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Step-edge magnetoresistance of magnetite films

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4 Author(s)
M. Ziese ; Dept. of Supercond. & Magnetism, Leipzig Univ., Germany ; R. Hohne ; K. Zimmer ; P. Esquinazi

The magnetoresistance induced by step edges in magnetite films was investigated. The films were fabricated on MgAl2O4 substrates patterned by ion-beam etching prior to film deposition. If the crystallographic quality of the magnetite film is good enough, a clear magnetoresistance anisotropy is observed with respect to the relative direction of current and step edge.

Published in:

IEEE Transactions on Magnetics  (Volume:38 ,  Issue: 5 )