Ion beam induced nanosized Ag metal clusters in glass
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Silver metal clusters have been formed in soda lime glass by high-energy heavy-ion irradiation at ISL. The metal cluster formation was detected with X-ray absorption spectroscopy (EXAFS) in fluorescence mode, and the shape of the clusters was imaged with transmission electron microscopy. While annealing in reducing atmosphere alone., leads to the formation of metal clusters in Ag-containing glasses, where the Ag was introduced by ion-exchange, such clusters are not very uniform in size and are randomly distributed over the Ag-containing glass volume. Irradiation with 600-MeV Au ions followed by annealing, however, results in clusters more uniform in size and arranged in chains parallel to the direction of the ion beam. (c) 2005 Elsevier B.V. All rights reserved.
Keywords:XAFS / TEK local structure / nanoclusters / ion beam modification / ion tracks
Source:Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2006, 245, 1, 222-224
- 6th International Symposium on Swift Heavy Ions in Matter, May 28-31, 2005, Aschaffenburg, Germany