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Conferences > QELS > 1992 > QTuF > QTuF3
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper QTuF3

Step doubling on vicinal Cu (111) surfaces observed with second-harmonic generation and low-energy electron diffraction

G. Lüpke, S. Janz, and H. M. van Driel

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Abstract

Recently, we have shown that the second-harmonic generation (SHG) efficiency of a clean metal surface is strongly altered by the presence of ordered steps/This sensitivity occurs because the steps break inversion symmetry in a direction lateral to the surface, thereby giving additional contributions to the second-order susceptibility tensor, SHG therefore can be used as a tool to monitor the static and dynamic properties of steps that are important for determining many physical and chemical properties of surfaces.

© 1992 Optical Society of America

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