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Surface electronic structure study of Au/Si(111) reconstructions: Observation of a crystal-to-glass transition

Zhang, HM; Thiagarajan, Balasubramanian LU and Uhrberg, RIG (2002) In Physical Review B (Condensed Matter and Materials Physics) 66(16).
Abstract
The alpha-root3xroot3, beta-root3xroot3, and 6x6 surfaces of Au/Si(111) have been studied by angle-resolved photoelectron spectroscopy (ARPES). The alpha-root3xroot3 surface shows four surface state bands, one of which is a dispersing metallic band. Except for one nondispersing band near the Fermi level, the beta-root3xroot3 surface shows surface bands that are similar to those of alpha-root3xroot3. Eight surface state bands have been found on the 6x6 surface instead of two as reported in the literature. Seven of these surface states are broadened into three, when the 6x6 phase is transformed into the quenched beta-root3xroot3 phase just by annealing followed by quick cooling. The transition between the 6x6 and quenched beta-root3xroot3... (More)
The alpha-root3xroot3, beta-root3xroot3, and 6x6 surfaces of Au/Si(111) have been studied by angle-resolved photoelectron spectroscopy (ARPES). The alpha-root3xroot3 surface shows four surface state bands, one of which is a dispersing metallic band. Except for one nondispersing band near the Fermi level, the beta-root3xroot3 surface shows surface bands that are similar to those of alpha-root3xroot3. Eight surface state bands have been found on the 6x6 surface instead of two as reported in the literature. Seven of these surface states are broadened into three, when the 6x6 phase is transformed into the quenched beta-root3xroot3 phase just by annealing followed by quick cooling. The transition between the 6x6 and quenched beta-root3xroot3 phases is consistent with a crystal-glass transition. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review B (Condensed Matter and Materials Physics)
volume
66
issue
16
publisher
American Physical Society
external identifiers
  • wos:000179286400112
  • scopus:0037110193
ISSN
1098-0121
DOI
10.1103/PhysRevB.66.165402
language
English
LU publication?
yes
id
a2331b42-5f57-4e3c-bc96-5d24dc054185 (old id 909594)
date added to LUP
2008-01-22 11:22:09
date last changed
2017-01-01 07:21:17
@article{a2331b42-5f57-4e3c-bc96-5d24dc054185,
  abstract     = {The alpha-root3xroot3, beta-root3xroot3, and 6x6 surfaces of Au/Si(111) have been studied by angle-resolved photoelectron spectroscopy (ARPES). The alpha-root3xroot3 surface shows four surface state bands, one of which is a dispersing metallic band. Except for one nondispersing band near the Fermi level, the beta-root3xroot3 surface shows surface bands that are similar to those of alpha-root3xroot3. Eight surface state bands have been found on the 6x6 surface instead of two as reported in the literature. Seven of these surface states are broadened into three, when the 6x6 phase is transformed into the quenched beta-root3xroot3 phase just by annealing followed by quick cooling. The transition between the 6x6 and quenched beta-root3xroot3 phases is consistent with a crystal-glass transition.},
  author       = {Zhang, HM and Thiagarajan, Balasubramanian and Uhrberg, RIG},
  issn         = {1098-0121},
  language     = {eng},
  number       = {16},
  publisher    = {American Physical Society},
  series       = {Physical Review B (Condensed Matter and Materials Physics)},
  title        = {Surface electronic structure study of Au/Si(111) reconstructions: Observation of a crystal-to-glass transition},
  url          = {http://dx.doi.org/10.1103/PhysRevB.66.165402},
  volume       = {66},
  year         = {2002},
}