Atomic configuration of segregated B on Si(001) surface

T. Komeda, Y. Nishioka

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9 Citations (Scopus)


The atomic configurations of segregated B atoms on a highly B-doped Si(001) surface is investigated with scanning tunneling microscopy (STM) observation and first-principle cluper calculation, on which characteristic comb-shape step structures are obeyed. The characteristic features in the STM image are (1) dark regions in the occupied state, and (2) paired protrusions in the unoccupied state. The calculation shows that models of a B dimer on the top surface and B atoms bonded to two neighboring Si atoms in a dimer row can reproduce STM images well for (1) and (2), respectively.

Original languageEnglish
Pages (from-to)2277-2279
Number of pages3
JournalApplied Physics Letters
Issue number16
Publication statusPublished - 1997 Oct 20


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