Effects of radiation-induced defects on the charge collection efficiency of a silicon carbide particle detector
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説明
Radiation hardness of 6H silicon carbide (SiC) p + n diode particle detectors has been studied. The charge collection efficiency (CCE) of the detectors decreases with the increased fluence of electrons with energies of 0.2 MeV and higher. Defect X 2 with an activation energy of 0.5 eV was found in all detectors which showed the decreased CCE. The decreased CCE was restored to the initial value by thermal annealing of defect X 2 . It is concluded that defect X 2 is responsible for the decreased CCE of 6H-SiC p + n diode particle detectors.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 8725 87252G-, 2013-05-29
SPIE