Fabrication and application potential of ZnO nanowires grown on GaAs(002) substrates by metal-organic chemical vapour deposition

Woong Lee, Min Chang Jeong, Jae Min Myoung

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

ZnO nanowires were grown on GaAs(002) single-crystal substrates using metal-organic chemical vapour deposition. X-ray diffraction analysis, scanning electron microscopy and photoluminescence spectroscopy were carried out to characterize their crystallinity, orientations, dimensions and optical properties. It was demonstrated that well aligned arrays of single-crystalline ZnO nanowires with sharp tips could be grown on GaAs substrates using a typical thin film deposition technique without catalysts. The application potential of the nanowires as probes of atomic force microscopes (AFMs) was then discussed by predicting their structural compatibility with AFM cantilevers based on continuum elasticity and finite element analysis. Theoretically estimated mechanical properties of the ZnO nanowires suggested that they are structurally compatible with typical AFM cantilevers while maintaining mechanical stability during operation and they are therefore promising candidates for high aspect ratio probes.

Original languageEnglish
Pages (from-to)254-259
Number of pages6
JournalNanotechnology
Volume15
Issue number3
DOIs
Publication statusPublished - 2004 Mar 1

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Organic Chemicals
Organic chemicals
Nanowires
Chemical vapor deposition
Metals
Fabrication
Microscopes
Substrates
Photoluminescence spectroscopy
Mechanical stability
X ray diffraction analysis
Aspect ratio
Elasticity
Optical properties
Single crystals
Crystalline materials
Finite element method
Thin films
Mechanical properties
Scanning electron microscopy

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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Fabrication and application potential of ZnO nanowires grown on GaAs(002) substrates by metal-organic chemical vapour deposition. / Lee, Woong; Jeong, Min Chang; Myoung, Jae Min.

In: Nanotechnology, Vol. 15, No. 3, 01.03.2004, p. 254-259.

Research output: Contribution to journalArticle

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