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Cited by 912

The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.

Commensurate–incommensurate transition in graphene on hexagonal boron nitride

Open access
Woods, C. R., Britnell, L., Eckmann, A., Ma, R. S., Lu, J. C., Guo, H. M., Lin, X., Yu, G. L., Cao, Y., Gorbachev, R. V., Kretinin, A. V., Park, J., Ponomarenko, L. A., Katsnelson, M. I., Gornostyrev, Yu. N., Watanabe, K., Taniguchi, T., Casiraghi, C., Gao, H-J., Geim, A. K., Novoselov, K. S.·2014·Nature Physics

Abstract

When a crystal is subjected to a periodic potential, under certain circumstances it can adjust itself to follow the periodicity of the potential, resulting in a commensurate state. Of particular interest are topological defects between the two commensurate phases, such as solitons and domain walls. Here we report a commensurate–incommensurate transition for graphene on top of hexagonal boron nitride (hBN). Depending on the rotation angle between the lattices of the two crystals, graphene can either stretch to adapt to a slightly different hBN periodicity (for small angles, resulting in a commensurate state) or exhibit little adjustment (the incommensurate state). In the commensurate state, areas with matching lattice constants are separated by domain walls that accumulate the generated strain. Such soliton-like objects are not only of significant fundamental interest, but their presence could also explain recent experiments where electronic and optical properties of graphene-hBN heterostructures were observed to be considerably altered. A single layer of graphene on top of a hexagonal boron-nitride sheet can stretch to form a commensurate structure, or not — depending on the rotation angle between the two layers. In the case of commensurability, strain gets concentrated in domain walls, resulting in soliton-like structures.

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Crossref · 10.1038/nphys2954

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Metadata

Authors
Woods, C. R., Britnell, L., Eckmann, A., Ma, R. S., Lu, J. C., Guo, H. M., Lin, X., Yu, G. L., Cao, Y., Gorbachev, R. V., Kretinin, A. V., Park, J., Ponomarenko, L. A., Katsnelson, M. I., Gornostyrev, Y. N., Watanabe, K., Taniguchi, T., Casiraghi, C., Gao, H.-J., Geim, A. K., & Novoselov, K. S.
Venue
Nature Physics
Published
2014-04-28
Volume
10
Issue
6
Pages
451-456
ISSN
  • 1745-2473 (ISSN-L)
  • 1745-2481
OpenAlex
W2157720508
Cited by
912
References
29
FWCI
37.97
Type
journal article
Language
en
Open access
green

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