Modeling of diffusion motion of In nanoparticles in a CdTe crystal during laser-induced doping

Array

Authors

  • S.M. Levytskyi V.E. Lashkaryov Institute of Semiconductor Physics of the National Academy of Sciences of Ukraine
  • T. Zhao Energy Materials and Optoelectronics Unit, Songshan Lake Materials Laboratory
  • Z. Cao National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
  • A.V. Stronski National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”

DOI:

https://doi.org/10.15330/pcss.22.2.301-306

Keywords:

CdTe, laser induced doping, X/γ-ray detectors

Abstract

In order to solve the problem of the ohmic contact between the crystal surface and the metal electrode in the manufacturing process of the X/γ-ray detector, this paper uses a laser to probe the doping process of In/CdTe crystals in different media. In this experiment, the Traveling Heater Method (THM) is used to obtain CdTe(111) crystals that meet the requirements (ρ >109Ω∙cm). In and Au materials are respectively coated on the surface of the crystal sample by the vacuum thermal evaporation method to obtain the crystal sample meeting the requirements. The high-resistance p-type CdTe crystal of a relatively thick In film is irradiated with nanosecond laser pulses, the In film is used as an n-type doping source and as an electrode after laser irradiation.

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Published

2021-05-26

How to Cite

Levytskyi, S., Zhao, T., Cao, Z., & Stronski, A. (2021). Modeling of diffusion motion of In nanoparticles in a CdTe crystal during laser-induced doping: Array. Physics and Chemistry of Solid State, 22(2), 301–306. https://doi.org/10.15330/pcss.22.2.301-306

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Section

Scientific articles (Physics)