Observation of field-induced domain wall propagation in magnetic nanowires by magnetic transmission x-ray microscopy

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Department of Engineering Materials, University of Sheffield, Sheffield S1 3JD, United Kingdom [1 ]
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Journal of Applied Physics | 2008年 / 103卷 / 07期
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Magnetic transmission x-ray microscopy (M-TXM) is used to image domain walls in magnetic ring structures formed by a 300 nm wide; 24 nm thick Ni81 Fe19 nanowire. Both transverse- and vortex-type domain walls are observed after application of different field sequences. Domain walls can be observed by comparing images obtained from opposite field sequences or else domain wall propagation observed by comparing successive images in a particular field sequence. This demonstrates the potential use of M-TXM in developing and understanding planar magnetic nanowire behavior. © 2008 American Institute of Physics;
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