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Electrostatic actuation of 2D-materials-based heterostructures for in situ twistronics

Objective

The discovery of superconductivity in twisted bilayer graphene in 2018 gave rise to twistronics. Twistronics is the study of how the reciprocal angle between layers of two-dimensional materials can modify their properties. Twisted structures present a Moiré lattice and exhibit very different electronic behavior, from non-conductive to superconductive, which depends significantly on the angle between the layers. To date, several techniques have been developed to fabricate layered heterostructures with controlled rotation between the layers, but the Moiré patterns have largely been static. Recent works have demonstrated the tuning of Moiré patterns by using the atomic force microscopy technique to rotate adjacent layers, allowing to study the evolution of properties as the twist angle varies. Dynamic control of rotatable heterostructures will provide a relatively simple platform for exploring exotic quantum effects. Thanks to the observation of these phenomena, a new playground will be created with disruptive technological repercussions, from quantum computing to optoelectronics. In 2DTWIST, I will develop a new technique that allows active, dynamic, and automated control of Moiré geometry in 2D heterostructures in a single device, allowing more precise positioning and in-situ twist of adjacent layers, by electrostatic actuation. Thanks to this approach it will be possible to explore how emergent properties depend on Moiré geometry and to achieve controlled and uniform properties within a single device.

Fields of science (EuroSciVoc)

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Keywords

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Programme(s)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

HORIZON-TMA-MSCA-PF-GF - HORIZON TMA MSCA Postdoctoral Fellowships - Global Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

POLITECNICO DI TORINO
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 147 855,20
Address
CORSO DUCA DEGLI ABRUZZI 24
10129 Torino
Italy

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Region
Nord-Ovest Piemonte Torino
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

No data

Partners (1)

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