Energy-dependent vibrational spectra of the Si(111)-B surface

J. E. Rowe, R. A. Malic, E. E. Chaban, R. L. Headrick, Leonard C Feldman

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

High resolution electron energy loss spectroscsopy measurements have been performed on heavily boron doped Si(1111) surfaces. These samples have a 3 1 2×3 1 2 periodicity with boron in the second complete layer. Three vibration losses are observed at 59, 107, and 168 meV and are due to dipole allowed modes of Si-Si, B-Si and a combination mode. The combination mode is quite strong and indicates a large anharmonic coupling between the B-Si and Si-Si modes. At higher incident electron energies, Eo≥15 eV, a broad surface plasmon mode is observed at ~180 meV loss energy due to the free carriers in the region below the B-reconstructed surface layer.

Original languageEnglish
Pages (from-to)1115-1122
Number of pages8
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume54-55
Issue numberC
DOIs
Publication statusPublished - 1990

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Vibrational spectra
vibrational spectra
Boron
Energy dissipation
Electrons
boron
energy dissipation
energy
electron energy
periodic variations
surface layers
dipoles
vibration
high resolution

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Energy-dependent vibrational spectra of the Si(111)-B surface. / Rowe, J. E.; Malic, R. A.; Chaban, E. E.; Headrick, R. L.; Feldman, Leonard C.

In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 54-55, No. C, 1990, p. 1115-1122.

Research output: Contribution to journal › Article

Rowe, JE, Malic, RA, Chaban, EE, Headrick, RL & Feldman, LC 1990, 'Energy-dependent vibrational spectra of the Si(111)-B surface', Journal of Electron Spectroscopy and Related Phenomena, vol. 54-55, no. C, pp. 1115-1122. https://doi.org/10.1016/0368-2048(90)80301-P
Rowe JE, Malic RA, Chaban EE, Headrick RL, Feldman LC. Energy-dependent vibrational spectra of the Si(111)-B surface. Journal of Electron Spectroscopy and Related Phenomena. 1990;54-55(C):1115-1122. https://doi.org/10.1016/0368-2048(90)80301-P
Rowe, J. E. ; Malic, R. A. ; Chaban, E. E. ; Headrick, R. L. ; Feldman, Leonard C. / Energy-dependent vibrational spectra of the Si(111)-B surface. In: Journal of Electron Spectroscopy and Related Phenomena. 1990 ; Vol. 54-55, No. C. pp. 1115-1122.
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AU - Feldman, Leonard C

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AB - High resolution electron energy loss spectroscsopy measurements have been performed on heavily boron doped Si(1111) surfaces. These samples have a 3 1 2×3 1 2 periodicity with boron in the second complete layer. Three vibration losses are observed at 59, 107, and 168 meV and are due to dipole allowed modes of Si-Si, B-Si and a combination mode. The combination mode is quite strong and indicates a large anharmonic coupling between the B-Si and Si-Si modes. At higher incident electron energies, Eo≥15 eV, a broad surface plasmon mode is observed at ~180 meV loss energy due to the free carriers in the region below the B-reconstructed surface layer.

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