Fig. 5. STM images of a sub-monolayer deposition of VO(dpm)₂ measured at 30 K. Bias voltage = –2 V (empty states), tunnelling current = 5 pA. The scanned regions are 150 × 150 nm² in (a) and 60 × 60 nm² in (b) and the bars correspond to 50 nm and 10 nm, respectively.