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Stretching and Breaking of Ultrathin MoS2
Open accessAbstract
We report on measurements of the stiffness and breaking strength of monolayer MoS(2), a new semiconducting analogue of graphene. Single and bilayer MoS(2) is exfoliated from bulk and transferred to a substrate containing an array of microfabricated circular holes. The resulting suspended, free-standing membranes are deformed and eventually broken using an atomic force microscope. We find that the in-plane stiffness of monolayer MoS(2) is 180 ± 60 Nm(-1), corresponding to an effective Young's modulus of 270 ± 100 GPa, which is comparable to that of steel. Breaking occurs at an effective strain between 6 and 11% with the average breaking strength of 15 ± 3 Nm(-1) (23 GPa). The strength of strongest monolayer membranes is 11% of its Young's modulus, corresponding to the upper theoretical limit which indicates that the material can be highly crystalline and almost defect-free. Our results show that monolayer MoS(2) could be suitable for a variety of applications such as reinforcing elements in composites and for fabrication of flexible electronic devices.
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Cites
Electric Field Effect in Atomically Thin Carbon Films
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Zhang, Y., Dubonos, S. V., Grigorieva, I. V., & Firsov, A. A. (2004) · Science · doi:10.1126/science.1102896 · Cited by 66,834
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Experimental observation of the quantum Hall effect and Berry's phase in graphene
Zhang, Y., Tan, Y.-W., Stormer, H. L., & Kim, P. (2005) · Nature · doi:10.1038/nature04235 · Cited by 13,435
Two-dimensional atomic crystals
Novoselov, K. S., Jiang, D., Schedin, F., Booth, T. J., Khotkevich, V. V., Morozov, S. V., & Geim, A. K. (2005) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0502848102 · Cited by 11,788
Cited by
Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N., & Strano, M. S. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.193 · Cited by 16,374
Self-citationThe chemistry of two-dimensional layered transition metal dichalcogenide nanosheets
Chhowalla, M., Shin, H. S., Eda, G., Li, L.-J., Loh, K. P., & Zhang, H. (2013) · Nature Chemistry · doi:10.1038/nchem.1589 · Cited by 10,034
Recent development of two-dimensional transition metal dichalcogenides and their applications
Choi, W., Choudhary, N., Han, G. H., Park, J., Akinwande, D., & Lee, Y. H. (2017) · Materials Today · doi:10.1016/j.mattod.2016.10.002 · Cited by 2,769
Piezoelectricity of single-atomic-layer MoS2 for energy conversion and piezotronics
Wu, W., Wang, L., Li, Y., Zhang, F., Lin, L., Niu, S., Chenet, D., Zhang, X., Hao, Y., Heinz, T. F., et al. (2014) · Nature · doi:10.1038/nature13792 · Cited by 2,287
Metal dichalcogenide nanosheets: preparation, properties and applications
Huang, X., Zeng, Z., & Zhang, H. (2013) · Chemical Society Reviews · doi:10.1039/c2cs35387c · Cited by 2,030
Metadata
- Authors
- Bertolazzi, S., Brivio, J., & Kis, A.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-11-16
- Volume
- 5
- Issue
- 12
- Pages
- 9703-9709
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2104029981
- Cited by
- 2,680
- References
- 4
- FWCI
- 39.81
- Type
- journal article
- Language
- en
- Open access
- green
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