Study of Si(111) Surfaces by Optical Second-Harmonic Generation: Reconstruction and Surface Phase Transformation
- 7 January 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 54 (1) , 63-66
- https://doi.org/10.1103/physrevlett.54.63
Abstract
Optical second-harmonic generation has been applied to the study of clean Si(111) 2×1 and 7×7 surfaces. By an analysis of polarization dependences of the two reconstructions, the symmetry properties of the surfaces have been determined. The 2×1 to 7×7 surface phase transformation during thermal annealing has also been monitored in real time by the second-harmonic technique.Keywords
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