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MFM-map comparison between well-established commercial MFM tips (MESP, Bruker) and FEBID Co3Fe α-pillars for the CoPt sample (a,b) and a magnetic hard disc drive (c), revealing sharper features and reduced noise. The latter is also evident in (b) by 3D representations of MFM maps on a CoPt sample, which are vertically adapted to achieve a similar 3D effect.
