Magnetoresistance of Cu-Mn-Al melt-spun ribbons containing the system of interacting ferromagnetic inclusions
2011
Abstrakt
Cu-Mn-Al melt-spun ribbons of two compositions were studied to find out the influence of the collective behavior of diluted ferromagnetic nanoparticles on magnetotransport properties. The sample with a lower volume percentage of particles demonstrates magnetic behavior characteristic for the super- paramagnetic state while the other one demonstrates ferromagnetic-like ordering.
It is shown that the collective behavior of the system in both ribbons correlates with the temperature dependence of magnetoresistance.