Monopolelike probes for quantitative magnetic force microscopy: Calibration and application

A local magnetization measurement was performed by magnetic force microscopy (MFM) to determine magnetization in domains of an exchange coupled [Co/Pt]/Co/Ru multilayer with predominant perpendicular anisotropy. The quantitative MFM measurements were conducted with an iron-filled carbon nanotube tip...

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Bibliographic Details
Published in:Applied physics letters 2010-12, Vol.97 (25), p.252505-252505-3
Main Authors: Vock, S., Wolny, F., Mühl, T., Kaltofen, R., Schultz, L., Büchner, B., Hassel, C., Lindner, J., Neu, V.
Format: Article
Language:English
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Summary:A local magnetization measurement was performed by magnetic force microscopy (MFM) to determine magnetization in domains of an exchange coupled [Co/Pt]/Co/Ru multilayer with predominant perpendicular anisotropy. The quantitative MFM measurements were conducted with an iron-filled carbon nanotube tip, which is shown to behave like a monopole. As a result we determined an additional in-plane magnetization component of the multilayer, which is explained by estimating the effective permeability of the sample within the μ ∗ -method.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3528340