Abstract
The times for the cascade capture of an electron by a charged impurity have been calculated for pulsed and stationary excitations of impurity photoconductivity in GaAs and InP. The characteristic capture times under pulsed and continuous excitations are shown to differ noticeably both from each other and from the value given by the Abakumov–Perel–Yassievich formula for a charged impurity concentration greater than 1010 cm–3. The cause of this difference has been established. The Abakumov–Perel–Yassievich formula for the cascade capture cross section in the case of stationary excitation has been generalized. The dependences of the cascade capture rate on the charged impurity concentration in GaAs and InP have been found for three temperatures in the case of pulsed excitation.
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Original Russian Text © V.Ya. Aleshkin, L.V. Gavrilenko, 2016, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 150, No. 2, pp. 328–336.
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Aleshkin, V.Y., Gavrilenko, L.V. Dynamics of the cascade capture of electrons by charged donors in GaAs and InP. J. Exp. Theor. Phys. 123, 284–291 (2016). https://doi.org/10.1134/S1063776116070013
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DOI: https://doi.org/10.1134/S1063776116070013