Speaker
Dr
Peter Rickhaus
(ETH Zürich)
Description
We show electronic transport data on a particular interesting carbon system: Two vertically stacked layers of graphene that are twisted with respect to each other. With the twist angle, the properties change fundamentally. The two layers are decoupled at large and strongly coupled at small angles. It is even possible to achieve superconductivity at a certain twist angle.
To probe the system we make use of an electronic Fabry-Pérot interferometer. We probe a network of topological channels at tiny twist angles [1] and the physics of decoupled graphene layers at very large twists.
[1] P. Rickhaus, et.al. Nano Lett. 18, 11, 6725 (2018)
Author
Dr
Peter Rickhaus
(ETH Zürich)
Co-authors
Dr
John Wallbank
(National Graphene Institute, University of Manchester, Manchester, M13 9PL,)
Dr
Sergey Slizovskiy
(National Graphene Institute, University of Manchester, Manchester, M13 9PL,)
Mr
Riccardo Pisoni
(ETH Zürich)
Dr
Hiske Overweg
(ETH Zürich)
Dr
Marius Eich
(ETH Zürich)
Dr
Yongjin Lee
(ETH Zürich)
Prof.
Ming-Hao Liu
(Department of Physics, National Cheng Kung University, Tainan 70101, Taiwan )
Prof.
Klaus Ensslin
(ETH Zürich)
Prof.
Thomas Ihn
(ETH Zürich)
