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Model of the behavior of MOS structures under ionizing irradiation

  • Physics of Semiconductor Devices
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Abstract

A quantitative model describing the behavior of MOS structures under ionizing irradiation is developed. The model is based on the capture of holes by hydrogen-containing traps. Some traps are charged and thus form a positive space charge in the insulator. The other traps decay to release positive hydrogen ions. These ions migrate in the insulator electric field to the insulator-semiconductor interface, where they depassivate surface states. The charging of surface states both under irradiation and during measurement of the threshold voltage is taken into account.

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Correspondence to O. V. Aleksandrov.

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Original Russian Text © O.V. Aleksandrov, 2014, published in Fizika i Tekhnika Poluprovodnikov, 2014, Vol. 48, No. 4, pp. 523–528.

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Aleksandrov, O.V. Model of the behavior of MOS structures under ionizing irradiation. Semiconductors 48, 505–510 (2014). https://doi.org/10.1134/S1063782614040046

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  • DOI: https://doi.org/10.1134/S1063782614040046

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