Noble gas films on a decagonal AlNiCo quasicrystal

W. Setyawan, R. D. Diehl, N. Ferralis, M. W. Cole, S. Curtarolo

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Thermodynamic properties of Ne, Ar, Kr, and Xe adsorbed on an Al-Ni-Co quasicrystalline (QC) surface are studied with the grand canonical Monte Carlo technique by employing Lennard-Jones interactions with parameter values derived from experiments and traditional combining rules. In all the gas/QC systems, a layer-by-layer film growth is observed at low temperature. The monolayers have regular epitaxial fivefold arrangements which evolve toward sixfold close-packed structures as the pressure is increased. The final states can contain either considerable or negligible amounts of defects. In the latter case, there occurs a structural transition from fivefold to sixfold symmetry which can be described by introducing an order parameter, whose evolution characterizes the transition to be continuous or discontinuous as in the case of Xe/QC (first-order transition with associated latent heat). By simulating fictitious noble gases, we find that the existence of the transition is correlated with the size mismatch between adsorbate and substrate characteristic lengths. A simple rule is proposed to predict the phenomenon.

Original languageEnglish (US)
Article number016007
JournalJournal of Physics Condensed Matter
Volume19
Issue number1
DOIs
StatePublished - Jan 10 2007

Fingerprint

Noble Gases
Quasicrystals
Latent heat
Film growth
Adsorbates
Inert gases
rare gases
Monolayers
Thermodynamic properties
Gases
Defects
Substrates
Experiments
Temperature
latent heat
thermodynamic properties
defects
symmetry
gases
interactions

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Setyawan, W., Diehl, R. D., Ferralis, N., Cole, M. W., & Curtarolo, S. (2007). Noble gas films on a decagonal AlNiCo quasicrystal. Journal of Physics Condensed Matter, 19(1), [016007]. https://doi.org/10.1088/0953-8984/19/1/016007
Setyawan, W. ; Diehl, R. D. ; Ferralis, N. ; Cole, M. W. ; Curtarolo, S. / Noble gas films on a decagonal AlNiCo quasicrystal. In: Journal of Physics Condensed Matter. 2007 ; Vol. 19, No. 1.
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Setyawan, W, Diehl, RD, Ferralis, N, Cole, MW & Curtarolo, S 2007, 'Noble gas films on a decagonal AlNiCo quasicrystal', Journal of Physics Condensed Matter, vol. 19, no. 1, 016007. https://doi.org/10.1088/0953-8984/19/1/016007

Noble gas films on a decagonal AlNiCo quasicrystal. / Setyawan, W.; Diehl, R. D.; Ferralis, N.; Cole, M. W.; Curtarolo, S.

In: Journal of Physics Condensed Matter, Vol. 19, No. 1, 016007, 10.01.2007.

Research output: Contribution to journalArticle

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Setyawan W, Diehl RD, Ferralis N, Cole MW, Curtarolo S. Noble gas films on a decagonal AlNiCo quasicrystal. Journal of Physics Condensed Matter. 2007 Jan 10;19(1). 016007. https://doi.org/10.1088/0953-8984/19/1/016007