Browsing by Author "Gordillo Bargueño, Maria Carmen"

4He adsorbed outside a single carbon nanotube
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20121008)
Article
Open AccessThe phase diagrams of 4He adsorbed on the external surfaces of single armchair carbon nanotubes with radii in the range 3.42–10.85 Å are calculated using the diffusion Monte Carlo method. For nanotubes narrower than a ... 
Atomic monolayer deposition on the surface of nanotube mechanical resonators
Tavernarakis, Alexandros; Chaste, Julien; Eichler, Alexander; Ceballo, Gustavo; Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi; Bachtold, Adrian (20140514)
Article
Open AccessWe study monolayers of noble gas atoms (Xe, Kr, Ar, and Ne) deposited on individual ultraclean suspended nanotubes. For this, we record the resonance frequency of the mechanical motion of the nanotube, since it provides a ... 
Fluid and registered phases in the second layer of 3He on graphite
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (American Physical Society, 20180529)
Article
Open AccessA quantum Monte Carlo approach, considering all the corrugation effects, was used to calculate the complete phase diagram of the second 3He layer adsorbed on graphite. We found that a firstlayer triangular solid was in ... 
H2 physisorbed on graphane
Carbonell Coronado, Carmen; De Soto Borrera, Feliciano Carlos; Cazorla Silva, Claudio; Boronat Medico, Jordi; Gordillo Bargueño, Maria Carmen (201306)
Article
Open AccessWe study the zerotemperature phase diagrams of H2 adsorbed on the three structures predicted for graphane (chair, boat and washboard graphane), using a diffusion Monte Carlo technique. Graphane is the hydrogenated version ... 
He3 on preplated graphite
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (American Physical Society, 20161018)
Article
Open AccessBy using the diffusion Monte Carlo method, we obtained the full phase diagram of He3 on top of graphite preplated with a solid layer of He4. All the He4 atoms of the substrate were explicitly considered and allowed to move ... 
Layering transition in superfluid helium adsorbed on a carbon nanotube mechanical resonator
Noury, Adrien; Vergara Cruz, Jorge; Morfin, Pascal; Plaçais, Bernard; Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi; Balibar, Sébastien; Bachtold, Adrian (American Institute of Physics (AIP), 20190423)
Article
Open AccessHelium is recognized as a model system for the study of phase transitions. Of particular interest is the superfluid phase in two dimensions. We report measurements on superfluid helium films adsorbed on the surface of a ... 
Liquid and solid phases of He3 on graphite
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20160404)
Article
Open AccessRecent heatcapacity experiments show quite unambiguously the existence of a liquid He3 phase adsorbed on graphite. This liquid is stable at an extremely low density, possibly one of the lowest found in nature. Previous ... 
Luttinger parameter of quasionedimensional para H2
Ferré Porta, Guillem; Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20170206)
Article
Open AccessWe have studied the groundstate properties of parahydrogen in one dimension and in quasionedimensional configurations using the pathintegral groundstate Monte Carlo method. This method produces zerotemperature exact ... 
Molecular dynamics simulations of supercritical water confined within a carbonslit pore
Martí Rabassa, Jordi; Sala Viñas, Jonàs; Guàrdia Manuel, Elvira; Gordillo Bargueño, Maria Carmen (200903)
Article
Open AccessWe report the results of a series of molecular dynamics simulations of water inside a carbonslit pore at supercritical conditions. A range of densities corresponding from liquid 0.66 g cm−3 to gas environments 0.08 g ... 
Onedimensional harmonically confined SU(N) fermions
Gordillo Bargueño, Maria Carmen; Mazzanti Castrillejo, Fernando Pablo; Boronat Medico, Jordi (American Physical Society (APS), 20190805)
Article
Open AccessWe study the momentum distributions and spatial correlations of few harmonically confined SU(N) fermions using quantum Monte Carlo methods. In our study, we vary the spin degeneracy N from 2 to 6 and the total number of ... 
Phase diagram of H2 adsorbed on graphene
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20100415)
Article
Open AccessThe phase diagram of the first layer of H2 adsorbed on top of a single graphene sheet has been calculated by means of a series of diffusion Monte Carlo simulations. We have found that, as in the case of 4He, the ground ... 
Phase diagrams of He4 on flat and curved environments
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (201306)
Article
Open AccessBy means of diffusion Monte Carlo calculations, we obtained the phase diagrams of a first and second layer of 4He on graphene and on the outside of different isolated armchair carbon nanotubes with radii in the range 3.42 ... 
Second layer of H2 and D2 adsorbed on graphene
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20130403)
Article
Open AccessWe report diffusion Monte Carlo calculations on the phase diagrams of paraH2 and orthoD2 adsorbed on top of a first layer of the same substances on graphene. We found that the ground state of the second layer is a ... 
Size effects on water adsorbed on hydrophobic probes at the nanometric scale
Calero Borrallo, Carles; Gordillo Bargueño, Maria Carmen; Martí Rabassa, Jordi (20130603)
Article
Open AccessMolecular dynamics simulations of liquid water at ambient conditions, adsorbed at the external walls of (n,n) singlewalled armchair carbon nanotubes have been performed for n = 5, 9, 12. The comparison with the case of ... 
Supersolidity in quantum films adsorbed on graphene and graphite
Gordillo Bargueño, Maria Carmen; Cazorla, C.; Boronat Medico, Jordi (20110317)
Article
Open AccessUsing quantum Monte Carlo we have studied the superfluid density of the first layer of 4He and H2 adsorbed on graphene and graphite. Our main focus has been on the equilibrium ground state of the system, which corresponds ... 
Water on graphene surfaces
Gordillo Bargueño, Maria Carmen; Martí Rabassa, Jordi (Institute Of Physics Publishing Ltd, 20100621)
Article
Open AccessIn this paper, we summarize the main results obtained in our group about the behavior of water confined inside or close to different graphene surfaces by means of molecular dynamics simulations. These include the inside ... 
Wetting and prewetting of water on top of a single sheet of hexagonal boron nitride
Gordillo Bargueño, Maria Carmen; Martí Rabassa, Jordi (20110706)
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Open AccessWetting of a single hexagonal boron nitride sheet by liquid water has been investigated by molecular dynamics simulations within a temperature range between 278 and 373 K. The wetting temperature was found to be ~310 K, ... 
Zerotemperature phase diagram of D2 physisorbed on graphane
Carbonell Coronado, Carmen; De Soto Borrera, Feliciano Carlos; Cazorla Silva, Claudio; Boronat Medico, Jordi; Gordillo Bargueño, Maria Carmen (Institute Of Physics Publishing Ltd, 20131006)
Article
Restricted access  publisher's policyWe determined the zerotemperature phase diagram of D2 physisorbed on graphane using the diffusion Monte Carlo method. The substrate used was Cgraphane, an allotropic form of the compound that has been experimentally ... 
Zerotemperature phase diagram of the second layer of 4He adsorbed on graphene
Gordillo Bargueño, Maria Carmen; Boronat Medico, Jordi (20120525)
Article
Open AccessThe phase diagram at zero temperature of 4He adsorbed on a helium incommensurate triangular solid on top of a single graphene sheet has been obtained using the diffusion Monte Carlo method. We have found that, in accordance ...