Neutron irradiation degrades the RD50-MPW4 pixel sensor's hit efficiency, but increasing the bias voltage restores efficiency to near pre-irradiation levels.
Sieberer, et al., RD50-MPW3: a fully monolithic digital cmos sensor for future tracking detectors, JINST 18 (2023) C02061
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Enhancing Radiation Hardness and Granularity in HV-CMOS: The RD50-MPW4 Sensor
Neutron irradiation degrades the RD50-MPW4 pixel sensor's hit efficiency, but increasing the bias voltage restores efficiency to near pre-irradiation levels.