Local electrode atom probe analysis of silicon nanowires grown with an aluminum catalyst

Chad Eichfeld, Stephan S.A. Gerstl, Ty Prosa, Yue Ke, Joan Marie Redwing, Suzanne E. Mohney

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Local electrode atom probe (LEAP) tomography of Al-catalyzed silicon nanowires synthesized by the vaporliquidsolid method is presented. The concentration of Al within the Al-catalyzed nanowire was found to be 2×10 20cm -3, which is higher than the expected solubility limit for Al in Si at the nanowire growth temperature of 550°C. Reconstructions of the Al contained within the nanowire indicate a denuded region adjacent to the Al catalyst/Si nanowire interface, while Al clusters are distributed throughout the rest of the silicon nanowire.

Original languageEnglish (US)
Article number215205
JournalNanotechnology
Volume23
Issue number21
DOIs
StatePublished - Jun 1 2012

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Silicon
Aluminum
Nanowires
Atoms
Electrodes
Catalysts
Growth temperature
Tomography
Solubility

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

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Local electrode atom probe analysis of silicon nanowires grown with an aluminum catalyst. / Eichfeld, Chad; Gerstl, Stephan S.A.; Prosa, Ty; Ke, Yue; Redwing, Joan Marie; Mohney, Suzanne E.

In: Nanotechnology, Vol. 23, No. 21, 215205, 01.06.2012.

Research output: Contribution to journalArticle

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AU - Mohney, Suzanne E.

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