Effects of gamma-ray irradiation and electrical stress on ZnO thin film transistors
2013
Radiation tolerance is of interest in electronic applications such as radiation sensors, nuclear reactors, x-ray imagers, and high-energy particle accelerators. While properly designed Si MOSFETS are usefully radiation resistant, most thin-film transistors (TFTs), including polysilicon and a-Si:H, are severely degraded by relatively low irradiation dose (typically 60 Co gamma irradiation and electrical stress on the characteristics of ZnO TFTs with active and dielectric layers deposited by weak-oxidant plasma enhanced atomic layer deposition (PEALD).
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