1. G. L. Hansen, J. L. Schmit, and T. N. Casselman, J, Appl. Phys. 53, 7099 (1982).
2. J. P. Laurenti, J. Camassel, A. Bouhemadou, B. Toulouse, R. Legros, and A. Lus-son, J. Appl. Phys. 67, 6454 (1990).
3. C. T. Elliott, in Properties of Narrow Gap Cadmium-Based Compounds, EMIS Datareviews Series No. 10, edited by P. Capper (INSPEC (IEE), London, 1994), p. 311.
4. I. M. Baker, in Properties of Narrow Gap Cadmium-Based Compounds, EMIS Datareviews Series No. 10, edited by P. Capper (INSPEC (IEE), London, 1994), p. 323.
5. J. D. Patterson, W. A. Gobba, and S. L. Lehoczky, J. Mater. Res. 7, 2211 (1992).