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Superconductivity and Charge Density Waves in the Clean 2D Limit

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Date and time Oct 05, 2016
from 12:10 PM to 01:00 PM
Location 60 St. George Street, MP 606
Host Young-June Kim

Adam Tsen

University of Waterloo

We have recently demonstrated an experimental platform to isolate 2D materials that are unstable in the ambient environment. I will discuss our recent studies of the charge density wave compound 1T-TaS2 and superconducting 2H-NbSe2 in the atomically thin limit, made possible using this technique. In TaS2, we uncover a new surface charge density wave transition that is distinct from that in the bulk layers, as well as demonstrate continuous electrical control over this phase transition. In NbSe2, a small perpendicular magnetic field induces a transition to a quantum metallic phase, the resistivity of which obeys a unique field-scaling consistent with that predicted for a Bose metal. These methods and experiments open new doors for the study of other correlated 2D systems in the immediate future.

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Contact Phone 416-978-7135
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