Investigation of the twofold decagonal Al71.8Ni 14.8Co13.4(1 0 0 0 0) surface by SPA-LEED and He diffraction

H. R. Sharma; K. J. Franke; W. Theis; A. Riemann; S. Fölsch; K. H. Rieder; P. Gille

doi:10.1016/j.susc.2004.05.100

Investigation of the twofold decagonal Al_71.8Ni _14.8Co_13.4(1 0 0 0 0) surface by SPA-LEED and He diffraction

H. R. Sharma
, K. J. Franke
, W. Theis^*
, A. Riemann
, S. Fölsch
, K. H. Rieder
, P. Gille

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The twofold decagonal Al_71.8Ni_14.8Co_13.4(1 0 0 0 0) surface is investigated by using highly surface sensitive elastic helium atom scattering (HAS) and high resolution spot profile analyzing low energy electron diffraction (SPA-LEED). SPA-LEED and HAS data reveal diffraction patterns of the top most surface layer consistent with those of the surfaces generated by bulk truncations. Strong diffraction peaks corresponding to an 8 Å periodicity are observed. These peaks are broadened along the quasiperiodic surface direction, reflecting a reduced correlation length of ≈80 Å of the 8 Å periodicity within the quasicrystalline planes. In addition very weak streaks corresponding to a 16 Å periodicity are observed.

Original language	English
Pages (from-to)	121-126
Number of pages	6
Journal	Surface Science
Volume	561
Issue number	2-3
DOIs	https://doi.org/10.1016/j.susc.2004.05.100
Publication status	Published - 20 Jul 2004

Keywords

Aluminum
Atom-solid interactions
Cobalt
Nickel
Surface structure, morphology, roughness, and topography

ASJC Scopus subject areas

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

Access to Document

10.1016/j.susc.2004.05.100

Cite this

@article{745b291967ad45e79eaaca06b26ddc4d,

title = "Investigation of the twofold decagonal Al71.8Ni 14.8Co13.4(1 0 0 0 0) surface by SPA-LEED and He diffraction",

abstract = "The twofold decagonal Al71.8Ni14.8Co13.4(1 0 0 0 0) surface is investigated by using highly surface sensitive elastic helium atom scattering (HAS) and high resolution spot profile analyzing low energy electron diffraction (SPA-LEED). SPA-LEED and HAS data reveal diffraction patterns of the top most surface layer consistent with those of the surfaces generated by bulk truncations. Strong diffraction peaks corresponding to an 8 {\AA} periodicity are observed. These peaks are broadened along the quasiperiodic surface direction, reflecting a reduced correlation length of ≈80 {\AA} of the 8 {\AA} periodicity within the quasicrystalline planes. In addition very weak streaks corresponding to a 16 {\AA} periodicity are observed.",

keywords = "Aluminum, Atom-solid interactions, Cobalt, Nickel, Surface structure, morphology, roughness, and topography",

author = "Sharma, \{H. R.\} and Franke, \{K. J.\} and W. Theis and A. Riemann and S. F{\"o}lsch and Rieder, \{K. H.\} and P. Gille",

year = "2004",

month = jul,

day = "20",

doi = "10.1016/j.susc.2004.05.100",

language = "English",

volume = "561",

pages = "121--126",

journal = "Surface Science",

issn = "0039-6028",

publisher = "Elsevier",

number = "2-3",

}

TY - JOUR

T1 - Investigation of the twofold decagonal Al71.8Ni 14.8Co13.4(1 0 0 0 0) surface by SPA-LEED and He diffraction

AU - Sharma, H. R.

AU - Franke, K. J.

AU - Theis, W.

AU - Riemann, A.

AU - Fölsch, S.

AU - Rieder, K. H.

AU - Gille, P.

PY - 2004/7/20

Y1 - 2004/7/20

N2 - The twofold decagonal Al71.8Ni14.8Co13.4(1 0 0 0 0) surface is investigated by using highly surface sensitive elastic helium atom scattering (HAS) and high resolution spot profile analyzing low energy electron diffraction (SPA-LEED). SPA-LEED and HAS data reveal diffraction patterns of the top most surface layer consistent with those of the surfaces generated by bulk truncations. Strong diffraction peaks corresponding to an 8 Å periodicity are observed. These peaks are broadened along the quasiperiodic surface direction, reflecting a reduced correlation length of ≈80 Å of the 8 Å periodicity within the quasicrystalline planes. In addition very weak streaks corresponding to a 16 Å periodicity are observed.

AB - The twofold decagonal Al71.8Ni14.8Co13.4(1 0 0 0 0) surface is investigated by using highly surface sensitive elastic helium atom scattering (HAS) and high resolution spot profile analyzing low energy electron diffraction (SPA-LEED). SPA-LEED and HAS data reveal diffraction patterns of the top most surface layer consistent with those of the surfaces generated by bulk truncations. Strong diffraction peaks corresponding to an 8 Å periodicity are observed. These peaks are broadened along the quasiperiodic surface direction, reflecting a reduced correlation length of ≈80 Å of the 8 Å periodicity within the quasicrystalline planes. In addition very weak streaks corresponding to a 16 Å periodicity are observed.

KW - Aluminum

KW - Atom-solid interactions

KW - Cobalt

KW - Nickel

KW - Surface structure, morphology, roughness, and topography

U2 - 10.1016/j.susc.2004.05.100

DO - 10.1016/j.susc.2004.05.100

M3 - Article

AN - SCOPUS:3042848814

SN - 0039-6028

VL - 561

SP - 121

EP - 126

JO - Surface Science

JF - Surface Science

IS - 2-3

ER -