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Generation of size-selected gold nanoparticles by spark discharge - for growth of epitaxial nanowires

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Author

Summary, in English

One-dimensional semiconductor nanowires are a promising candidate for future electronic devices. The epitaxial growth of nanowires is often mediated by metal seed particles, usually gold particles. In this paper the setup of a simple and robust technique to generate nanometer-sized aerosol gold particles by spark discharge is described. Furthermore we demonstrate for the first time that particles generated by spark discharge can be used to design advanced nanoelectronic structures, namely nanowires. In order to obtain compact, spherical particles suitable for nanowire growth, the spark-generated agglomerate particles were reshaped in a special compaction furnace. The reshaped particles were used to seed the growth of epitaxial GaP and InP nanowires, by metal organic vapor phase epitaxy, which was shown to be a reliable and reproducible method. This work indicates the possibility of using spark-discharge generated gold particles for the creation of new electronic devices even at large scale processing.

Publishing year

2009

Language

English

Pages

20-26

Publication/Series

Gold Bulletin

Volume

42

Issue

1

Document type

Journal article

Publisher

World Gold Council

Topic

  • Condensed Matter Physics
  • Chemical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 0017-1557