Figure 6

EIS spectra (Nyquist plots) of pristine hematite in dark a) and under illumination b) for DC bias from 0 mV to 1000 mV. The spectra are plotted on the same isometric scale.
EIS spectra (Nyquist plots) of pristine hematite in dark a) and under illumination b) for DC bias from 0 mV to 1000 mV. The spectra are plotted on the same isometric scale.