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Title: Superfluid helium droplet-mediated surface-deposition of neutral and charged silver atomic species.
Author: Fernández, Berta
Pi Pericay, Martí
De Lara-Castells, Maria Pilar
Keywords: Superfluïdesa
Issue Date: 2-Jun-2023
Publisher: Royal Society of Chemistry
Abstract: Experimental and theoretical work has delivered evidence of the helium nanodroplet-mediated synthesis and soft-landing of metal nanoparticles, nanowires, clusters, and single atoms on solid sup- ports. Recent experimental advances have allowed the formation of charged metal clusters into multiply charged helium nanodroplets. The impact of the charge of immersed metal species in helium nanodroplet-mediated surface deposition is proved by considering silver atoms and cations at zero-temperature graphene as the support. By combining high-level ab initio intermolecular inter- action theory with a full quantum description of the superfluid helium nanodroplet motion, evidence is presented that the fundamental mechanism of soft-deposition is preserved in spite of the much stronger interaction of charged species with surfaces, with high-density fluctuations in the helium droplet playing an essential role in braking them. Corroboration is also presented that the soft- landing becomes favored as the helium nanodroplet size increases.
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It is part of: Physical Chemistry Chemical Physics, 2023, vol. 25, p. 16699-16706
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ISSN: 1463-9076
Appears in Collections:Articles publicats en revistes (Institut de Nanociència i Nanotecnologia (IN2UB))
Articles publicats en revistes (Física Quàntica i Astrofísica)

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