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Basic single-event mechanisms in Ge-based nanoelectronics subjected to terrestrial atmospheric neutrons

Abstract : Germanium is potentially candidate to replace silicon in ultra-scaled transistors. This work analyses the radiation response of germanium in thin layer subjected to atmospheric neutrons simulated with Geant4 and quantifies the underlying mechanisms potentially responsible of single event effects in Ge-based CMOS technologies. From this analysis of interactions at material-level, reliability assessments for Gebased nanoelectronics are tentatively deduced for technological nodes ranging from 180 nm to 5 nm in terms of nature and number of nuclear events susceptible to upset a SRAM memory cell. Finally, first soft error rate projections are performed for germanium SRAMs in 130, 65 and 40 nm based on a simulation methodology previously developed and fully validated on silicon memories also characterized by real-time experiments.
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https://hal-amu.archives-ouvertes.fr/hal-03358432
Contributor : Daniela Munteanu Connect in order to contact the contributor
Submitted on : Wednesday, September 29, 2021 - 1:27:04 PM
Last modification on : Friday, April 1, 2022 - 3:54:07 AM
Long-term archiving on: : Thursday, December 30, 2021 - 7:09:40 PM

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Daniela Munteanu, Soilihi Moindjie, Jean-Luc Autran. Basic single-event mechanisms in Ge-based nanoelectronics subjected to terrestrial atmospheric neutrons. Microelectronics Reliability, Elsevier, 2021, ⟨10.1016/j.microrel.2021.114256⟩. ⟨hal-03358432⟩

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