Figure 3
From: Hydrogen-mediated magnetic domain formation and domain wall motion in Co30Pd70 alloy films

Magnetic-field-dependent longitudinal Kerr images taken under (a) a vacuum, (b) 0.2 bar H2 and (c) 0.8 bar H2. All Kerr images were taken over the same area, 0.2 s after the application of a magnetic field. The image size was 450 × 450 μm2.