Quasiperiodic nanoscale faceting of high-index Si surfaces.
نویسندگان
چکیده
Scanning tunneling microscopy reveals that Si(112) reconstructs into quasiperiodic, nanometer-scale facets. Each sawtoothlike facet consists of a single unit cell wide reconstructed (111) terrace s7 3 7 or 5 3 5d opposed by a 60 to 110 Å wide (337) terrace. Nanofacets with a similar structure are also observed on Si(335), indicating that they are a general phenomenon for some range of vicinality towards [1̄1̄2]. The dimensions of these nanofacets suggest that Si(112) and Si(335) would be interesting substrates for the growth of corrugated superlattices.
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ورودعنوان ژورنال:
- Physical review letters
دوره 74 6 شماره
صفحات -
تاریخ انتشار 1995