Thermal excitation in a spatially modulated monolayer solid: Incommensurate xenon/graphite

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Abstract
  • Calculations of the properties of monolayer xenon/graphite for temperatures up to its triple point at 100 K are reported. The average lattice constant and orientational epitaxy angle for the monolayer solid are evaluated along its (two-dimensional) sublimation curve. The incommensurate rotated lattice approaches the incommensurate aligned configuration as the melting temperature is approached, as in experiments. The calculated temperature, latent heat of melting, and solid-liquid density difference at the triple point agree with experiment. The methods include molecular dynamics simulations for large submonolayer patches of xenon and both self-consistentphonon and perturbation-variation approximations. An overall quantitative agreement between the simulations, calculations, and experimental data is achieved with an interaction model that includes the spatially periodic xenon-graphite corrugation energy.
TitleThermal excitation in a spatially modulated monolayer solid: Incommensurate xenon/graphite
CreatorNovaco, Anthony D.
Bruch, L. W.
PublisherPhysical Review B
Academic DepartmentPhysics
DivisionNatural Sciences
OrganizationLafayette College
Date Issued2014
Date Available2014-05-01T13:12:18Z
TypeArticle
LanguageEnglish
Bibliographic CitationNovaco, A. D. and L. W. Bruch (2014) "Thermal excitation in a spatially modulated monolayer solid: Incommensurate xenon/graphite." Physical Review B 89 (12): 125431-1 - 125431-14.
Standard IdentifierHandle 10385/1450
DOI 10.1103/PhysRevB.89.125431
Permalinkhttp://hdl.handle.net/10385/1450
Rights Statement In Copyright In Copyright
Rights HoldersAmerican Physical Society
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File Novaco-PhysicalReviewB-vol89-2014-supplement.pdf Uploaded 2019-10-20 Public Download
File Novaco-PhysicalReviewB-vol89-2014.pdf Uploaded 2019-10-20 Public Download

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