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Structural Coherency of Graphene on Ir(111)
Abstract
Low-pressure chemical vapor deposition allows one to grow high structural quality monolayer graphene on Ir(111). Using scanning tunneling microscopy, we show that graphene prepared this way exhibits remarkably large-scale continuity of its carbon rows over terraces and step edges. The graphene layer contains only a very low density of defects. These are zero-dimensional defects, edge dislocation cores consisting of heptagon-pentagon pairs of carbon atom rings, which we relate to small-angle in-plane tilt boundaries in the graphene. We quantitatively examined the bending of graphene across Ir step edges. The corresponding radius of curvature compares to typical radii of thin single-wall carbon nanotubes.
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Cited by
The electronic properties of graphene
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“Graphene samples with disclinations and dislocations are feasible in particular substrates (Coraux et al., 2008), and gauge fields related to the local curvature are then expected to play a crucial role in such structures.”
BackgroundProgress, Challenges, and Opportunities in Two-Dimensional Materials Beyond Graphene
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Interface-Assisted Synthesis of 2D Materials: Trend and Challenges
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A Review on Graphene-Based Gas/Vapor Sensors with Unique Properties and Potential Applications
Wang, T., Huang, D., Yang, Z., Xu, S., He, G., Li, X., Hu, N., Yin, G., He, D., & Zhang, L. (2016) · Nano-Micro Letters · doi:10.1007/s40820-015-0073-1 · Cited by 600
Metadata
- Authors
- Coraux, J., N‘Diaye, A. T., Busse, C., & Michely, T.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-01-12
- Volume
- 8
- Issue
- 2
- Pages
- 565-570
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1998050200
- Cited by
- 1,018
- References
- 5
- FWCI
- 39.07
- Type
- journal article
- Language
- en
- Open access
- closed
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