Abstract
A state-of-the-art scanning Hall probe microscope (magnetic eld sensitivity : spatial resolution: 30 nT/JHz : 0.8 lm}300 nT/JHz : 0.25 lm) has been used to image a range of ferromagnetic media. The technique is non-invasive and yields quantitative proles of the stray elds near the sample surface as illustrated by images of a standard magnetic reference sample, permalloy nanostructures and colossal magnetoresistive perovskites. Rapid scanning (&1 frame/12 sec) has also been used to study the domain reversal in a thin Ni lm. ( 1999 Published by Elsevier Science B.V. All rights reserved.
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