Enhanced Radiation Induced Narrow Channel Effects in a Commercial 0.18 µm Bulk Technology

Abstract : otal ionizing dose effects are investigated in input/output transistors that are fabricated by using a commercial 0.18 μm bulk process. An enhanced radiation-induced narrow channel effect is demonstrated in N-type metal-oxide semiconductor (NMOS) and P-type metal-oxide semiconductor (PMOS) transistors, leading to a significant threshold voltage shift which may compromise circuit operations. Calculations using a code dedicated to radiation-induced charge trapping in oxides show that the radiation-induced positive charge trapping in trench oxides leads to the modifications of the electrical characteristics experimentally evidenced. Radiation hardening issues are finally discussed as a function of the device geometry and design.
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https://hal-ujm.archives-ouvertes.fr/ujm-01011678
Contributor : Sylvain Girard <>
Submitted on : Tuesday, June 24, 2014 - 12:11:03 PM
Last modification on : Monday, October 15, 2018 - 3:54:03 PM

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M. Gaillardin, Vincent Goiffon, Sylvain Girard, M. Martinez, Pierre Magnan, et al.. Enhanced Radiation Induced Narrow Channel Effects in a Commercial 0.18 µm Bulk Technology. IEEE Transactions on Nuclear Science, Institute of Electrical and Electronics Engineers, 2011, 58 (6), pp.2807 - 2815. ⟨10.1109/TNS.2011.2170854⟩. ⟨ujm-01011678⟩

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