1. E. Bringuier, J. Appl. Phys. 66, 1314 (1989).
2. V. P. Singh, S. Krishna, and D. C. Morton, J. Appl. Phys. 70, 1811 (1991).
3. N. T. Gurin, A. V. Shlyapin, and O. Yu. Sabitov, Zh. Tekh. Fiz. 72(2), 74 (2002) [Tech. Phys. 47, 215 (2002)].
4. N. T. Gurin, A. V. Shlyapin, and O. Yu. Sabitov, Zh. Tekh. Fiz. 73, 100 (2003) [Tech. Phys. 48, 479 (2003)].
5. N. T. Gurin, A. M. Afanas’ev, O. Yu. Sabitov, and D. V. Ryabov, Fiz. Tekh. Poluprovodn. 40, 949 (2006) [Semiconductors 40, 920 (2006)].