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(Cd,Mn)Te Crystal Plates for Radiation Detectors: Electrical Contacts and Surface Passivation

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Abstract

The development of a reliable technique for making good electrical contacts to semi-insulating (Cd,Mn)Te monocrystalline plates meant for x- and gamma radiation detectors, a technique of crystal surface preparation and a technique of passivation of the surfaces between electrodes were the main objectives of the studies. The investigations of the electrical contacts were focused on the amorphous/nanocrystalline contact layers. The effects of passivation of the inter-electrode surfaces on the magnitude of the surface leakage currents were studied.

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ACKNOWLEDGEMENTS

The work was partially funded by the National Science Centre, Poland through grant 2014/13/B/ST3/04423.

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Authors and Affiliations

  1. Institute of Physics Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland

    M. Witkowska-Baran, D. Kochanowska, A. Mycielski & A. J. Szadkowski

  2. Institute of Electron Technology, Al. Lotników 32/46, 02-668, Warsaw, Poland

    M. Juchniewicz & E. Kamińska

Authors
  1. M. Witkowska-Baran
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  2. D. Kochanowska
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  3. A. Mycielski
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  4. A. J. Szadkowski
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  5. M. Juchniewicz
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  6. E. Kamińska
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Correspondence to M. Witkowska-Baran.

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Witkowska-Baran, M., Kochanowska, D., Mycielski, A. et al. (Cd,Mn)Te Crystal Plates for Radiation Detectors: Electrical Contacts and Surface Passivation. J. Electron. Mater. 44, 3174–3179 (2015). https://doi.org/10.1007/s11664-015-3864-8

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  • DOI: https://doi.org/10.1007/s11664-015-3864-8

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