Abstract
Mercury cadmium telluride n-Hg1 – xCdxTe (HgCdTe) films with near-surface wide-bangap layers were grown by molecular beam epitaxy on Si(013) substrates. Admittance of the metal–insulator–semiconductor (MIS) structure was measured in samples based on the initial HgCdTe film and the same films after implantation with As+ ions and after subsequent thermal annealing. Methods taking into account the presence of near-surface graded-gap layers and slow surface states were used to determine the main parameters of these layers upon technological procedures involved in the production of photodiodes.
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This work was supported in part by the Ministry of Science and Higher Education of the Russian Federation, project no. 0721-2020-0038.
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Voitsekhovskii, A.V., Nesmelov, S.N., Dzyadukh, S.M. et al. The Effect of As+ Ion Implantation and Annealing on the Electrical Properties of Near-Surface Layers in Graded-Gap n-Hg0.78Cd0.22Te Films. Tech. Phys. Lett. 47, 189–192 (2021). https://doi.org/10.1134/S1063785021020309
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DOI: https://doi.org/10.1134/S1063785021020309