Title :
Second harmonic spectroscopy of Si surfaces with H, Ge, and B adsorbates: experiment and theory
Author :
Downer, M.C. ; Ekerdt, J.G. ; Lim, D. ; Parkinson, P. ; Gavrilenko, V.I. ; Wu, R.Q. ; Arzate, N. ; Mendoza, B.S.
Author_Institution :
Texas Mater. Inst., Texas Univ., Austin, TX, USA
Abstract :
Reflected second harmonic spectra from a Si(OO1)-(2x 1) surface in ultrahigh vacuum change in radically different ways upon adsorption of hydrogen, germanium, or boron. Ab initio and semi-empirical tight-binding microscopic theories reproduce and explain the observed trends.
Keywords :
adsorption; optical harmonic generation; reflectivity; silicon; tight-binding calculations; visible spectra; B; B adsorbates; Ge; Ge adsorbates; H; H adsorbates; Si; Si surfaces; ab initio microscopic theories; adsorption; reflected second harmonic spectra; second harmonic spectroscopy; semi-empirical tight-binding microscopic theories; ultrahigh vacuum; Charge transfer; Hydrogen; Nonlinear optics; Optical harmonic generation; Optical microscopy; Spectroscopy; Surface cleaning;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883563
