Charge supported growth and superplasticity of sodium nanostructures

  • Wan Neng
  • , Li Tao Sun*
  • , Xiao Hui Hu
  • , Yi Yu Zhu
  • , Zha Lin
  • , Xu Tao
  • , Heng Chang Bi
  • , Sun Jun
  • , Fang Zhou Dong
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Single-crystal sodium nanostructures (SNs) grown from sodium chloride (NaCl) powder were observed under e-beam irradiation by in situ transmission electron microscopy technique. A novel charge-supported growth (CSG) mode was proposed to explain the rich growth dynamics observed in the in situ experiments, including diameter-dependent growth velocity, self-avoiding growth mode, and seized growth. The electrostatic effect was found to be the main driving force of the CSG. Superplasticity was also found in the single-crystal SNs that showed plastic superplastic elongations of ∼300% upon tension. The small size effect was found to be the main reason for the superplasticity.

Original languageEnglish
Pages (from-to)3899-3905
Number of pages7
JournalCrystal Growth and Design
Volume12
Issue number8
DOIs
StatePublished - 1 Aug 2012
Externally publishedYes

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