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Gamma-ray irradiation and post-irradiation responses have been studied for the two types of radiation sensitive p-channel MOSFETs (RADFETs) from different manufacturers. In addition to, in dosimetric applications standard, threshold voltage measurements at a single specified current, transistor – and charge-pumping characteristics have been monitored. This has been shown to be useful in providing a more detailed insight into processes that occur during irradiation and subsequent annealing at elevated temperature. In particular, the role of switching oxide traps (also known as “border” traps) and electron traps in studied devices has been revealed.


Click HERE to download the full Gamma-Ray Irradiation and Post-Irradiation Responses of High Dose Range RADFETs publication.

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