Tuning superconductivity in twisted bilayer graphene
Yankowitz M, Chen S, Polshyn H, Zhang Y, Watanabe K, Taniguchi T, Graf D, Young AF, Dean CR. 2019. Tuning superconductivity in twisted bilayer graphene. Science. 363(6431), 1059–1064.
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Author
Yankowitz, Matthew;
Chen, Shaowen;
Polshyn, HryhoriyISTA 
;
Zhang, Yuxuan;
Watanabe, K.;
Taniguchi, T.;
Graf, David;
Young, Andrea F.;
Dean, Cory R.
;
Zhang, Yuxuan;
Watanabe, K.;
Taniguchi, T.;
Graf, David;
Young, Andrea F.;
Dean, Cory R.Abstract
The discovery of superconductivity and exotic insulating phases in twisted bilayer graphene has established this material as a model system of strongly correlated electrons. To achieve superconductivity, the two layers of graphene need to be at a very precise angle with respect to each other. Yankowitz et al. now show that another experimental knob, hydrostatic pressure, can be used to tune the phase diagram of twisted bilayer graphene (see the Perspective by Feldman). Applying pressure increased the coupling between the layers, which shifted the superconducting transition to higher angles and somewhat higher temperatures.
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Publishing Year
Date Published
2019-01-24
Journal Title
Science
Acknowledgement
We thank J. Zhu and H. Zhou for experimental assistance and D. Shahar, A. Millis, O. Vafek, M. Zaletel, L. Balents, C. Xu, A. Bernevig, L. Fu, M. Koshino, and P. Moon for helpful discussions.
Volume
363
Issue
6431
Page
1059-1064
ISSN
eISSN
IST-REx-ID
Cite this
Yankowitz M, Chen S, Polshyn H, et al. Tuning superconductivity in twisted bilayer graphene. Science. 2019;363(6431):1059-1064. doi:10.1126/science.aav1910
Yankowitz, M., Chen, S., Polshyn, H., Zhang, Y., Watanabe, K., Taniguchi, T., … Dean, C. R. (2019). Tuning superconductivity in twisted bilayer graphene. Science. American Association for the Advancement of Science (AAAS). https://doi.org/10.1126/science.aav1910
Yankowitz, Matthew, Shaowen Chen, Hryhoriy Polshyn, Yuxuan Zhang, K. Watanabe, T. Taniguchi, David Graf, Andrea F. Young, and Cory R. Dean. “Tuning Superconductivity in Twisted Bilayer Graphene.” Science. American Association for the Advancement of Science (AAAS), 2019. https://doi.org/10.1126/science.aav1910.
M. Yankowitz et al., “Tuning superconductivity in twisted bilayer graphene,” Science, vol. 363, no. 6431. American Association for the Advancement of Science (AAAS), pp. 1059–1064, 2019.
Yankowitz M, Chen S, Polshyn H, Zhang Y, Watanabe K, Taniguchi T, Graf D, Young AF, Dean CR. 2019. Tuning superconductivity in twisted bilayer graphene. Science. 363(6431), 1059–1064.
Yankowitz, Matthew, et al. “Tuning Superconductivity in Twisted Bilayer Graphene.” Science, vol. 363, no. 6431, American Association for the Advancement of Science (AAAS), 2019, pp. 1059–64, doi:10.1126/science.aav1910.
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