Optical transitions between surface states associated with dangling bonds in Si(111)2x1 have been measured by means of reflection anisotropy spectroscopy in the near infrared. The results confirm those previously obtained with other optical techniques (namely surface differential reflectivity and photothermal deflection spectroscopies). The method does not require oxidation of the surface and thus opens the way to studying a number of problems in surface physics, including the temperature dependence of surface transitions in Si(111)2x1 and Ge(111)2x1.
Infrared surface absorption inSi(111)2×1observed with reflectance anisotropy spectroscopy
BUSSETTI, GIANLORENZO;
2002-01-01
Abstract
Optical transitions between surface states associated with dangling bonds in Si(111)2x1 have been measured by means of reflection anisotropy spectroscopy in the near infrared. The results confirm those previously obtained with other optical techniques (namely surface differential reflectivity and photothermal deflection spectroscopies). The method does not require oxidation of the surface and thus opens the way to studying a number of problems in surface physics, including the temperature dependence of surface transitions in Si(111)2x1 and Ge(111)2x1.File in questo prodotto:
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