BULK CONTRIBUTIONS TO THE PHOTOEMISSION SPECTRA OF CHEMISORBED HYDROGEN ON THE Si(111)-(7 × 7) SURFACE: A THEORETICAL STUDY-Reference-Cited by-同舟云学术

BULK CONTRIBUTIONS TO THE PHOTOEMISSION SPECTRA OF CHEMISORBED HYDROGEN ON THE Si(111)-(7 × 7) SURFACE: A THEORETICAL STUDY

Published:1997-02 Issue:01 Volume:04 Page:53-58
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

STAUFFER LOUISE¹,MINOT CHRISTIAN²

Affiliation:

1. Laboratoire de Physique et de Spectroscopie Electronique, URA 1435 CNRS, Faculté des Sciences et techniques, 4 rue des frères Lumière, 68093 Mulhouse Cedex, France

2. Laboratoire de Chimie Théorique, UPR 9070 CNRS, Université P. et M. Curie, Boîte 137 Tour 23-22 p114, 4 Place Jussieu 75252 Cedex 05, France

Abstract

From a recent theoretical study1 using crystalline extension of the Hückel method, the surface contributions to the main features P 1 and P 2 observed in photoemission experiments when atomic hydrogen is chemisorbed on the Si (111)-(7 × 7) reconstructed surface have been attributed to the saturation of the dangling bonds of the adatoms. This paper investigates the bulk contributions to those peaks. The contributions are derived from calculations on an eight-layer slab and on a real bulk. We conclude that states corresponding to σ bonding between successive silicon layers contribute to peak P 2.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X97000092

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1. Reactivity at Silicon Surfaces Si(100) 2×2 and Si(111) 7×7;Quantum Systems in Chemistry and Physics Volume 2;2000

2. Interpretation of the photoemission spectra of Pb/Si(111)-(7×7) in the initial stages of the Pb chemisorption:;Surface Science;1998-10