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EnglishThe ion-beam mixing of SiC-coated Fe, Cr, Ni, Cu, and stainless steel was investigated, by means of Auger electron spectroscopy, to determine the role of thermodynamics in the process. Both inert (Ar+) and reactive (N+) ions were used at either 30 keV or 160 keV incident energy. A mechanism involving thermally activated motion of bombardment-induced defects appeared relevant to the onset of a chemical bias in the mixing. Further, the formalism established for describing ion mixing, based on Darken's analysis of chemical interdiffusion coefficients, provided a quantitative interpretation of the results.
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| Titolo: | Thermodynamic effects on ion-beam mixing in SiC-metal systems |
| Autori Unitn: | |
| Anno di pubblicazione: | 1994 |
| Titolo del periodico: | |
| Abstract: | The ion-beam mixing of SiC-coated Fe, Cr, Ni, Cu, and stainless steel was investigated, by means of Auger electron spectroscopy, to determine the role of thermodynamics in the process. Both inert (Ar+) and reactive (N+) ions were used at either 30 keV or 160 keV incident energy. A mechanism involving thermally activated motion of bombardment-induced defects appeared relevant to the onset of a chemical bias in the mixing. Further, the formalism established for describing ion mixing, based on Darken's analysis of chemical interdiffusion coefficients, provided a quantitative interpretation of the results. |
| Handle: | http://hdl.handle.net/11572/91712 |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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