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

Chun Hsien Wu; Deborah M. Aruguete; W. T. Reynolds; M. Murayama

doi:10.1016/j.actamat.2014.04.048

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

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

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	180-187
Number of pages	8
Journal	Acta Materialia
Volume	75
DOIs	https://doi.org/10.1016/j.actamat.2014.04.048
Publication status	Published - Aug 15 2014
Externally published	Yes

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All Science Journal Classification (ASJC) codes

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

Cite this

Wu, C. H., Aruguete, D. M., Reynolds, W. T., & Murayama, M. (2014). The role of twin boundary and surface energies in periodically twinned 〈1 1 1〉 nanowires. Acta Materialia, 75, 180-187. https://doi.org/10.1016/j.actamat.2014.04.048

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10.1016/j.actamat.2014.04.048