An experimental physicist who, with collaborators, used scanning tunnelling microscopy to image standing waves in the electronic surface states of copper. Steps and defects scattered the two-dimensional electron gas, producing spatial oscillations in the local density of states. Measuring those patterns gave access to the electrons' dispersion relation, making a quantum-wave property visible in a real-space experiment.[ref]
Imaging standing waves in a two-dimensional electron gas by M. F. Crommie and others. Abstract: Cu(111), scattering from steps and point defects, and surface-state dispersion
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