Cited by 74Advanced Memory and Neural ComputingRadiation Effects in ElectronicsFerroelectric and Negative Capacitance Devices

Total ionizing dose effect of γ-ray radiation on the switching characteristics and filament stability of HfOx resistive random access memory

Fang, Runchen, Gonzalez Velo, Yago, Chen, Wenhao, Holbert, Keith E., Kozicki, Michael N., Barnaby, Hugh, Yu, Shimeng·2014·Applied Physics Letters

Abstract

The total ionizing dose (TID) effect of gamma-ray (γ-ray) irradiation on HfOx based resistive random access memory was investigated by electrical and material characterizations. The memory states can sustain TID level ∼5.2 Mrad (HfO2) without significant change in the functionality or the switching characteristics under pulse cycling. However, the stability of the filament is weakened after irradiation as memory states are more vulnerable to flipping under the electrical stress. X-ray photoelectron spectroscopy was performed to ascertain the physical mechanism of the stability degradation, which is attributed to the Hf-O bond breaking by the high-energy γ-ray exposure.

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Crossref · 10.1063/1.4875748

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  • The new mechanism based on ionic/atomic motion indicates that the TRNG may be less vulnerable to environmental variations such as radiation relative to other electron-based TRNGs.

    “The new mechanism based on ionic/atomic motion indicates that our TRNG may be less vulnerable to environmental variations such as radiation relative to other electron-based TRNGs36.”
  • Our diffusive memristor TRNG (like all other memristive-switching-based TRNG) could be more resistant to harsh environments than other electron-based TRNGs.

    “which suggests that our diffusive memristor TRNG (like all other memristive-switching-based TRNG) could be more resistant to harsh environments than other electron-based TRNGs36.”

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Authors
Fang, R., Gonzalez Velo, Y., Chen, W., Holbert, K. E., Kozicki, M. N., Barnaby, H., & Yu, S.
Affiliations
  • Arizona State University (US)
  • Arizona State University 2 School of Electrical, Computer, and Energy Engineering, , Tempe, Arizona 85287, USA
Venue
Applied Physics Letters
Published
2014-05-05
Volume
104
Issue
18
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1985772533
Cited by
74
References
26
Citations by year
2026: 1 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 9 · 2020: 7 · 2019: 5 · 2018: 13 · 2017: 8 · 2016: 3 · 2015: 7 · 2014: 3
FWCI
3.72
Type
journal article
Language
en
Open access
closed
Locations
Applied Physics Letters (publishedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Memory and Neural Computing
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Radiation Effects in Electronics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Ferroelectric and Negative Capacitance Devices
Keywords
total ionizing dose, gamma irradiation, filament stability, switching characteristics

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