Project description
Unmasking exotic quantum phenomena in twisted materials
The stunning emergence of unconventional superconductivity and correlated insulating states with the mere twist of a carbon sheet has sparked interest in further investigating the properties of moiré materials. The study of how specific angles in such materials can change their electrical properties constitutes a new sub-field of materials science known as twistronics. Furthermore, the ability to control vibrations by twisting gives rise to twistnonics. Funded by the Marie Skłodowska-Curie Actions programme, the ComEPT project aims to combine twistronics and twistnonics to address questions arising from experimental observations that are hardly understood. Detailed understanding of electron–phonon interactions in moiré materials should enable the control of exotic quantum phenomena.
Objective
The recent discovery of correlated insulating states and unconventional superconductivity in twisted bilayer graphene triggered an intense research effort to understand the properties of moiré materials. The ability to manipulate electronic properties through the twist angle between two two-dimensional materials has given rise to the new field of twistronics. Besides novel electronic properties, moiré materials also feature unconventional vibrational properties, such as novel phason modes. The ability to control vibrations by twisting gives rise to the new field of twistnonics.
Despite much progress, many experimental observations in moiré materials are not yet well understood. For example, the microscopic origin of the “strange” metal phase with a resistivity which is linear in temperature and the nature of pairing glue that induces superconductivity are hotly debated. To answer these questions, I propose to combine the fields of twistronics and twistnonics and study the role of electron-phonon interactions in twisted bilayer materials. Specifically, I plan to
+ develop a computational framework to study electron-phonon interactions in moiré materials. Because of the large unit cells of moiré materials, standard implementations of this approach cannot be used. To overcome this challenge, I will combine force-field approaches for phonons with tight-binding methods for electrons and develop a new parallelized computer code.
+ understand electron transport experiments in different twisted bilayer materials, including twisted bilayer transition metal dichalcogenides and twisted bilayer graphene.
+ study the electron-phonon mediated superconductivity in twisted bilayer materials.
The results of these calculations will enable a detailed understanding of the interactions between electrons and phonons in moiré materials and enable the control of exotic quantum phenomena with the twist angles.
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
- natural sciences physical sciences atomic physics
- 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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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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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.
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.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2020
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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.
SW7 2AZ London
United Kingdom
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.