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Modeling of the Soft, 4He Droplet-mediated, Deposition of Metallic Nanoparticles: An Intermolecular Interaction Problem

AuthorsLara Castells, María Pilar de CSIC ORCID
Issue Date19-Feb-2017
Citation57th Sanibel symposium (2017)
AbstractThe ultra-cold 4He droplet-assisted synthesis and soft-deposition of metallic nanoparticles attracts nowadays strong attention due to both the exciting fundamental physics behind, including quantum vorticity in superfluid 4He droplets [1], and to the applications of the deposited metallic and bimetallic core-shell nanoparticles and nanowires [2¿4]. This talk is aimed to present modeling and simulation to deal with this in termolecular interaction problem at the interface between quantum fluid droplets and solid surfaces of different nature [5¿11]. The focus will be in recent ab-initio schemes combining dispersionless density functional [12], incremental post-Hartree-Fock [13], and symmetry-adapted perturbation theories [14] to describe He/surface, He/metal, and metal/surface van der Waals-dominated interactions, as well as the helium density functional approach [15] to acc ount for the time-dependent evolution of the superfluid 4He droplet motion. The upscaling problem to nanoscale metallic particles will also be discussed. Finally, very recent studies on the intermolecular interaction between 4He droplets and carbon nanotubes will be underlined [16].
Description57th Sanibel symposium, University of Florida, Feb 19th, 2017
Appears in Collections:(CFMAC-IFF) Comunicaciones congresos

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