Directional control of the diffusion of excitons is desired for excitonic devices, but being neutrally charged they can’t be transported by applying a bias voltage as for conventional electronic transport. It is now shown that surface acoustic waves can direct the flux of excitons over micrometre distances, even at room temperature.
This is a preview of subscription content, log in via an institution to check access.
References
Unuchek, D. et al. Nature 560, 340–344 (2018).
Unuchek, D. et al. Nat. Nanotechnol. 14, 1104–1109 (2019).
Javey, A. et al. ACS Nano 14, 13433–13440 (2020).
Castellanos-Gomez, A. et al. Nano Lett 13, 5361–5366 (2013).
Rosati, R. et al. Nat. Commun. 12, 7221 (2021).
Dirnberger, F. et al. Sci. Adv 7, eabj3066 (2021).
Fandan, R. et al. Nano Lett 20, 402–409 (2020).
Rudolph, J., Hey, R. & Santos, P. V. Phys. Rev. Lett. 99, 047602 (2007).
Datta, K. et al. Nat. Photon. https://doi.org/10.1038/s41566-021-00951-3 (2022).
De Sanctis, A., Amit, I., Hepplestone, S. P., Craciun, M. F. & Russo, S. Nat. Commun. 9, 1652 (2018).
Author information
Authors and Affiliations
Corresponding authors
Ethics declarations
Competing interests
The authors declare no competing interests.
Rights and permissions
About this article
Cite this article
Quereda, J., Castellanos-Gomez, A. Excitons surf the waves. Nat. Photon. 16, 179–180 (2022). https://doi.org/10.1038/s41566-022-00964-6
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41566-022-00964-6
- Springer Nature Limited