Skip to main content Accessibility help
×
Home

Microstructural Characterization of α-Al2O3 Implanted with Iron

  • P.S. Sklad (a1), J.D. McCallum (a1), S.J. Pennycook (a1), C.J. McHargue (a1), C.W. White (a1) and A. Perez (a2)...

Abstract

The microstructural and compositional changes produced in the near surface region of single crystals of α-A12O3 by ion-implantation with iron have been investigated by a number of complementary techniques, including Rutherford backscattering spectroscopy (RBS), conversion-electron Mdssbauer spectroscopy (CEMS), analytical electron microscopy (AEM), and scanning transmission electron microscopy (STEM). Iron precipitates, 1 to 3 nm in diameter, have been identified in as-implanted material at depths corresponding to the peak in the deposited iron concentration profile. The same techniques have been used to monitor the redistribution of iron and the corresponding changes in valence state during post-implantation annealing. Electron microscopy has been used to correlate RSB and CEMS results with the microstructural development.

Copyright

References

Hide All
1. Farlow, G.C., White, C.W., McHargue, C.J., Sklad, P.S., and Appleton, B.R., Nucl. Inst. and Meth. B7/8, 541 (1985).
2. Sawicka, B.D. and Sawicki, J.A, Tovics in Current Physics, Vol. 25, edited by Gonser, U. (Springer, Berlin, 1981), p. 139.
3. McHargue, C.J., Sklad, P.S., White, C.W., Farlow, G.C., Perez, A., Kornilios, N., and Marest, G., in Fundamentals of Beam-Solid Interactions and Transient Thermal Processing, edited by Aziz, M.J., Rehn, L.E., and Stritzker, B. (Mater. Res. Soc. Proc. 100 Pittsburgh, PA 1988), pp. 119124.
4. Sklad, P.S., in Proc. 44th Ann. Meet. EMSA, edited by Bailey, G. W. (San Francisco Press, San Francisco, 1986), p. 276.
5. Fisher, A.T. and Angelini, P., in Proc. 43rd Ann. Meet. EMSA, edited by Bailey, G. W. (San Francisco Press, San Francisco, 1985), p. 182.
6. Sklad, P.S., McHargue, C.J., White, C.W., and Farlow, G.C., in High Tech Ceramics, edited by Vincenzini, P. (Elsevier Science Publishers B.V., Amsterdam, 1987), p. 1073.
7. McHargue, C.J., Farlow, G.C., Sklad, P.S., White, C.W., Perez, A., Kornilios, N., and Marest, G., Nucl. Inst. and Meth. B19/20, 813 (1987).
8. Pennycook, S.J., Berger, S.D., and Culbertson, R.J., J. of Microscopy 144, 229 (1986).
9. Sklad, P.S., in Proc. 45th Ann. Meet. EMSA, edited by Bailey, G. W. (San Francisco Press, San Francisco, 1987), p. 146.

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