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Comparison of pMOSFET total dose response for Co-60 gammas and high-energy protons

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3 Author(s)
Pease, R.L. ; RLP Res. Inc., Albuquerque, NM, USA ; Simons, Mayrant ; Marshall, P.

The ionizing radiation response of pMOSFETs used as dosimeters (RADFETs) is compared for Co-60 gammas and high-energy protons. For comparable Co-60 and proton doses, RADFET response for high-energy protons (60-200 MeV) was found to be only 65-85% of their Co-60 response. This difference is not fully understood but is shown to be partially a result of increased columnar recombination in SiO2 for high-energy proton irradiation

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Nuclear Science, IEEE Transactions on  (Volume:48 ,  Issue: 3 )