Magneto-Optical and Magnetic Studies of Co-Rich Glass-Covered Microwires

Figure 21

Photographs of circular domain formation and domain walls propagation in the presence of circular field of constant amplitude and increasing time duration, 𝐼=0.38 mA, 𝐻_AX=0.27 Oe. (a) 𝑡=0, (b) 𝑡=310 msec, (c) 𝑡=372 msec, (d) 𝑡=434 msec, and (e) 𝑡=496 msec.