1. U. Niggebrugge, M. Klug, and G. Garus,Inst. Phys. Conf. Ser. 79, 367 (1985).
2. T. R. Hayes, M. Dreisbach, P. Thomas, W. C. Dautremont-Smith, and L. A. Heimbrook,J. Vac. Sci. Technol. B 7, 1142 (1989).
3. S. J. Pearton, inHandbook of Compound Semiconductors, P. H. Holloway and G. E. McGuire, eds. (Noyes, Englewood Cliffs, New Jersey, 1996), Chapter 8.
4. D. L. Melville, J. G. Simmons, and D. A. Thompson,J. Vac. Sci. Technol. B 11, 2038 (1993).
5. D. M. Manos and D. L. Flamm,Plasma Etching—An Introduction (Academic Press, New York, 1989).