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Residual charges effect on the annealing behavior of Co-60 irradiated MOS capacitors

Journal Article · · IEEE Trans. Nucl. Sci.; (United States)
DOI:https://doi.org/10.1109/23.12867· OSTI ID:6908134

It was experimentally observed that the residual charges of a MOS capacitor after C-V testing can exist for a long time. These residual charges induce a nonzero field at the SiO/sub 2//Si interface, and subsequently affect the annealing behavior due to a charge-temperature effect if the MOS capacitor is left floating during annealing. This problem is solved by a flat-band condition annealing method based on a charge-temperature technique. The annealing kinetics of a Co-60 irradiated MOS capacitor are then studied. A power law behavior of the annealing kinetics has been obtained for oxide charges annealed at 300/sup 0/C. Possible explanations are given for this observation.

Research Organization:
Dept. of Electrical Engineering, National Taiwan Univ., Taipei (TW)
OSTI ID:
6908134
Journal Information:
IEEE Trans. Nucl. Sci.; (United States), Journal Name: IEEE Trans. Nucl. Sci.; (United States) Vol. 35:1; ISSN IETNA
Country of Publication:
United States
Language:
English