Figure 6

Electrical field distributions at different voltage output settings:

(a) 0.17 V∙cm⁻¹, (b) 0.33 V∙cm⁻¹, (c) 0.50 V∙cm⁻¹, (d) 0.67 V∙cm⁻¹, (e) 0.83 V∙cm⁻¹, (f) 0.83 V∙cm⁻¹ with superposed structures: white dots represent measuring point, white bars represent electrode positions.