Au induced regular ordered striped domain wall structure of a (5x3) reconstruction on Si(001) studied by STM and SPA-LEED,
Au adsorption on Si(001) above 850°C results in the formation of a regular ordered striped domain wall structure of a commensurate (5×3) reconstruction. The domain walls could be described by (View the MathML source×3) unit cells separating anti-phase (5×3) domains of a typical width of 39 Å. Each domain wall shifts the translational vector between neighbouring (5×3) domains by one surface unit. This results in a complex LEED pattern quoted as a (5×3.2) structure.
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