Objective
Manipulating the magnetic state of media with minimal energy and in the shortest possible time is a fundamental challenge in physics, as faster switching typically requires higher energy. The challenge is increasingly urgent, as the rapid rise of the Internet of Things and Artificial Intelligence has surged the energy demand of data centers, making them a significant source of global carbon emissions. To enable a sustainable digital future, we need computing devices that operate in less than a trillionth of a second while consuming below a femtojoule per bit.
Controlling magnetization with electric fields in multiferroic materials, at energy costs in the attojoule range, offers a promising route. However, under ultrafast operation, the energy exchange between spins, electric polarization, and phonons undergoes dramatic changes. The lack of effective control strategies leads to heat losses and limits switching efficiency.
UPSHIFT aims to establish new principles and benchmarks for ultrafast, energy-efficient switching of multiferroics. I will use intense THz electric fields (MV-GV/cm) to coherently excite lattice vibrations at selected phonon frequencies in model multiferroics (BiFeO₃ and NiI2). This approach will induce controlled, non-thermal lattice deformation, allowing for the steering of spin-phonon couplings at sub-picosecond timescales. Using a second excitation pulse, I will map the regulation of the energy flow among the spin, lattice, and electronic subsystems and quantify its impact on switching dynamics, threshold energy, and speed. Studying materials with contrasting coupling regimes and dimensionalities will uncover both universal principles and material-specific pathways for ultrafast, low-energy switching. The proposal will benefit from the unique HFML-FELIX facility and tabletop femtosecond laser sources available at Radboud University, enabling the establishment of new benchmarks for next-generation, energy-efficient devices.
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 internet
- natural sciences physical sciences atomic physics
- natural sciences physical sciences optics laser physics
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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
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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-2025-PF
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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.
6525 XZ Nijmegen
Netherlands
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