Surface structure of Pt/Si(0 0 1)

D. S. Choi, J. W. Jung, D. S. Shin, M. S. Yoon, W. S. Cho, J. Y. Kim, K. H. Chae, K. H. Jeong, C. N. Whang

Research output: Contribution to journalArticle

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Abstract

We have investigated Pt adsorption on the Si(0 0 1) surface using LEED and low energy ion scattering spectroscopy (ISS). We observe a c(4 × 2) LEED image at annealing temperatures between 700 and 1150 °C. For annealing temperatures between 800 and 1000 °C, a c(4 × 6) LEED image is observed simultaneously with the c(4 × 2) LEED image. The Pt/Si(0 0 1) surface structure does not depend on the initial Pt coverage. We also measure the adsorption site at the c(4 × 2) surface using the ISS. We find that the Pt atoms are adsorbed at T3 sites and some Pt atoms diffuse into the bulk. The height of the adsorbed Pt atoms from the Si surface is determined to be 0.5 Å.

Original languageEnglish
JournalSurface Science
Volume505
DOIs
Publication statusPublished - 2002 May 1

Fingerprint

Surface structure
Atoms
ion scattering
Spectroscopy
Scattering
Annealing
Ions
adatoms
Adsorption
annealing
adsorption
spectroscopy
Temperature
temperature
atoms
energy

All Science Journal Classification (ASJC) codes

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

Cite this

Choi, D. S., Jung, J. W., Shin, D. S., Yoon, M. S., Cho, W. S., Kim, J. Y., ... Whang, C. N. (2002). Surface structure of Pt/Si(0 0 1). Surface Science, 505. https://doi.org/10.1016/S0039-6028(02)01373-0
Choi, D. S. ; Jung, J. W. ; Shin, D. S. ; Yoon, M. S. ; Cho, W. S. ; Kim, J. Y. ; Chae, K. H. ; Jeong, K. H. ; Whang, C. N. / Surface structure of Pt/Si(0 0 1). In: Surface Science. 2002 ; Vol. 505.
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author = "Choi, {D. S.} and Jung, {J. W.} and Shin, {D. S.} and Yoon, {M. S.} and Cho, {W. S.} and Kim, {J. Y.} and Chae, {K. H.} and Jeong, {K. H.} and Whang, {C. N.}",
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Choi, DS, Jung, JW, Shin, DS, Yoon, MS, Cho, WS, Kim, JY, Chae, KH, Jeong, KH & Whang, CN 2002, 'Surface structure of Pt/Si(0 0 1)', Surface Science, vol. 505. https://doi.org/10.1016/S0039-6028(02)01373-0

Surface structure of Pt/Si(0 0 1). / Choi, D. S.; Jung, J. W.; Shin, D. S.; Yoon, M. S.; Cho, W. S.; Kim, J. Y.; Chae, K. H.; Jeong, K. H.; Whang, C. N.

In: Surface Science, Vol. 505, 01.05.2002.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Surface structure of Pt/Si(0 0 1)

AU - Choi, D. S.

AU - Jung, J. W.

AU - Shin, D. S.

AU - Yoon, M. S.

AU - Cho, W. S.

AU - Kim, J. Y.

AU - Chae, K. H.

AU - Jeong, K. H.

AU - Whang, C. N.

PY - 2002/5/1

Y1 - 2002/5/1

N2 - We have investigated Pt adsorption on the Si(0 0 1) surface using LEED and low energy ion scattering spectroscopy (ISS). We observe a c(4 × 2) LEED image at annealing temperatures between 700 and 1150 °C. For annealing temperatures between 800 and 1000 °C, a c(4 × 6) LEED image is observed simultaneously with the c(4 × 2) LEED image. The Pt/Si(0 0 1) surface structure does not depend on the initial Pt coverage. We also measure the adsorption site at the c(4 × 2) surface using the ISS. We find that the Pt atoms are adsorbed at T3 sites and some Pt atoms diffuse into the bulk. The height of the adsorbed Pt atoms from the Si surface is determined to be 0.5 Å.

AB - We have investigated Pt adsorption on the Si(0 0 1) surface using LEED and low energy ion scattering spectroscopy (ISS). We observe a c(4 × 2) LEED image at annealing temperatures between 700 and 1150 °C. For annealing temperatures between 800 and 1000 °C, a c(4 × 6) LEED image is observed simultaneously with the c(4 × 2) LEED image. The Pt/Si(0 0 1) surface structure does not depend on the initial Pt coverage. We also measure the adsorption site at the c(4 × 2) surface using the ISS. We find that the Pt atoms are adsorbed at T3 sites and some Pt atoms diffuse into the bulk. The height of the adsorbed Pt atoms from the Si surface is determined to be 0.5 Å.

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Choi DS, Jung JW, Shin DS, Yoon MS, Cho WS, Kim JY et al. Surface structure of Pt/Si(0 0 1). Surface Science. 2002 May 1;505. https://doi.org/10.1016/S0039-6028(02)01373-0