Вісник НТУУ «КПІ». Радіотехніка, радіоапаратобудування : збірник наукових праць, Вип. 96

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Перегляд Вісник НТУУ «КПІ». Радіотехніка, радіоапаратобудування : збірник наукових праць, Вип. 96 за Автор "Biliak, R. V."

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    Impact of Gamma, Neutron, Ion, and Electron Irradiation on Structure and Properties of Graphene
    (КПІ ім. Ігоря Сікорського, 2024) Biliak, R. V.
    This article discusses studies of the effects of various types of radiation, including y-radiation, neutron, ion, and electron irradiation, on graphene and graphene-based devices. The study of graphene’s response to radiation is crucial because of its potential applications in fields such as nuclear power and space exploration, where the impact of radiation is significant. This paper discusses recent experiments conducted to investigate the effects of y-radiation on graphene layers and devices based on graphene, which revealed changes in graphene layer spacing, defect formation, and electrical characteristics. Similarly, studies of the effect of neutron irradiation on graphene demonstrate its resistance to such radiation, with graphenebased sensors retaining functionality even after exposure to high neutron flux. Moreover, studies of ion irradiation reveal the ability to modify the structure of graphene, although it causes significant damage. The electron irradiation creates defects, which in turn reduced noise levels in graphene-based devices, a unique characteristic not observed in traditional materials. Conclusions were also drawn regarding the effect of temperature on graphene, and it was found that elevated temperatures contribute to the reduction of defects through annealing, demonstrating the self-healing properties of graphene. The paper concludes by emphasizing graphene’s resistance to radiation and its potential for use in high radiation environments where traditional materials may not be able to withstand. The results show that graphene-based sensors and devices can maintain functionality even in the presence of defects caused by radiation, which opens up promising prospects for applications in nuclear energy and space research. Further in-situ studies are recommended to better understand the real-time effects of radiation on device functionality. Overall, graphene is an excellent candidate for various applications due to its unique properties and radiation resistance.