DOI: 10.1126/science.1196893. Anomalous Strength Characteristics of Tilt Grain Boundaries in Graphene

Anomalous Strength Characteristics of Tilt Grain Boundaries in Graphene

10.1126/science.1196893

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Perfect Imperfections Graphene is composed of six-atom rings, but will include a number of five- and seven-atom rings as defects. Using simulations, Grantab et al. (p. 946 ) show that more defects do not necessarily lead to greater deterioration of mechanical properties. Mismatches caused by differences in the orientation of neighboring crystals are divided into low- and high-angle grain boundaries, and typically it is the lower-angle boundaries that are stronger. In graphene, by contrast, the larger-angle boundaries, which consist of higher-defect densities, are better able to accommodate the strain and prevent failure that originates in the breakup of the seven-member graphene rings. This suggests ways for synthesizing imperfect graphene sheets that will have mechanical properties that are close to those of perfect graphene.

Bibliography

Grantab, R., Shenoy, V. B., & Ruoff, R. S. (2010). Anomalous Strength Characteristics of Tilt Grain Boundaries in Graphene. Science, 330(6006), 946â948.

Authors 3

Rassin Grantab (first)
Vivek B. Shenoy (additional)
Rodney S. Ruoff (additional)

References 27 Referenced 758

10.1126/science.1158877
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Huang J. Y., Ding F., Yakobson B. I., Dislocation dynamics in multiwalled carbon nanotubes at high temperatures. Phys. Rev. Lett. 100, 035503 (2008).18232998 (10.1103/PhysRevLett.100.035503) / Phys. Rev. Lett. / Dislocation dynamics in multiwalled carbon nanotubes at high temperatures by Huang J. Y. (2008)
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Dates

Type	When
Created	14 years, 9 months ago (Nov. 11, 2010, 2:34 p.m.)
Deposited	1 year, 7 months ago (Jan. 10, 2024, 9:07 a.m.)
Indexed	3 days, 21 hours ago (Aug. 22, 2025, 12:49 a.m.)
Issued	14 years, 9 months ago (Nov. 12, 2010)
Published	14 years, 9 months ago (Nov. 12, 2010)
Published Print	14 years, 9 months ago (Nov. 12, 2010)

Funders 0

None

BibTeX

@article{Grantab_2010, title={Anomalous Strength Characteristics of Tilt Grain Boundaries in Graphene}, volume={330}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1196893}, DOI={10.1126/science.1196893}, number={6006}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Grantab, Rassin and Shenoy, Vivek B. and Ruoff, Rodney S.}, year={2010}, month=nov, pages={946–948} }

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