Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite
Abstract
Here, through examination of radiation tolerance properties of amorphous silicon oxycarbide (SiOC) and crystalline Fe composite to averaged damage levels, from approximately 8 to 30 displacements per atom (dpa), we demonstrated that the Fe/SiOC interface and the Fe/amorphous FexSiyOz interface act as efficient defect sinks and promote the recombination of vacancies and interstitials. For thick Fe/SiOC multilayers, a clear Fe/SiOC interface remained and no irradiation-induced mixing was observed even after 32 dpa. For thin Fe/SiOC multilayers, an amorphous FexSiyOz intermixed layer was observed to form at 8 dpa, but no further layer growth was observed for higher dpa levels.
- Authors:
-
- Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
- Texas A & M Univ., College Station, TX (United States)
- Publication Date:
- Research Org.:
- Univ. of Nebraska, Lincoln, NE (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 1435600
- Grant/Contract Number:
- NE0000533
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Materials Research Letters
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2166-3831
- Publisher:
- Taylor and Francis
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; 77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; Radiation-Tolerant Materials; Amorphous SiOC; Nanocrystalline Fe; Interface
Citation Formats
Su, Qing, Price, Lloyd, Shao, Lin, and Nastasi, Michael. Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite. United States: N. p., 2015.
Web. doi:10.1080/21663831.2015.1103796.
Su, Qing, Price, Lloyd, Shao, Lin, & Nastasi, Michael. Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite. United States. https://doi.org/10.1080/21663831.2015.1103796
Su, Qing, Price, Lloyd, Shao, Lin, and Nastasi, Michael. Thu .
"Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite". United States. https://doi.org/10.1080/21663831.2015.1103796. https://www.osti.gov/servlets/purl/1435600.
@article{osti_1435600,
title = {Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite},
author = {Su, Qing and Price, Lloyd and Shao, Lin and Nastasi, Michael},
abstractNote = {Here, through examination of radiation tolerance properties of amorphous silicon oxycarbide (SiOC) and crystalline Fe composite to averaged damage levels, from approximately 8 to 30 displacements per atom (dpa), we demonstrated that the Fe/SiOC interface and the Fe/amorphous FexSiyOz interface act as efficient defect sinks and promote the recombination of vacancies and interstitials. For thick Fe/SiOC multilayers, a clear Fe/SiOC interface remained and no irradiation-induced mixing was observed even after 32 dpa. For thin Fe/SiOC multilayers, an amorphous FexSiyOz intermixed layer was observed to form at 8 dpa, but no further layer growth was observed for higher dpa levels.},
doi = {10.1080/21663831.2015.1103796},
journal = {Materials Research Letters},
number = 1,
volume = 4,
place = {United States},
year = {2015},
month = {10}
}
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Cited by: 19 works
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Figures / Tables:
Figure 1: The depth profile of radiation damage and helium concentration for (a) nanocrystalline Fe, (b) thick and (c) thin Fe/SiOC multilayer which is simulated by SRIM (dose of 2 × 1021 ions/m2).
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Works referencing / citing this record:
Rapid and damage-free outgassing of implanted helium from amorphous silicon oxycarbide
journal, March 2018
- Su, Qing; Ding, Hepeng; Price, Lloyd
- Scientific Reports, Vol. 8, Issue 1
Mechanical Response of He-Implanted Amorphous SiOC/Crystalline Fe Nanolaminates
journal, March 2019
- Zare, A.; Su, Q.; Gigax, J.
- Scientific Reports, Vol. 9, Issue 1
Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite
journal, December 2018
- Su, Qing; Wang, Tianyao; Gigax, Jonathan
- Materials, Vol. 12, Issue 1
Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.