Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite

Su, Qing; Price, Lloyd; Shao, Lin; Nastasi, Michael

doi:10.1080/21663831.2015.1103796

Title: Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite

Journal Article · Thu Oct 29 00:00:00 EDT 2015 · Materials Research Letters

DOI:https://doi.org/10.1080/21663831.2015.1103796· OSTI ID:1435600

Su, Qing ^[1]; Price, Lloyd ^[2]; Shao, Lin ^[2]; Nastasi, Michael ^[1]

Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
Texas A & M Univ., College Station, TX (United States)

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 Fe_xSi_yO_z 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 Fe_xSi_yO_z intermixed layer was observed to form at 8 dpa, but no further layer growth was observed for higher dpa levels.

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Research Organization:: Univ. of Nebraska, Lincoln, NE (United States)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE)

Grant/Contract Number:: NE0000533

OSTI ID:: 1435600

Journal Information:: Materials Research Letters, Vol. 4, Issue 1; ISSN 2166-3831

Publisher:: Taylor and FrancisCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 19 works

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Cited By (3)

Rapid and damage-free outgassing of implanted helium from amorphous silicon oxycarbide Su, Qing; Ding, Hepeng; Price, Lloyd Scientific Reports, Vol. 8, Issue 1 https://doi.org/10.1038/s41598-018-23426-y	journal	March 2018
Mechanical Response of He-Implanted Amorphous SiOC/Crystalline Fe Nanolaminates Zare, A.; Su, Q.; Gigax, J. Scientific Reports, Vol. 9, Issue 1 https://doi.org/10.1038/s41598-019-41226-w	journal	March 2019
Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite Su, Qing; Wang, Tianyao; Gigax, Jonathan Materials, Vol. 12, Issue 1 https://doi.org/10.3390/ma12010093	journal	December 2018

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
77 NANOSCIENCE AND NANOTECHNOLOGY
36 MATERIALS SCIENCE
Radiation-Tolerant Materials
Amorphous SiOC
Nanocrystalline Fe
Interface