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TR-XPEEM domain images of rectangular bars taken along the rising edge of a unipolar magnetic field pulse at (a), 125 (b), 250 (c), 375 (d), 500 (e), and (f). Directions of light incidence (projection on sample surface) and remagnetization field are given, together with a sketch of the particle domain structure in the field free state. Bottom row: subsequent differences between images (b) and (f).
Domain images mapping a bipolar magnetic-field pulse (top panel) at (a), 2.5 (b), 6.5 (c), and (d). Areas with stripelike domains in the upper part of the wider bar are marked by circles.
Magnetic domain images of the upper part of the narrow rectangle in Fig. 1 mapping a unipolar field pulse (top panel) at (a), 1.750 (b), 7.875 (c), and (d). Area marked by a rectangle in (d) is stretched in horizontal direction (h). Schematic images of expected behavior of the Landau structure (e) in a slowly varying field (f) and formation of a stripelike structure at after the leading edge of the pulse (g). The white line in (h) traces the deformation profile along the right edge of the particle.
Stray-field induced shift of the particle’s right edge and calculated variation of magnetic induction along this edge on the object surface .
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