Optical microscope images of the very end of two glass-coated microwires with metallic diameter dm = 1.5 and 12 μm.
VSM hysteresis loops for a thin microwire (dm = 1.2 μm) and thick one (dm = 12 μm). In both cases, the length of microwires was 5 mm.
Hysteresis loops of microwires (dm = 12 μm) with different lengths. Inset depicts the length dependence of the large Barkhausen jump and of the variation remanence to magnetization at the switching.
MOKE fractional remanence and coercivity for thin wires (dm = 1.5 μm) after successive cutting processes to different lengths.
MOKE fractional remanence and coercivity for thick wires (dm = 12 μm) after successive cutting processes to different lengths.
MOKE hysteresis loops as a function of the distance to the “thick” (dm = 7 μm) wire end. Arrows are included to emphasize the inverse sense of the loops.
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