The favoured cluster structures of model glass formers

  • Doye J
  • Wales D
  • Zetterling F
 et al. 
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Abstract

We examine the favoured cluster structures for two new potentials, which both behave as monatomic model glass-formers in bulk. We find that the oscillations in the interatomic potential lead to global minima that are non-compact arrangements of linked 13-atom icosahedra. We find that the structural properties of the clusters correlate with the glass-forming propensities of the potentials, and with the fragilities of the corresponding supercooled liquids.

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Authors

  • Jonathan P. K. Doye

  • David J. Wales

  • Fredrik H. M. Zetterling

  • Mikhail Dzugutov

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