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Title: 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:
 [1];  [2];  [2];  [1]
  1. Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
  2. 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 = {Thu Oct 29 00:00:00 EDT 2015},
month = {Thu Oct 29 00:00:00 EDT 2015}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 19 works
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Figures / Tables:

Figure 1 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 referenced in this record:

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Works referencing / citing this record:

Rapid and damage-free outgassing of implanted helium from amorphous silicon oxycarbide
journal, March 2018


Mechanical Response of He-Implanted Amorphous SiOC/Crystalline Fe Nanolaminates
journal, March 2019


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
  • DOI: 10.3390/ma12010093

Rapid and damage-free outgassing of implanted helium from amorphous silicon oxycarbide
journal, March 2018


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
  • DOI: 10.3390/ma12010093

Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.