Neutron Radiation Induced Degradation of Diode Characteristics
DEFENCE RESEARCH ESTABLISHMENT OTTAWA (ONTARIO)
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Neutrons radiation effects on diode current-voltage characteristics have been studied for a variety of diodes over 1x10 to the 13th power to 3x10 to the 15th power nsq cm 1 MeV equivalent neutron fluence range. A classification is proposed here for the first time. For constant forward current IF higher than that in the generation-recombination regime, the diode voltage VF either increases with fluence phi Type 1 diode, or VF first decreases with phi at lower fluence levels and then increases with phi at higher fluence levels Type 2 diode, or VF decreases with phi at all fluence levels used in this work Type 3 diode.
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