Atomic packing symmetry in the metallic liquid and glass states

X. J. Liu, Y. Xu, Z. P. Lu, X. Hui, G. L. Chen, Guangping Zheng, C. T. Liu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

42 Citations (Scopus)


Recently, we have revealed that the atomic packing in both metallic liquids and supercooled liquids can be described globally by the spherical-periodic order (SPO), while the global feature of the glassy solids can be characterized by the local translational symmetry (LTS) imposed on the SPO (Liu XJ, et al. Phys Rev Lett 2010;105:155501). In this study, we have conducted a systematic study of the effects of chemical compositions and radiation resources on the evolution of pair distribution function (PDF) profiles in the model Zr-Cu and Zr-Cu-Al glass-forming systems, by theoretical atomistic simulations coupled with synchrotron X-ray scattering experiments. Our results indicate that the global symmetry feature is held very well even in some complex cases, as long as their short-range orders can be carefully identified.
Original languageEnglish
Pages (from-to)6480-6488
Number of pages9
JournalActa Materialia
Issue number16
Publication statusPublished - 1 Sept 2011


  • Bulk amorphous materials
  • Liquids
  • Metallic glasses
  • Molecular dynamics
  • Synchrotron radiation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys


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