Journal of Materials Science

, Volume 41, Issue 14, pp 4537–4542 | Cite as

Fabrication and characterization of Au-nanoparticle/W-nanodendrite structures on Al2O3 substrate

Article

Abstract

An Au-nanoparticle/W-nanodendrite compound structure was fabricated on an insulator Al2O3 substrate using an electron-beam-induced deposition (EBID) process combined with an ion sputtering method. The as-fabricated compound structures were characterized and analyzed using conventional and high-resolution transmission electron microscopy (CTEM and HRTEM) and X-ray energy dispersive spectroscopy (EDS). W-nanodendrite structures with the tips of 3 nm were grown self-standing at the edge of the Al2O3 substrate at positions separated from each other in distance of several nanometers. Au-nanoparticles with a grain size of 2.1 nm were uniformly distributed on the W-nanodendrites. The Au-nanoparticles were determined to be the equilibrium phase of Au with the face-centered cubic (fcc) structure.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.High Voltage Electron Microscopy StationNational Institute for Materials ScienceTsukubaJapan
  2. 2.Institute for Materials ResearchTohoku UniversityAoba-Ku, SendaiJapan

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