DOI: 10.1126/science.1183723. Efficient Annealing of Radiation Damage Near Grain Boundaries via Interstitial Emission

Efficient Annealing of Radiation Damage Near Grain Boundaries via Interstitial Emission

10.1126/science.1183723

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Preventing Radiation Damage Inside a nuclear reactor, long-term exposure to radiation causes structural damage and limits the lifetimes of the reactor components. Bai et al. (p. 1631 ; see the Perspective by Ackland ) now show, using three simulation methods able to cover a wide range of time and length scales, that grain boundaries in copper can act as sinks for radiation-induced defects. The boundaries are able to store up defects, in the form of interstitials, which subsequently annihilate with vacancies in the bulk. This recombination mechanism has a lower energy barrier than the bulk equivalent, and so provides a lower-cost route for the copper to self-heal.

Bibliography

Bai, X.-M., Voter, A. F., Hoagland, R. G., Nastasi, M., & Uberuaga, B. P. (2010). Efficient Annealing of Radiation Damage Near Grain Boundaries via Interstitial Emission. Science, 327(5973), 1631â1634.

Authors 5

Xian-Ming Bai (first)
Arthur F. Voter (additional)
Richard G. Hoagland (additional)
Michael Nastasi (additional)
Blas P. Uberuaga (additional)

References 29 Referenced 957

Dates

Type	When
Created	15 years, 5 months ago (March 25, 2010, 2:51 p.m.)
Deposited	1 year, 7 months ago (Jan. 10, 2024, 4:39 a.m.)
Indexed	4 days ago (Aug. 28, 2025, 8:50 a.m.)
Issued	15 years, 5 months ago (March 26, 2010)
Published	15 years, 5 months ago (March 26, 2010)
Published Print	15 years, 5 months ago (March 26, 2010)

Funders 0

None

BibTeX

@article{Bai_2010, title={Efficient Annealing of Radiation Damage Near Grain Boundaries via Interstitial Emission}, volume={327}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1183723}, DOI={10.1126/science.1183723}, number={5973}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Bai, Xian-Ming and Voter, Arthur F. and Hoagland, Richard G. and Nastasi, Michael and Uberuaga, Blas P.}, year={2010}, month=mar, pages={1631–1634} }

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  "abstract": "<jats:title>Preventing Radiation Damage</jats:title>\n          <jats:p>\n            Inside a nuclear reactor, long-term exposure to radiation causes structural damage and limits the lifetimes of the reactor components.\n            <jats:bold>\n              Bai\n              <jats:italic>et al.</jats:italic>\n            </jats:bold>\n            (p.\n            <jats:related-article xmlns:xlink=\"http://www.w3.org/1999/xlink\" ext-link-type=\"doi\" page=\"1631\" related-article-type=\"in-this-issue\" vol=\"327\" xlink:href=\"10.1126/science.1183723\">1631</jats:related-article>\n            ; see the Perspective by\n            <jats:bold>\n              <jats:related-article xmlns:xlink=\"http://www.w3.org/1999/xlink\" ext-link-type=\"doi\" issue=\"5973\" page=\"1587\" related-article-type=\"in-this-issue\" vol=\"327\" xlink:href=\"10.1126/science.1188088\">Ackland</jats:related-article>\n            </jats:bold>\n            ) now show, using three simulation methods able to cover a wide range of time and length scales, that grain boundaries in copper can act as sinks for radiation-induced defects. The boundaries are able to store up defects, in the form of interstitials, which subsequently annihilate with vacancies in the bulk. This recombination mechanism has a lower energy barrier than the bulk equivalent, and so provides a lower-cost route for the copper to self-heal.\n          </jats:p>",
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