[qmeso-seminar] NGI Friday seminar on 2D Materials - online option - everyone is welcome, please, circulate to potentially interested parties

[Vladimir Falko]

27 October (Friday) from 14:00 London (UK) time
      online option: https://zoom.us/j/93112397385  (link opens at 13:50)

Speaker:   John Birkbeck (Weizmann Institute)
Title: The Quantum Twisting Microscope.

Abstract:
The discovery of magic-angle twisted bilayer graphene has highlighted the fantastic capability to dramatically modify the properties of materials by a small change of their twist angle. To date, however, twisted devices are generally fabricated with a fixed angle that cannot be modified once the device has been made. An in-situ "twistronics" apparatus that can bring into contact two van-der-Waals (vdW) layers and probe the hybrid interface with varying twist angle could be the ideal tool to explore correlated physics in a variety of such interfaces. We recently developed the Quantum Twisting Microscope (QTM), capable of performing such in-situ twisting. I will present various experiments performed with this microscope, demonstrating quantum interference at room temperature, probing the conductance of in-situ twisting interfaces and imaging local energy dispersions of twisted graphene under applied pressure. Additionally, I will describe the generalization of these experiments into cryogenic temperatures.

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