Electric control of DW velocity

Electric-field control of magnetic domain-wall velocity in ultrathin cobalt with perpendicular magnetization.
D. Chiba, M. Kawaguchi, S. Fukami, N. Ishiwata, K. Shimamura, K. Kobayashi, & T. OnoNature Communications 3, 888 (2012)

Device structure and measurement configuration. A schematic diagram of the device structure and the measurement configuration. The device consisted of a Co/Pt microwire, a HfO₂ dielectric layer, and a gate electrode on top.