The resistance of leds to the effects of gamma radiation in various operating modes

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Trends in Computer Science and Information Technology volume7-issue3 articles
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Submitted: December 2, 2022
Published: Dec 20, 2022
DOI: 10.17352/tcsit.000060
Keywords:
LED, Heterostructures, AlGaAs, Gamma quanta, Power supply

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Gradoboev Alexander*
Professor, Experimental Physics, Tomsk Polytechnic University, Russia
KN Orlova
Department of Nuclear Physics and Technology of the Office of Educational Programs, PhD, Specialist in Radiation Resistance, Radiation Safety and Radiation Effects in Solids, National Research Nuclear University (MEPHI) 115409, Moscow, Russia
VV Sednev
Head of the Laboratory for Special Tests, Specialist in the Field of Testing Semiconductor Technology to the Effects of Ionizing Radiation, JSС Research Institute of Semiconductor Devices, 634034, Tomsk, Krasnoarmeyskaya Street 99a, Russia
FF Zhamaldinov
PhD student, School of Nuclear Science & Engineering, Tomsk Polytechnic University, Lenina Avenue 30, 634050 Tomsk, Russia

Abstract

The effect of active and passive power modes on the resistance of the LEDs (LEDs) made of multilayer AlGaAs heterostructures to gamma-quantum irradiation was studied. Three characteristic stages of emission power reduction during irradiation are distinguished for the studied LEDs irrespective of the power supply mode. When irradiating LEDs in the active power supply mode, two differently directed processes of changes in the emission power are observed. The assumption is made that the first process is caused by a decrease in the LED emission power due to the injection of appropriate radiation defects. The second process is caused by a partial recovery of the emission power due to radiation, radiation-thermal, and/or electrostimulated annealing of some of the defects created. The observed recovery of the emission power in the active power mode of the LED during irradiation significantly increases its resistance to gamma-ray irradiation.

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Article Details

Alexander, G., Orlova, K., Sednev, V., & Zhamaldinov, F. (2022). The resistance of leds to the effects of gamma radiation in various operating modes. Trends in Computer Science and Information Technology, 7(3), 107–109. https://doi.org/10.17352/tcsit.000060
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Copyright (c) 2022 Alexander G, et al.

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