Atomic arrangement of Al-induced clusters on Si(0 0 1) surface at high temperature

J. H. Seo, J. Y. Park, S. K. Jung, Kyung-hwa Yoo, C. N. Whang, S. S. Kim, D. S. Choi, K. H. Chae

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Abstract

The atomic structure of the Al-induced clusters on Si(0 0 1) surface formed by the annealing of 0.5 ML Al/Si(0 0 1) at 500 °C has been studied using coaxial impact collision ion scattering spectroscopy (CAICISS). CAICISS results proposed that the Al atoms occupy the cave site (T4 site) and off-centered T4 site. To determine the structure of the Al-induced clusters definitely, classical ion-scattering trajectory simulations using scattering and recoiling imaging code (SARIC) have been performed for the recently proposed most possible four different cluster models (Bunk, Zotov, Kotlyar, and Zavodinsky model). Our CAICISS spectra and simulation results show that the Bunk model is the best plausible one among the models. As the results of the simulations, it is found that Al-Si dimers has been oriented on the topmost layer of the Si(0 0 1) surface with a bonding length (Δz) of 1.00 ± 0.05 Å.

Original languageEnglish
Pages (from-to)72-77
Number of pages6
JournalChemical Physics Letters
Volume417
Issue number1-3
DOIs
Publication statusPublished - 2006 Jan 9

Fingerprint

ion scattering
Scattering
Ions
collisions
Spectroscopy
spectroscopy
caves
Temperature
recoilings
simulation
Caves
atomic structure
Dimers
dimers
trajectories
annealing
Trajectories
Annealing
Imaging techniques
Atoms

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Seo, J. H., Park, J. Y., Jung, S. K., Yoo, K., Whang, C. N., Kim, S. S., ... Chae, K. H. (2006). Atomic arrangement of Al-induced clusters on Si(0 0 1) surface at high temperature. Chemical Physics Letters, 417(1-3), 72-77. https://doi.org/10.1016/j.cplett.2005.10.010
Seo, J. H. ; Park, J. Y. ; Jung, S. K. ; Yoo, Kyung-hwa ; Whang, C. N. ; Kim, S. S. ; Choi, D. S. ; Chae, K. H. / Atomic arrangement of Al-induced clusters on Si(0 0 1) surface at high temperature. In: Chemical Physics Letters. 2006 ; Vol. 417, No. 1-3. pp. 72-77.
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Seo, JH, Park, JY, Jung, SK, Yoo, K, Whang, CN, Kim, SS, Choi, DS & Chae, KH 2006, 'Atomic arrangement of Al-induced clusters on Si(0 0 1) surface at high temperature', Chemical Physics Letters, vol. 417, no. 1-3, pp. 72-77. https://doi.org/10.1016/j.cplett.2005.10.010

Atomic arrangement of Al-induced clusters on Si(0 0 1) surface at high temperature. / Seo, J. H.; Park, J. Y.; Jung, S. K.; Yoo, Kyung-hwa; Whang, C. N.; Kim, S. S.; Choi, D. S.; Chae, K. H.

In: Chemical Physics Letters, Vol. 417, No. 1-3, 09.01.2006, p. 72-77.

Research output: Contribution to journalArticle

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AU - Seo, J. H.

AU - Park, J. Y.

AU - Jung, S. K.

AU - Yoo, Kyung-hwa

AU - Whang, C. N.

AU - Kim, S. S.

AU - Choi, D. S.

AU - Chae, K. H.

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N2 - The atomic structure of the Al-induced clusters on Si(0 0 1) surface formed by the annealing of 0.5 ML Al/Si(0 0 1) at 500 °C has been studied using coaxial impact collision ion scattering spectroscopy (CAICISS). CAICISS results proposed that the Al atoms occupy the cave site (T4 site) and off-centered T4 site. To determine the structure of the Al-induced clusters definitely, classical ion-scattering trajectory simulations using scattering and recoiling imaging code (SARIC) have been performed for the recently proposed most possible four different cluster models (Bunk, Zotov, Kotlyar, and Zavodinsky model). Our CAICISS spectra and simulation results show that the Bunk model is the best plausible one among the models. As the results of the simulations, it is found that Al-Si dimers has been oriented on the topmost layer of the Si(0 0 1) surface with a bonding length (Δz) of 1.00 ± 0.05 Å.

AB - The atomic structure of the Al-induced clusters on Si(0 0 1) surface formed by the annealing of 0.5 ML Al/Si(0 0 1) at 500 °C has been studied using coaxial impact collision ion scattering spectroscopy (CAICISS). CAICISS results proposed that the Al atoms occupy the cave site (T4 site) and off-centered T4 site. To determine the structure of the Al-induced clusters definitely, classical ion-scattering trajectory simulations using scattering and recoiling imaging code (SARIC) have been performed for the recently proposed most possible four different cluster models (Bunk, Zotov, Kotlyar, and Zavodinsky model). Our CAICISS spectra and simulation results show that the Bunk model is the best plausible one among the models. As the results of the simulations, it is found that Al-Si dimers has been oriented on the topmost layer of the Si(0 0 1) surface with a bonding length (Δz) of 1.00 ± 0.05 Å.

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