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- Title
3D characterization of the eutectic Au-Si alloy by using a nuclear microprobe.
- Authors
Demortier, G.; Mathot, S.
- Abstract
The quantitative analysis of silicon in gold is performed in the three dimensions by the spectroscopy of protons produced in various depths by scanning a microbeam of energetic deuterons. Owing to the high Coulomb repulsion of incident deuterons by heavy nuclei (like gold), proton emission can only be induced on light elements. The incident deuterons may approach silicon nuclei at a sufficiently close distance to be broken and to give rise to an emission of energetic protons. Measuring the energy of these protons leads to a quantitative method of analysis of silicon at various depths under the surface of the irradiated material. The spatial resolution in the three dimensions of space lies around 3 microns. Application is made to the study of eutectic gold-silicon alloys formed, in situ, and used for the soldering of gold at a low temperature (400° C).
- Publication
Scanning, 1991, Vol 13, Issue 5, p350
- ISSN
0161-0457
- Publication type
Article
- DOI
10.1002/sca.4950130504