Comparison of proton microbeam and gamma irradiation for the radiation hardness testing of silicon PIN diodes (CROSBI ID 200237)
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Podaci o odgovornosti
Jakšić, Milko ; Grilj, Veljko ; Skukan, Natko ; Majer, Marija ; Jung, H.K. ; Kim, J.Y. ; Lee, N.H.
engleski
Comparison of proton microbeam and gamma irradiation for the radiation hardness testing of silicon PIN diodes
Simple and cost-effective solutions using Si PIN diodes as detectors are presently utilized in various radiation-related applications in which excessive exposure to radiation degrades their charge transport properties. One of the conventional methods for the radiation hardness testing of such devices is time-consuming irradiation with electron beam or gamma-ray irradiation facilities, high-energy proton accelerators, or with neutrons from research reactors. Recently, for the purpose of radiation hardness testing, a much faster nuclear microprobe based approach utilizing proton irradiation has been developed. To compare the two different irradiation techniques, silicon PIN diodes have been irradiated with a Co-60 gamma radiation source and with a 6MeV proton microbeam. The signal degradation in the silicon PIN diodes for both irradiation conditions has been probed by the IBIC (ion beam induced charge) technique, which can precisely monitor changes in charge collection efficiency. The results presented are reviewed on the basis of displacement damage calculations and NIEL (non-ionizing energy loss) concept.
Radiation damage; Solid state detectors; Radiation-hard detectors; Accelerator applications
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