Project description
Revealing electronic properties in twisted 2D materials
Two-dimensional (2D) materials, which consist of a single layer of atoms, have attracted a great deal of attention since the isolation of graphene in 2004. The ability to assemble them in heterostructures via the Van der Waals interactions expands the range of the new physical phenomena that can be observed. In particular, when a sheet of 2D material is placed over another and slightly rotated, the twist can radically change the material's properties and lead to exotic physical behaviours. The EU-funded 2DTWISTMDs project will study twisted heterostructures of transition metal dichalcogenides, which have received little attention. Specifically, it will thoroughly investigate their electronic structure and reveal what interactions give rise to correlated electronic phases.
Objective
The emergence of graphene in 2004 gave rise to the isolation of a new myriad of 2D materials with many different properties. In addition, the stacking of different 2D layers, forming Van der Waals heterostructures, has shown the possibility to modify and expand the features of the final hybrid materials. An important ingredient for the final attributes of these heterostructures is the alignment of its constituents. As a consequence of the difference in lattice constant and the relative angle between the 2D layers, a moiré pattern arises. This moiré pattern can give rise to new physics not present in the original materials. This has already being proven in twisted graphene heterostructures, and its study is exploding in popularity these days.
On the other hand, twisted heterostructures of semiconducting TMDs have received less attention. This project aims to realise and understand new correlated electronic phases of matter in twisted heterostructures of atomically thin semiconductors. Specifically, the project aims to: (1) thoroughly characterize the electronic structure of twisted semiconductor heterostructures; (2) understand how correlated electronic phases arise from interactions in twisted semiconductor heterostructures; and (3) search for new electronic phases such as spin liquids and topological phases. These new electronic phases will radically alter the conductivity of the heterostructure, and are expected to be highly sensitive to the electron density in the moiré superlattice and hence can be tuned via electronic gates, creating novel low-energy switches. The heterostructures will be characterised using electronic measurements, and low temperature scanning probe microscopy and spectroscopy measurements. While this fellowship would allow the experienced researcher to learn new techniques and expand his knowledge and networks, the topic of this proposal is also in line with the goals of Horizon 2020, Graphene Flagship and Quantum Flagship EU programmes.
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 optics microscopy
- natural sciences physical sciences electromagnetism and electronics semiconductivity
- natural sciences physical sciences optics spectroscopy
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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-2019
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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.
02150 Espoo
Finland
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.