Radiation hardness of GaAs sensors against gamma-rays, neutrons and electrons

Andrea Šagátová,Bohumír Zaťko,F. Dubecký,Tu Ly Anh,Vladimír Nečas,Katarína Sedlačková,Márius Pavlovič,Marko Fülöp

Applied Surface Science（2017）

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摘要

•Radiation hardness of SI GaAs detectors against gamma-rays, neutrons and electrons was compared.•Good agreement was achieved between the experimental results and displacement damage factor of different types of radiation.•CCE and FWHM first slightly improved (by 1–8%) and just then degraded with the cumulative dose.•An increase of detection efficiency with cumulative dose was observed.

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关键词

GaAs detectors,Radiation hardness,Irradiation by gamma-rays,Neutrons,Electrons

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