Spatial Mapping of the Electronic States of a One-Dimensional System

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Using low-temperature scanning tunneling microscopy and spectroscopy, we have recorded spatial maps of confined electronic states in the troughs between self-organized Pt nanowires on Ge(001) that are spaced 2.4 nm apart. Two sub-bands are resolved, which correspond to the lowest energy levels of a quantum mechanical particle in a box. As expected, the spatial dI/dV maps exhibit a maximum and a minimum in the middle of the troughs for the n = 1 and n = 2 states, respectively.
Original languageUndefined
Pages (from-to)1439-1442
Number of pages4
JournalNano letters
Issue number7
Publication statusPublished - 2006


  • IR-59485
  • METIS-232778

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