The role of twin boundary and surface energies in periodically twinned 〈1 1 1〉 nanowires

Chun Hsien Wu, Deborah Michiko Aruguete, W. T. Reynolds, M. Murayama

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Periodic twins are an intrinsic structural feature of some types of chemically synthesized metallic nanowires but not others. A model that accounts for this well-known observation is presented. The model considers the influence of twin boundary energy and surface energy on nanowire growth kinetics, and it was tested using high-resolution electron microscopy and parallel-nanobeam diffraction data from geometrically identical nanowires of gold and platinum. The effects of twin boundary energy on nanowire growth kinetics can explain the structural difference between the gold and platinum nanowires without the need to speculate about the nature of ligand interactions during growth.

Original languageEnglish (US)
Pages (from-to)180-187
Number of pages8
JournalActa Materialia
Volume75
DOIs
StatePublished - Aug 15 2014

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Interfacial energy
Nanowires
Growth kinetics
Platinum
Gold
High resolution electron microscopy
Diffraction
Ligands

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "Periodic twins are an intrinsic structural feature of some types of chemically synthesized metallic nanowires but not others. A model that accounts for this well-known observation is presented. The model considers the influence of twin boundary energy and surface energy on nanowire growth kinetics, and it was tested using high-resolution electron microscopy and parallel-nanobeam diffraction data from geometrically identical nanowires of gold and platinum. The effects of twin boundary energy on nanowire growth kinetics can explain the structural difference between the gold and platinum nanowires without the need to speculate about the nature of ligand interactions during growth.",
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The role of twin boundary and surface energies in periodically twinned 〈1 1 1〉 nanowires. / Wu, Chun Hsien; Aruguete, Deborah Michiko; Reynolds, W. T.; Murayama, M.

In: Acta Materialia, Vol. 75, 15.08.2014, p. 180-187.

Research output: Contribution to journalArticle

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