Interfacial spin-dependent scattering in Co-Re antiferromagnetically coupled multilayers - Melo, L.V.; Monteiro, P.; Freitas, P.P. (Elsevier)
Magnetoresistance enhancement in antiferromagnetically coupled Co-Re multilayers is discussed in terms of an extended Camley and Barnas model involving both interfacial and bulk spin-dependent scattering.We find that for Co-Re multilayers, interface scattering alone can explain all independent sets of experimental data. This was further studied by adding monolayers of a third element X = Fe, Ni, Cr, Mo to the Co-Re interface. In the case of Cr or Mo, 1 ML added at the interface is sufficient to suppress antiferromagnetic coupling and magnetoresistance enhancement. Addition of Fe or Ni at the Co-Re interface is only effective up to 1 ML. For thicker Fe or Ni layers added at the interface the magnetoresistance remains essentially constant. This is a clear indication of an interface effect.
http://linkinghub.elsevier.com/retrieve/pii/0304-8853(93)91228-Y
Keywords: U