Abstract
The interimpurity optical absorption in a parabolic quantum well is studied theoretically. Under the assumption of a lightly doped semiconductor, the probabilities of acceptor-to-donor transitions are determined and the corresponding coefficient of light absorption is calculated. Within the framework of the nearest neighbor model, the broadening of impurity levels connected with the spatial distribution of donor-acceptor pairs is taken into account. The dependence of the absorption coefficient on the impurity concentration is determined and the blueshift in the absorption spectrum is studied.
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Toginho Filho, D.O., Dias, I.F.L., Laureto, E., Duarte, J.L., Laurenco, S.A., and Pocas, L.C., J. Appl. Phys., 2005, vol. 97, p. 123702.
Guzman, A., Sanchez-Rojas, J.L., Tijero, J.M.G., Sanchez, J.J., Hernando, J., Calleja, E., Mufioz, E., Vergara, G., Montojo, M.T., Gornez, L.J., Rodriiguez, P., Alrnazan, R., and Verdu, M., IEEE Proc.-Optoelectron., 1999, vol. 146, p. 89.
Kundrotas, J., Cerskus, A., Asmontas, S., Valusis, G., Sherliker, B., Halsall, M.P., Steer, M.J., Johannessen, E., and Harrison, P., Phys. Rev. B, 2005, vol. 72, p. 235322.
Oliveira, L.E. and Perez-Alvarez, R., Phys. Rev. B, 1989, vol. 40, p. 10460.
Kazaryan, A.M. and Kazaryan E.M., FTP, 1977, vol. 7, p. 1383.
Kazaryan, E.M., Kostanyan, A.A., and Sarkisyan, H.A., Physica E, 2005, vol. 28, p. 423.
Kirakosyan, A.A. and Sarkisyan, E.A., J. Contemp. Phys. (Armenian Ac. Sci.), 1984, vol. 19, no. 3, p. 18.
Kazaryan, E.M., Melikian, A.O., and Minasyan, G.R., FTP, 1979, vol. 13, p. 2034.
Barker, J. and O’Raily, E., Physica E, 1999, vol. 4, p. 231.
Maksym, P.A. and Chakraborty, T., Phys. Rev. Lett., 1990, vol. 65, p. 108.
Peeters, F.M., Phys. Rev. B, 1990, vol. 42, p. 1486.
Bastard, G., Wave Mechanics Applied to Semiconductor Heterostructures, Les Ulis Cedex: Les Editions de Physique, 1989.
Ansel’m, A.I., Vvedenie v teoriyu poluprovodnikov (Introduction to the Theory of Semiconductors), Moscow: Nauka, 1978.
Döhler, G.M., Phys. Stat. Sol. (b), 1971, vol. 45, p. 705.
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Original Russian Text © A.A. Kostanyan, 2007, published in Izvestiya NAN Armenii, Fizika, 2007, Vol. 42, No. 3, pp. 161–167.
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Kostanyan, A.A. Optical absorption caused by the transitions between donor-acceptor pairs in a parabolic quantum well. J. Contemp. Phys. 42, 107–111 (2007). https://doi.org/10.3103/S1068337207030058
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DOI: https://doi.org/10.3103/S1068337207030058