Project description
Electronic correlations in moiré heterostructures formed by 2D materials
Since the isolation of graphene in 2004, two-dimensional (2D) materials have captured significant attention in condensed matter physics. Twisted graphene layers have revealed unconventional superconductivity in moiré heterostructures. While research predominantly centres on twist angles, strain can also produce diverse moiré patterns. Recent advancements in precise strain manipulation have enhanced material properties. Supported by the Marie Skłodowska-Curie Actions programme, the TaSMH project aims to explore electronic correlations in moiré heterostructures formed by twisted and strained 2D materials. The project will investigate how the interplay between twist and strain generates unique electronic properties, including unconventional superconductivity. This research aims to lay the theoretical groundwork for proposing and engineering superlattice configurations with practical applications.
Objective
Since the experimental isolation of graphene in 2004, two-dimensional (2D) materials have been at the forefront of condensed matter physics. In recent years, a new revolution in the field started from the experimental observation of unconventional superconductivity, and other strongly correlated phases of matter, in superlattices of two stacked graphene layers with a relative twist of about 1 degree. Similar behaviors have been also observed in twisted double bilayer graphene and twisted trilayer graphene, among others. As these twist-induced systems give rise to a moiré pattern due to the lattice mismatch created, they are generally labeled as Moiré Heterostructures.
So far, the current state-of-the-art encompasses the twist angle as the tune parameter in moiré heterostructures. Not much has been devoted to investigate the strain role as an additional tune parameter. The strain, when compared to the twist angle, offers a much wider possible forms of moiré patterns because it effectively distorts each layer. This provides a potentially extremely broad and rich experimental platform to modify the properties of the moiré heterostructures. Although the strain typically arises naturally and randomly during the fabrication of the samples, recent technological advances have opened the possibility of manipulating to a high precision the strain on each layer.
Within this promising and emergent scenario, this proposal aims to understand the nature of electronic correlations in moiré heterostructures formed by twisted and strained 2D materials. We will study how the interplay between twist and strain can give rise to moiré patterns with unique electronic properties, such as unconventional superconductivity and other strongly-correlated phases of matter. From this we will form a solid theoretical foundation from which one can further propose and engineering superlattices configuration with useful potential applications.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology nanotechnology nano-materials two-dimensional nanostructures graphene
- social sciences political sciences political transitions revolutions
- natural sciences physical sciences electromagnetism and electronics superconductivity
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Topic(s)
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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.
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-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-MSCA-2024-PF-01
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28049 Madrid
Spain
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