The compounds TaNi2Te2 and TaCo2Te2 have been examined by scanning tunneling and
atomic force microscopy. The title phases crystallize in layered structures with metal slabs
sandwiched by tellurium atoms. Scanning probe microscope images of the surfaces of these
materials arise from the surface tellurium atoms anddepending on the experimental
conditionscan show very different features. The images have been simulated through
surface charge densities calculated within the Extended Hückel and LMTO frameworks.
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