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On the possibility of determining the diffusion length of excitons in semiconductors from photomagnetic measurement data

  • Semiconductors and Dielectrics
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Abstract

The effect of a magnetic field on the photocurrent I ph in Si and GaAs solar cells is investigated. It is shown that the observed change in the photocurrent I ph of the solar cells in response to a magnetic field can be caused by a decrease in the diffusion length of excitons L exc. A simplified model of the photomagnetic experiment is proposed to estimate the diffusion length of excitons L exc and the contribution made by excitons to the photocurrent of the solar cells.

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Authors and Affiliations

  1. Physicotechnical Institute, Physics-Sun Scientific Production Association, Uzbek Academy of Sciences, ul. Mavlanova 2B, Tashkent, 700084, Uzbekistan

    I. G. Atabaev, N. A. Matchanov, M. U. Khazhiev & D. Saidov

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  1. I. G. Atabaev
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  2. N. A. Matchanov
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  3. M. U. Khazhiev
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  4. D. Saidov
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__________

Translated from Fizika Tverdogo Tela, Vol. 47, No. 11, 2005, pp. 1946–1949.

Original Russian Text Copyright © 2005 by Atabaev, Matchanov, Khazhiev, Saidov.

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Atabaev, I.G., Matchanov, N.A., Khazhiev, M.U. et al. On the possibility of determining the diffusion length of excitons in semiconductors from photomagnetic measurement data. Phys. Solid State 47, 2025–2029 (2005). https://doi.org/10.1134/1.2131139

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