Step Fluctuations on Vicinal Si(113)
- 8 June 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 80 (23), 5152-5155
- https://doi.org/10.1103/physrevlett.80.5152
Abstract
The fluctuation properties of steps relevant to step coalescence have been measured using scanning tunneling microscopy on a Si(113) surface miscut along a low symmetry azimuth. In local thermal equilibrium at , coexistence of single, double, triple, and quadruple steps has been observed. From direct measurement of the step-correlation function, the step stiffness is shown to be proportional to the step height, with an additional stabilization of double-height steps. This result is shown to require a step-step attraction energy close to .
Keywords
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