Electrically induced chiral magnetic domains in iron whiskers
Institute of Experimental Physics, Saarland University, P. O. Box 151150, D-66041, Saarbruecken, Germany
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Accepted: 5 March 2016
Published online: 20 April 2016
Magneto-optic Kerr effect microscopy on iron single crystals with growth direction was performed upon applying a longitudinal magnetic field together with a dc current along the longitudinal direction of the whiskers. The investigations confirm that, apart from the well-known Landau structure and the sheath-core one, surface domain structures magnetized along the direction of the Oersted field induced by the current exist as well. A detailed analysis of the MOKE images indicates that the surface domains have a chiral symmetry.
© Società Italiana di Fisica and Springer-Verlag Berlin Heidelberg, 2016