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Dark-current relaxation in MnGa2Se4 single crystals

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Abstract

The results of investigation of isothermal currents and charge accumulation in In-MnGa2Se4-In sandwich structures are presented. The obtained data are analyzed on the basis of the theory of isothermal currents and the relay-race mechanism of charge transport. It is shown that the dark-current relaxation in MnGa2Se4 single crystals is associated with charge accumulation at deep levels due to injection from the cathode. The following parameters are determined: the contact capacitance C k = 2 × 10−13 F, the charge-accumulation-layer thickness d k = 4 × 10−6 cm, and the drift charge-carrier mobility μch = 3 × 10−8 cm2 V−1 s−1 in MnGa2Se4 single crystals.

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Correspondence to O. V. Tagiev.

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Original Russian Text © O.V. Tagiev, S.G. Asadullayeva, I.B. Bachtiyarly, K.O. Tagiev, 2013, published in Fizika i Tekhnika Poluprovodnikov, 2013, Vol. 47, No. 5, pp. 577–579.

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Tagiev, O.V., Asadullayeva, S.G., Bachtiyarly, I.B. et al. Dark-current relaxation in MnGa2Se4 single crystals. Semiconductors 47, 593–595 (2013). https://doi.org/10.1134/S1063782613050205

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  • DOI: https://doi.org/10.1134/S1063782613050205

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