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CPM Seminar
other Tales of the Atomic Landscape Michael F. Crommie
University of California Since its debut almost twenty years ago, the scanning tunneling microscope (STM) has been used to visualize the atomic-scale properties of a variety of surface systems. By operating an STM at cryogenic temperatures, it is possible to directly image the microscopic details of electronic wavefunctions with unprecedented spatial and energetic resolution. In addition to its uses as a fine local probe, however, the STM is also capable of modifying the atomic landscape by precisely re-positioning individual surface atoms. I will discuss how the combination of these abilities has opened up new possibilities for exploring the properties of novel microscopic structures, from 2-d quantum corrals to assemblies of Kondo impurities.
Monday, March 27th 2000, 15:30 |