Artículos de revistas
Magnetization reversal in co-precipitated cobalt ferrite
Author
JOSE ANDRES MATUTES AQUINO
Institutions
Abstract
A study about the magnetic viscosity and magnetization reversal in coprecipitated
cobalt ferrite was carried out. Measurements of direct current
demagnetization reversible Mrev and irreversible Mirr magnetization as well as magnetic
viscosity Sn were performed at room temperature along the demagnetization curve for
different applied fields Hap(0 > Hap> - 7 kOe). From these data Mrev(Mirr)Hi curves were
built. The experimental results show a minimum in the Mrev(Mirr)Hi curves and a nonproportionality
between Sn and Xirr; suggesting two different contributions to the reversal
magnetization during the demagnetization process.
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