Regensburg 2013 – scientific programme

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MA: Fachverband Magnetismus

MA 16: Poster I

MA 16.74: Poster

Tuesday, March 12, 2013, 10:30–13:30, Poster D

Scanning magnetoresistance microscopy as a multifunctional tool — •Dmitriy Mitin¹, Michael Grobis², and Manfred Albrecht¹ — ¹Institute of Physics, Chemnitz University of Technology, 09107 Chemnitz, Germany — ²San Jose Research Center, HGST, 3403 Yerba Buena Rd., San Jose, California 95135, USA

Scanning magnetoresistance microscopy (SMRM) is a powerful imaging technique, that uses conventional hard disk drive recording heads as a sensor for raster scanning in physical contact with a magnetic film sample. The modern vintages of MR heads are capable of reaching the resolution down to 15 nm in down-track direction, what is comparable with magnetic force microscopy. The unique ability to apply a localized field up to 1 T to the sample makes this tool attractive for recording experiments on continuous films as well as on nanostructures. Thanks to the high bandwidth of the embedded inductive coil system, ultra short magnetic field pulses in the sub-ns range can be applied. This fact allows using this setup as a research instrument for studying dynamic magnetization reversal processes on the nanoscale.