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Related papers: Noble gas films on a decagonal AlNiCo quasicrystal

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We report results of the first computer simulation studies of a physically adsorbed gas on a quasicrystalline surface, Xe on decagonal Al-Ni-Co. The grand canonical Monte Carlo method is employed, using a semi-empirical gas-surface…

Materials Science · Physics 2009-11-11 Stefano Curtarolo , Wahyu Setyawan , Nicola Ferralis , Renee D. Diehl , Milton W. Cole

This paper reviews recent progress in the study of rare gas films on quasicrystalline surfaces. The adsorption of Xe on the 10-fold surface of decagonal Al-Ni-Co was studied using low-energy electron diffraction (LEED). The results of these…

Materials Science · Physics 2009-11-11 R. D. Diehl , W. Setyawan , N. Ferralis , R. A. Trasca , M. W. Cole , S. Curtarolo

The grand canonical Monte Carlo method is employed to study the adsorption of Xe on a quasicrystalline Al-Ni-Co surface. The calculation uses a semiempirical gas-surface interaction, based on conventional combining rules and the usual…

Soft Condensed Matter · Physics 2009-11-11 Wahyu Setyawan , Nicola Ferralis , Renee D. Diehl , Milton W. Cole , Stefano Curtarolo

Lubricants can affect quasicrystalline coatings surfaces by modifying commensurability of the interfaces. We report results of the first computer simulation studies of physically adsorbed hydrocarbons on a quasicrystalline surface: methane,…

Materials Science · Physics 2014-12-24 Wahyu Setyawan , Renee D. Diehl , Stefano Curtarolo

Adsorption properties of several gases (Ne, CH4, Ar, Xe) on the external surface of a carbon nanotube bundle are investigated. Calculations are performed at low coverage and variable temperature, and for some temperatures as a function of…

Soft Condensed Matter · Physics 2007-05-23 M. Mercedes Calbi , Milton W. Cole

Grand canonical Monte Carlo simulations have been performed to determine the adsorption behavior of Ar and Kr atoms on the exterior surface of a rope (bundle) consisting of many carbon nanotubes. The computed adsorption isotherms reveal…

Statistical Mechanics · Physics 2009-10-31 S. M. Gatica , M. J. Bojan , G. Stan , M. W. Cole

An interaction potential energy between and adsorbate (Xe and Ar) and the 10-fold Al-Ni-Co quasicrystal is computed by summing over all adsorbate-substrate interatomic interactions. The quasicrystal atoms' coordinates are obtained from LEED…

Materials Science · Physics 2009-11-10 R. A. Trasca , N. Ferralis , R. D. Diehl , M. W. Cole

We study the three-dimensional structure formation when atoms are deposited onto a substrate with a decagonal quasicrystalline order. Molecular-dynamicscalculations show that the adsorbate layer consists of ordered nano-scale domains with…

Materials Science · Physics 2007-11-29 Muhittin Mungan , Yves Weisskopf , Mehmet Erbudak

We employ canonical Monte Carlo simulations to explore the properties of an Ar film adsorbed on the external surface of a bundle of carbon nanotubes. The study is concerned primarily with three properties: specific heat $c(T)$, differential…

Soft Condensed Matter · Physics 2007-05-23 Nathan M. Urban , Silvina M. Gatica , Milton W. Cole , Jose L. Riccardo

A lattice gas model of adsorption inside cylindrical pores is evaluated with Monte Carlo simulations. The model incorporates two kinds of site: (a line of) ``axial'' sites and surrounding ``cylindrical shell'' sites, in ratio 1:7. The…

Statistical Mechanics · Physics 2009-11-10 Raluca A. Trasca , M. Mercedes Calbi , Milton W. Cole , Jose L. Riccardo

In the limit of a large number of colors (N), both Yang-Mills and quantum chromodynamics are expected to have a first-order phase transition separating a confined hadronic phase and a deconfined plasma phase. One aspect of this separation…

High Energy Physics - Phenomenology · Physics 2021-01-07 Thomas D. Cohen , Scott Lawrence , Yukari Yamauchi

A study on the NO2 gas sorption ability of amorphous Ge33Se67 coated quartz crystal microbalance (QCM) is presented. The thin films have been characterized before and after sorption/desorption processes of NO2 by energy-dispersive X-ray…

Disordered Systems and Neural Networks · Physics 2012-09-11 Velichka Georgieva , Maria Mitkova , Ping Chen , Dmitri Tenne , Kasandra Wolf , Victoria Gadjanova

In film growth on quasicrystalline surfaces, the epitaxy-imposed ordering cannot compete with the stable bulk phases of thick films due to absence of translational order in the structure of the substrate. Energetically, this renders the…

Materials Science · Physics 2010-07-01 Mehmet Erbudak , Muhittin Mungan , Sven Burkardt

The structural and thermal properties of Ne and Xe gases adsorbed on the outer surface of a large nanotube bundle have been evaluated with computer simulation. The potential energy model and numerical techniques were used previously to…

Statistical Mechanics · Physics 2009-11-13 Daniel E. Shai , Nathan M. Urban , Milton W. Cole

We investigate the high temperature decagonal quasicrystalline phase of Al$_{72}$Ni$_{20}$Co$_8$ using a quasilattice gas Monte-Carlo simulation. To avoid biasing towards a specific model we use an over-dense site list with a large fraction…

Materials Science · Physics 2007-05-23 S. Naidu , M. Mihalkovic , M. Widom

Glasses are ubiquitous in daily life and technology. However the microscopic mechanisms generating this state of matter remain subject to debate: Glasses are considered either as merely hyper-viscous liquids or as resulting from a genuine…

Disordered Systems and Neural Networks · Physics 2016-06-14 S. Albert , Th. Bauer , M. Michl , G. Biroli , J. -P. Bouchaud , A. Loidl , P. Lunkenheimer , R. Tourbot , C. Wiertel-Gasquet , F. Ladieu

The effects of substrate treatment, temperature and composition on the surface morphology of Ni-Cr thin films grown on MgO(001) are studied by scanning tunneling microscopy (STM) and atomic force microscopy (AFM). A combination of…

Materials Science · Physics 2016-12-21 Gopalakrishnan Ramalingam , Petra Reinke

The rheology of coextruded layered films of polystyrene/poly(methyl methacrylate) (PS/PMMA) has been studied with small and large amplitude oscillations at a temperature above their glass transition. While the complex viscosity remains…

Soft Condensed Matter · Physics 2025-04-25 Anna Dmochowska , Jorge Peixinho , Cyrille Sollogoub , Guillaume Miquelard-Garnier

We report our results on the adsorption of noble gases such as argon, krypton and xenon on a graphene sheet, using Grand Canonical Monte Carlo (GCMC) simulations. We calculated the two-dimensional gas-liquid critical temperature for each…

Materials Science · Physics 2016-09-08 Sidi M. Maiga , Silvina M. Gatica

In this study we investigated the sorption ability of Ge20Se80 thin films applied as active layers of quartz crystal microbalance (QCM) for NO2 gas sensing. To identify the chalcogenide system appropriate for gas sensing, we provided data…

Materials Science · Physics 2015-06-05 Ping Chen , Maria Mitkova , Dmitri A. Tenne , Kasandra Wolf , Velichka Georgieva , Lazar Vergov
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