographically approved