Figure 3. Series a) and b): STM images of Ni nanoclusters on ML MgO/Ag(100) deposited at 200K at different bias voltage. Panel c1): Line profile recorded at V=1.0 V for NP1 (marked by a line in a5), NP2 and a tetramer (both marked in b4). Panel c2): Variation of the apparent height vs bias voltage for the NPs of panel c1.
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