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RBS/Channeling Diffusion Studies of High Energy Au Implanted Mg Single Crystals

  • R. C. Da Selva (a1), M. F. Da Silva (a1), L. Thomé (a2), A. A. Melo (a3) and J. C. Soares (a3)...

Abstract

RBS/channeling analyses of high energy Au implantation into Mg are presented. The diffusion behaviour of Au was studied and the occurrence of essentially two distinct regimes were observed: the segregation regime at lower temperatures correlated with the damage introduced by the high energy implantation and the higher temperature regime as a normal thermally activated process of back-diffusion.

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[1] da Silva, M.F., da Silva, M.R., Alves, E.J., Melo, A.A., Soares, J.C., Winand, P.M. and Vianden, R. in Surface Engineering, NATO ASI series E85 (M. Nijhoff Pub. Dordrecht, 1984), p. 74.
[2] da Silva, M.R., Melo, A.A., Soares, J.C., Da Silva, M.F. and Vianden, R., Nucl. Instr. and Meth. B, 15, 344 (1986).
[3] Cruz, M.M., Melo, A.A., Soares, J.C., da Silva, M.F. and Vianden, R., Nucl. Instr. and Meth. B, 19/20, 200(1987).
[4] da Silva, M.R., Melo, A.A., Soares, J.C., da Silva, M.F. and Vianden, R., Mat. Science and Eng., 90, 161 (1987).
[5] da Silva, R.C., da Silva, M.F., Kubeis, I., Mayer, O., Melo, A.A. and Soares, J.C., to be published in Nucl. Instr. and Meth., section B (1991).
[6] Biersack, J.P. and Haggmark, L.G., Nucl. Instr. and Meth., 174, 257 (1980).
[7] Schumacher, D., in Vacancies and Interstitials in Metals (North Holland, Amsterdam, 1969).

RBS/Channeling Diffusion Studies of High Energy Au Implanted Mg Single Crystals

  • R. C. Da Selva (a1), M. F. Da Silva (a1), L. Thomé (a2), A. A. Melo (a3) and J. C. Soares (a3)...

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