The size-dependent morphology of Pd nanoclusters formed by gas condensation

David Pearmain, S. J. Park, A. Abdela, R. E. Palmer, Z. Y. Li

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)
133 Downloads (Pure)

Abstract

Size-selected Pd nanoclusters in the size range from 887 to 10 000 atoms were synthesized in a magnetron sputtering, inert gas condensation cluster beam source equipped with a time of flight mass filter. Their morphologies were investigated using scanning transmission electron microscopy (STEM) and shown to be strongly size-dependent. The larger clusters exhibited elongated structures, which we attribute to the aggregation, through multiple collisions, of smaller clusters during the gas phase condensation process. This was confirmed from the atomically resolved STEM images of the Pd nanoclusters, which showed smaller primary clusters with their own crystalline structures.
Original languageEnglish
Pages (from-to)19647-19652
JournalNanoscale
Volume7
Issue number46
Early online date29 Oct 2015
DOIs
Publication statusPublished - 14 Dec 2015

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