Project description
Investigating the potential role of magnetism in superconductivity at 'high' temperatures
More than a hundred years ago, during pioneering experiments at temperatures much colder than others had reached before, Dutch scientists discovered the property of superconductivity. The electrical resistance of a wire they were cooling seemed to vanish suddenly and almost completely at such extreme cold. The implications are tremendous for no-loss circuits, heat dissipation, energy consumption and so much more, yet the temperatures required are prohibitive to everyday applications. While the discovery of so-called high-temperature superconductors – in reality, still quite cold but more practical – is of great interest, the mechanisms are largely unknown. The EU-funded SUMAC project will manipulate a class of superconductors to determine if the magnetic properties hold the key.
Objective
The origin of high-temperature (high-T) superconductivity (SC) is one of the greatest unsolved problems in physics. The solution could potentially lead to room temperature SC with immense technological benefits. There is ample evidence that microscopic magnetic correlations and dynamics are coupled to high-T SC, but a true understanding remains. The proposed research focusses on the effect of dopants on magnetic and SC properties of La2-xSrxCuO4 (LSCO) cuprates. The main research question is: does the SC mechanism has its origin in the magnetic properties of the material? This will be tackled in three ways: 1) The applicant will determine if the new theoretical prediction of the SC transition temperature increase with very small impurity content is justified for LSCO. This whole new effect will strengthen the case for magnetism-induced SC. 2) The applicant will study the low-temperature magnetic phase of LSCO when SC is fully suppressed by doping and field to provide new insights into the nature of intrinsic magnetic tendencies of LSCO. 3) The applicant will synthesize single crystals of completely new cuprates by replacing Sr by Sn, Zr and Ga to study how the ionic radii affect the magnetism-SC interplay. The project involves crystal synthesis, XRD, VSM and transport measurements and has a strong focus on elastic and inelastic neutron scattering experiments and data analysis. The applicant’s physics background and PhD in materials chemistry provide a strong basis for the experiments. The interdisciplinary nature of UCPH creates the ideal environment: the main supervisor Prof. Lefmann is an expert in neutron scattering with decades of experience, has all necessary physical characterization equipment and is a well-appreciated academic teacher. All relevant chemistry infrastructure and knowledge can be found within UCPH and close collaborators. In return, the applicant’s expertise in materials and crystallography will be a great addition to the Lefmann group.
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.
- natural sciences computer and information sciences data science
- social sciences educational sciences didactics
- natural sciences earth and related environmental sciences geology mineralogy crystallography
- 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-2018
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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.
1165 KOBENHAVN
Denmark
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.