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Electrodes with an effective radius of about 10nm have been produced by a combination of electrochemical etching, electrophoretic deposition of polymer, and heat curing. Their size and stability were characterized by cyclic voltammetry. They were then used in combined electrochemical scanning tunneling microscopic (ECSTM) and scanning electrochemical microscopic (SECM) experiments. In an extension...
A combined instrument for electrochemical scanning tunneling microscopy (ECSTM) and scanning electrochemical microscopy (SECM) was constructed. It brings a combined ECSTM–SECM probe into tunneling contact with a sample and retracts it by defined distances to perform electrochemical experiments outside the tunneling distance but within a separation of 5–30 nm from the sample. The capabilities have...
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