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(Color online) Sketch of the experimental setup.
(Color online) Experimental results. Field maps obtained from the magnetoscan for (panel c) (distance between sample and magnet) and (panel d) . Panel a shows the profile [ at fixed ] from experiment (circles, panel c at ) and simulation (solid line) and panel b the central line scan of panel c between and . The inset of b displays a comparison of experiment and simulation in the region indicated by the dotted circle.
(Color online) Calculated current flow during the magnetoscan for (panel a) (distance between sample and magnet) and (panel b) . The arrows indicate the absolute value and direction of the local currents, the large circle (which is only partly shown) is the size and actual position of the permanent magnet, and the spot in the middle is the position of the Hall probe.
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