Structure of Quantum Wires in [Formula presented]

I. K. Robinson, Peter Bennett, F. J. Himpsel

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The structure of the [Formula presented] surface is determined from three-dimensional x-ray diffraction measurements, which directly mandate a single Au atom per unit cell. We use a “heavy atom” method in which the Au atom images the rest of the structure. Au is found to substitute for a row of first-layer Si atoms in the middle of the terrace, which then reconstructs by step rebonding and adatoms. The structure is consistent with the 1D metallic behavior seen by photoemission.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Issue number9
StatePublished - 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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