Oscillations in oblique-incidence optical reflection from a growth surface during layer-by-layer epitaxy

Y. Y. Fei, X. D. Zhu, L. F. Liu, H. B. Lu, Z. H. Chen, G. Z. Yang

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

We report the observation of hundreds of oscillations in oblique-incidence optical reflectivity difference from a growth surface of Nb-doped SrTiO 3(100) during a continuous, pulsed-laser deposition. Similar to in-phase specular reflection of thermal helium atoms or electrons, the optical oscillations originate from an oscillatory change in step density on the surface and the different optical dielectric response of step edge atoms (or unit cells) from those in the flat terraces.

Original languageEnglish (US)
Article number233405
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume69
Issue number23
DOIs
StatePublished - Jun 2004

ASJC Scopus subject areas

  • Condensed Matter Physics

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