Simulations of the inert gas condensation processes

Pavel Krasnochtchekov, K. Albe, R. S. Averback

Research output: Contribution to journalArticlepeer-review

Abstract

Inert gas condensation of metallic and covalently bonded nanoparticles has been investigated using molecular-dynamics computer simulations. Using Ge as an example, the different phases of particle growth, nucleation, monomeric growth, and cluster aggregation, have been identified and the kinetics of each described. In addition, the evolutions of the morphologies of the different types of nanoparticles have been studied. It is shown that while covalently bonded nanoparticles tend toward a ramified structure, metallic nanoparticles remain compact, owing to deformation in the crystallized state. Finally, the strong influence of surface segregation on the structure of alloy nanoparticles is illustrated using a model system.

Original languageEnglish (US)
Pages (from-to)1098-1105
Number of pages8
JournalZeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
Volume94
Issue number10
DOIs
StatePublished - Oct 2003

Keywords

  • Inert gas condensation
  • Molecular dynamics
  • Nanoparticles

ASJC Scopus subject areas

  • Metals and Alloys

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