Skip to main content Accessibility help
×
Home

High-Temperature Au Implantation into Ni-Be and Ni-Si Alloys

  • M. R. James (a1) (a2), N. Q. Lam (a1), L. E. Rehn (a1), P. M. Baldo (a1), L. Funk (a1) and J. F. Stubbins (a2)...

Abstract

The effects of implantation temperature and target composition on the depth distribution of the implanted species were systematically investigated in the present work. Au+ ions were implanted at 300 keV into polycrystalline Ni-Be and Ni-Si alloys at temperatures between 25 and 700 °C to a dose of 1016 cm−2. The depth distributions of Au were analyzed with RBS using He+ at both 1.7 and 3.0 MeV, and those of the other alloying elements by SIMS. Theoretical modeling of compositional redistribution during implantation at elevated temperatures was also carried out with the aid of a comprehensive kinetic model. The analysis indicated that below ∼250 °C, the primary controlling processes were preferential sputtering and displacement mixing, while between 250 and 600 °C radiation-induced segregation was dominant. Above 600 °C, thermal-diffusion effects were most important. A systematic fitting of model calculations to experimental measurements provided values for various defect migration and formation parameters.

Copyright

References

Hide All
1. Lam, N. Q. and Wiedersich, H., Nucl. Inst. Meth. B18 (1987) 471.
2. Yacout, A. M., Lam, N. Q. and Stubbins, J. F., Nucl. Inst. Meth. B42(1989) 49.
3. James, M. R., Lam, N. Q., Rehn, L. E., Baldo, P. M., Funk, L. and Stubbins, J. F, Surf. and Coatings Technol. 51 (1992) 435.
4. Thompson, L.J., RSVP Computer Code, Materials Science Division, Argonne National Laboratory, Argonne, II, 1982.
5. Biersack, J. P. and Haggmark, L. G., Nucl. Inst. Meth. 174 (1980) 257.
6. Lam, N. Q., Hoff, H. A., and Rgnier, P. G., J. Vac. Sci. Technol. A3 (1985) 2152.
7. Lam, N. Q., Okamoto, P. R., and Johnson, R. A., J. Nucl. Mater. 78 (1978) 408.
8. Wiedersich, H. and Lam, N. Q., in Phase Transformations during Irradiation, edited by Nolfi, F. V. Jr, (Applied Science Publishers, Barking, Essex, 1983) p. 1.
9. Robrock, K. H., in Phase Transformations during Irradiation, edited by Nolfi, F. V. Jr, (Applied Science Publishers, Barking, Essex, 1983), p. 115.
10. Petusky, W. T. in: Non-traditional Methods in Diffusion, Eds. Murch, G. E. and Birnbaum, H. K. (The Metallurgical Society of AIME, New York, 1984) p. 179.
11. Lam, N. Q. and Wiedersich, H., J. Nucl. Mater. 103&104 (1981) 433.
12. Lam, N. Q. and Leaf, G. K., J. Mater. Res. 1 (1986) 251.
13. Hindmarsh, A. C., in Scientific Computing, edited by Stepleman, R. S., Carver, M., Peskin, R., Ames, M.F. and Vichnevetsky, R. (North-Holland, Amsterdam, 1983) p. 55.

High-Temperature Au Implantation into Ni-Be and Ni-Si Alloys

  • M. R. James (a1) (a2), N. Q. Lam (a1), L. E. Rehn (a1), P. M. Baldo (a1), L. Funk (a1) and J. F. Stubbins (a2)...

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed