1. N. M. Mekhtiev, Yu. V. Rud’, and E. Yu. Salaev, Fiz. Tekh. Poluprovodn. (Leningrad) 12, 1566 (1978) [Sov. Phys. Semicond. 12, 924 (1978)].
2. V. N. Katerinchuk and M. Z. Kovalyuk, Pis’ma Zh. Tekh. Fiz. 18(12), 70 (1992) [Sov. Tech. Phys. Lett. 18, 394 (1992)].
3. S. Sze, Physics of Semiconductor Devices (Wiley, New York, 1981; Mir, Moscow, 1984), Vol. 2, Chap. 14.
4. S. Shigetomi, T. Ikari, Y. Koga, and S. Shigetomi, Jpn. J. Appl. Phys. 20, L343 (1981).
5. A. M. Goodman, J. Appl. Phys. 34, 329 (1963).