Structure of the Si(011)-(16 × 2) surface and hydrogen desorption kinetics investigated using temperature-programmed desorption

H. Kim, N. Taylor, T. Spila, G. Glass, S. Y. Park, I. E. Greene, J. R. Abelson

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

D2 temperature-programmed desorption (TPD) was used to probe the structure of the Si(011)-(16 × 2) surface. Deuterium was adsorbed at 200°C to coverages θD ranging up to complete saturation (approximately 1.1 ML) and the sample heated at 5 Cs-1. TPD spectra exhibited three second-order desorption peaks labelled β2, β*1 and β1, centered at 430, 520 and 550°C. Of the proposed models for the Si(011)-(16 × 2) reconstruction, the present TPD results as a function of θD provide support for the adatom/dimer model with the β2 peak assigned to D2 desorption from the dihydride phase, while the β*1 and β1 peaks arise from adatom and surface-atom monohydride phases.

Original languageEnglish
Pages (from-to)L496-L500
JournalSurface Science
Volume380
Issue number2-3
DOIs
Publication statusPublished - 1997 May 15

Fingerprint

Temperature programmed desorption
Hydrogen
Desorption
Adatoms
desorption
Kinetics
kinetics
hydrogen
Deuterium
adatoms
Dimers
temperature
dihydrides
Atoms
deuterium
dimers
saturation
probes
atoms

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, H. ; Taylor, N. ; Spila, T. ; Glass, G. ; Park, S. Y. ; Greene, I. E. ; Abelson, J. R. / Structure of the Si(011)-(16 × 2) surface and hydrogen desorption kinetics investigated using temperature-programmed desorption. In: Surface Science. 1997 ; Vol. 380, No. 2-3. pp. L496-L500.
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Structure of the Si(011)-(16 × 2) surface and hydrogen desorption kinetics investigated using temperature-programmed desorption. / Kim, H.; Taylor, N.; Spila, T.; Glass, G.; Park, S. Y.; Greene, I. E.; Abelson, J. R.

In: Surface Science, Vol. 380, No. 2-3, 15.05.1997, p. L496-L500.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Structure of the Si(011)-(16 × 2) surface and hydrogen desorption kinetics investigated using temperature-programmed desorption

AU - Kim, H.

AU - Taylor, N.

AU - Spila, T.

AU - Glass, G.

AU - Park, S. Y.

AU - Greene, I. E.

AU - Abelson, J. R.

PY - 1997/5/15

Y1 - 1997/5/15

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AB - D2 temperature-programmed desorption (TPD) was used to probe the structure of the Si(011)-(16 × 2) surface. Deuterium was adsorbed at 200°C to coverages θD ranging up to complete saturation (approximately 1.1 ML) and the sample heated at 5 Cs-1. TPD spectra exhibited three second-order desorption peaks labelled β2, β*1 and β1, centered at 430, 520 and 550°C. Of the proposed models for the Si(011)-(16 × 2) reconstruction, the present TPD results as a function of θD provide support for the adatom/dimer model with the β2 peak assigned to D2 desorption from the dihydride phase, while the β*1 and β1 peaks arise from adatom and surface-atom monohydride phases.

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