View in EDS

Atomic and electronic structures of surfaces

Saved in:
Bibliographic Details
Title: Atomic and electronic structures of surfaces
Authors: Takeuchi, F.1, Fukuyama, R.1, Hoshino, Y.2, Nishimura, T.1, Kido, Y.1 ykido@se.ritsumei.ac.jp
Source: Surface Science. May2007, Vol. 601 Issue 10, p2203-2213. 11p.
Subjects: Scattering (Physics), Electronic structure, Atomic structure, Spectrum analysis
Abstract: Abstract: The atomic and electronic structures of reconstructions were analyzed by high-resolution medium energy ion scattering (MEIS) combined with photoelectron spectroscopy. We prepared three types of (3×3) surfaces by (a) annealing the Si-rich (2×2) surface at 1030°C, (b) annealing the silicate surface at 1050°C, and (c) annealing the RCA-treated surface at 1050°C in ultra-high vacuum. The present MEIS analysis reveals the fact that the (3×3) surfaces consist of a Si-adlayer (1.1ML), C-adlayer (0.5ML) and C-adatoms (1/3ML)/C-adlayer (2/3ML) on the 1st C–Si bilayer for samples (a), (b) and (c), respectively. Observation of the valence band spectra shows that all the surfaces are semiconducting and have dangling bond states in the band gap (1.4eV below the Fermi level for sample (a)). The Si-rich surface (a) has one surface-related component in Si 2p and in contrast, the C-rich surfaces (b and c) have two surface-related components in C 1s spectra. It is shown that the (3×3) reconstructions of the are categorized into the above three types and take different atomic configurations. For the Si-rich (3×3) surface, the present analysis supports the structure model proposed by Hoster et al. [H.E. Hoster, M.A. Klakov, B. Bullemer, Surf. Sci. 382 (1997) L658]. The probable structures of the C-rich (3×3) surfaces are also discussed in detail. [Copyright &y& Elsevier]
Copyright of Surface Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 25032636
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Atomic and electronic structures of surfaces
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Takeuchi%2C+F%2E%22">Takeuchi, F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fukuyama%2C+R%2E%22">Fukuyama, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hoshino%2C+Y%2E%22">Hoshino, Y.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Nishimura%2C+T%2E%22">Nishimura, T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kido%2C+Y%2E%22">Kido, Y.</searchLink><relatesTo>1</relatesTo><i> ykido@se.ritsumei.ac.jp</i>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Surface+Science%22">Surface Science</searchLink>. May2007, Vol. 601 Issue 10, p2203-2213. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Scattering+%28Physics%29%22">Scattering (Physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+structure%22">Electronic structure</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+structure%22">Atomic structure</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrum+analysis%22">Spectrum analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: The atomic and electronic structures of reconstructions were analyzed by high-resolution medium energy ion scattering (MEIS) combined with photoelectron spectroscopy. We prepared three types of (3×3) surfaces by (a) annealing the Si-rich (2×2) surface at 1030°C, (b) annealing the silicate surface at 1050°C, and (c) annealing the RCA-treated surface at 1050°C in ultra-high vacuum. The present MEIS analysis reveals the fact that the (3×3) surfaces consist of a Si-adlayer (1.1ML), C-adlayer (0.5ML) and C-adatoms (1/3ML)/C-adlayer (2/3ML) on the 1st C–Si bilayer for samples (a), (b) and (c), respectively. Observation of the valence band spectra shows that all the surfaces are semiconducting and have dangling bond states in the band gap (1.4eV below the Fermi level for sample (a)). The Si-rich surface (a) has one surface-related component in Si 2p and in contrast, the C-rich surfaces (b and c) have two surface-related components in C 1s spectra. It is shown that the (3×3) reconstructions of the are categorized into the above three types and take different atomic configurations. For the Si-rich (3×3) surface, the present analysis supports the structure model proposed by Hoster et al. [H.E. Hoster, M.A. Klakov, B. Bullemer, Surf. Sci. 382 (1997) L658]. The probable structures of the C-rich (3×3) surfaces are also discussed in detail. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Surface Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=25032636
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.susc.2007.03.035
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 2203
    Subjects:
      – SubjectFull: Scattering (Physics)
        Type: general
      – SubjectFull: Electronic structure
        Type: general
      – SubjectFull: Atomic structure
        Type: general
      – SubjectFull: Spectrum analysis
        Type: general
    Titles:
      – TitleFull: Atomic and electronic structures of surfaces
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Takeuchi, F.
      – PersonEntity:
          Name:
            NameFull: Fukuyama, R.
      – PersonEntity:
          Name:
            NameFull: Hoshino, Y.
      – PersonEntity:
          Name:
            NameFull: Nishimura, T.
      – PersonEntity:
          Name:
            NameFull: Kido, Y.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 15
              M: 05
              Text: May2007
              Type: published
              Y: 2007
          Identifiers:
            – Type: issn-print
              Value: 00396028
          Numbering:
            – Type: volume
              Value: 601
            – Type: issue
              Value: 10
          Titles:
            – TitleFull: Surface Science
              Type: main
ResultId 1