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Yves Caudano publications


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Laboratoire de Spectroscopie Moléculaire de Surface
Yves Caudano


Investigation of the bending vibrations of vicinal H/Si(111) surfaces by infrared spectroscopy

Y. Caudano (1), P.A. Thiry (1), and Y.J. Chabal (2)
Surf. Sci., 502-503 (2002) 91-95


We studied the vibrational structure of vicinal hydrogenated Si(111) surfaces by transmission infrared spectroscopy. In particular, we investigated the bending modes of the silicon hydrides present on the terraces and at the step-edges. We find that step-induced surface stress and/or long-range dipolar interactions split the bending modes of the Si(111) terrace monohydrides into two components, parallel and perpendicular to the step-edge direction.

Author addresses

  1. Laboratoire de Spectroscopie Moléculaire de Surface (LASMOS)
    Institute for Studies in Interface Science (ISIS)
    Facultés Universitaires Notre-Dame de la Paix (FUNDP)
    61 Rue de Bruxelles, B-5000 Namur, Belgium

  2. Agere Systems
    Electronic and Photonic Materials Physics Research
    600 Mountain Avenue, Murray Hill, NJ 07974, USA

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