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Schematic representation of the test setup based on an AFM.
Typical evolution of voltage and current vs electrode gap during closure of the experimental electrical contact.
Plot of the measurements of Fig. 2 (main peak) in the Fowler–Nordheim coordinate system.
Observation by SEM of the contact area on the cantilever (anode) after 100 closures under 5 V. 45° tilted view.
Observation by SEM of the contact area on the cantilever (cathode) after 100 closures under 5 V. Side view.
Schematic representation of the complete mechanism of material transfer.
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