Fig. 8: Manipulating skyrmions with a charged tip.
a, b Images of Bz taken sequentially, showing a disordered array of skyrmions before and after. Red and blue lines indicate paths along which the probe is scanned in close proximity to the sample with Vtip applied. Images of ΔBz showing the difference in the stray field pattern between two sequential images interrupted by: (c) no probe interaction between images, (d) the probe scanned along the red line with Vtip = −16 V, (e) no probe interaction after the latter interaction, (f) the probe scanned along the blue line with Vtip = −16 V, (g) the probe scanned along the blue line with Vtip = 0 V, and (h) the probe scanned along the blue line with Vtip = +16 V. Insets show the change in the position of individual skyrmions extracted from the images. Blue points correspond to the original skyrmion position, and red to the new position.
