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Mechanical properties of atomically thin boron nitride and the role of interlayer interactions

Falin, Aleksey, Cai, Qiran, Santos, Elton J.G., Scullion, Declan, Qian, Dong, Zhang, Rui, Yang, Zhi, Huang, Shaoming, Watanabe, Kenji, Taniguchi, Takashi, Barnett, Matthew R., Chen, Ying, Ruoff, Rodney S. and Li, Lu Hua 2017, Mechanical properties of atomically thin boron nitride and the role of interlayer interactions, Nature communications, vol. 8, pp. 1-9, doi: 10.1038/ncomms15815.

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Title Mechanical properties of atomically thin boron nitride and the role of interlayer interactions
Author(s) Falin, Aleksey
Cai, Qiran
Santos, Elton J.G.
Scullion, Declan
Qian, Dong
Zhang, Rui
Yang, Zhi
Huang, Shaoming
Watanabe, Kenji
Taniguchi, Takashi
Barnett, Matthew R.ORCID iD for Barnett, Matthew R. orcid.org/0000-0001-8287-9044
Chen, YingORCID iD for Chen, Ying orcid.org/0000-0002-7322-2224
Ruoff, Rodney S.
Li, Lu Hua
Journal name Nature communications
Volume number 8
Article ID 15815
Start page 1
End page 9
Total pages 9
Publisher Springer Nature
Place of publication London, Eng.
Publication date 2017-06
ISSN 2041-1723
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
AUGMENTED-WAVE METHOD
ELASTIC PROPERTIES
AB-INITIO
GRAPHENE MEMBRANES
INTRINSIC STRENGTH
MOLECULAR-DYNAMICS
RAMAN-SPECTROSCOPY
NANOSHEETS
SHEETS
MOS2
Summary Atomically thin boron nitride (BN) nanosheets are important two-dimensional nanomaterials with many unique properties distinct from those of graphene, but investigation into their mechanical properties remains incomplete. Here we report that high-quality single-crystalline mono- and few-layer BN nanosheets are one of the strongest electrically insulating materials. More intriguingly, few-layer BN shows mechanical behaviours quite different from those of few-layer graphene under indentation. In striking contrast to graphene, whose strength decreases by more than 30% when the number of layers increases from 1 to 8, the mechanical strength of BN nanosheets is not sensitive to increasing thickness. We attribute this difference to the distinct interlayer interactions and hence sliding tendencies in these two materials under indentation. The significantly better interlayer integrity of BN nanosheets makes them a more attractive candidate than graphene for several applications, for example, as mechanical reinforcements.
Language eng
DOI 10.1038/ncomms15815
Field of Research MD Multidisciplinary
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30097703

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.