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A Technique for Studying the Resistance of LEDS to Irradiation by Fast Neutrons at the IRT-T Reactor

Authors
  • Gradoboev, A. V.1, 2
  • Bondarenko, E. A.1
  • Varlachev, V. A.1
  • Yemets, E. G.1
  • Sednev, V. V.2
  • 1 Tomsk Polytechnic University, Tomsk, 634050, Russia , Tomsk (Russia)
  • 2 JSC Research Institute of Semiconductor Devices, Tomsk, 634034, Russia , Tomsk (Russia)
Type
Published Article
Journal
Instruments and Experimental Techniques
Publisher
Pleiades Publishing
Publication Date
Jul 27, 2021
Volume
64
Issue
4
Pages
619–622
Identifiers
DOI: 10.1134/S0020441221040060
Source
Springer Nature
Disciplines
  • Laboratory Techniques
License
Yellow

Abstract

Abstract—A technique for studying the resistance of IR-wavelength LEDs to the action of fast neutrons at the IRT-T reactor is described. A thermal neutron filter based on boron carbide and cadmium has been developed for the GEC-6 horizontal experimental channel of the IRT-T reactor. The identity of degradation processes in LEDs is shown when exposed to fast neutrons with pulsed (BARS-4 reactor) and continuous (GEC-6 of IRT-T reactor) fluence. The developed technique can be recommended for studying the resistance of various materials and electronic products to the action of fast neutrons in various irradiation regimes.

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