Abstract

Time-resolved scanning tunnelling microscopy (STM) and its application in molecularscience are reviewed. STM can image individual atoms and molecules and thus is able toobserve the results of molecular processes such as diffusion, desorption, configurationswitching, bond-breaking and chemistry, on the atomic scale. This review will introducetime-resolved STM, its experimental limitations and implementations with particularemphasis on thermally activated and tunnelling current induced molecular processes.It will briefly examine the push towards ultrafast imaging. In general, resultsachieved by time-resolved STM demonstrate the necessity of both space andtime resolution for fully characterizing molecular processes on the atomic scale.

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