期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 22, 期 33, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/22/33/334205
关键词
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资金
- NSF [NIRT ECS-0609243]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0707332] Funding Source: National Science Foundation
Micro-Raman scattering from folds in single-layer graphene sheets finds a D-band at the fold for both incommensurate and commensurate folding, while the parent single-layer graphene lacks a D-band. A coupled elastic-continuum/tight-binding calculation suggests that this D-band arises from the spatially inhomogeneous curvature around a fold in a graphene sheet. The polarization dependence of the fold-induced D-band further reveals that the inhomogeneous curvature acts as a very smooth, ideal one-dimensional defect along the folding direction.
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