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ACS Nano. 2010 Apr 27;4(4):2228-32. doi: 10.1021/nn901614e.

Effects of the nanostructuring of gold films upon their thermal stability.

ACS nano

Michael Bowker, Albert F Carley, Philip R Davies, David J Morgan, Jonathan Crouch, Georgi Lalev, Stefan Dimov, Duc-Truong Pham

Affiliations

  1. Wolfson Nanoscience Laboratory, School of Chemistry, Cardiff University, Cardiff CF103AT, U.K. [email protected]

PMID: 20205410 DOI: 10.1021/nn901614e

Abstract

We report results relating to the thermal stability of nanoparticles and show a remarkable effect of nanostructuring of the metal. Au films are nanostructured by focused ion beam sputtering (FIB) to produce isolated areas of metal, which are imaged by atomic force microscopy (AFM). Images of the surface show that, if the islands are made small enough, the metal in the islands is lost by evaporation, whereas the nonfabricated areas outside are relatively stable and the nanoparticles remain present there.

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