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Symmetry-driven Writing with Intrinsic Torques for Computing beyond Hardware limits

Project description

New materials for faster magnetic memory

The expansion of AI has revealed the limitations of traditional computing architectures to handle data-intensive, brain-like processing tasks. Supported by the Marie Skłodowska-Curie Actions programme, the SWITCH project explores a new generation of ultra-fast, energy-efficient memory based on non-collinear antiferromagnetic materials, which combine stability, speed and strong electrical readout signals. It will investigate the physics behind their efficient switching mechanisms, identify and optimise the generation of unconventional spin currents, and extend the study to newly predicted magnetic phases. By integrating advanced materials expertise with leading theoretical and experimental infrastructure, SWITCH will establish the design principles for next-generation magnetic memory technologies.

Objective

"The explosive growth of artificial intelligence has exposed a fundamental flaw in conventional computing: the von Neumann architecture is inefficient for data-intensive brain-like tasks. A solution lies in unconventional computing architectures that integrate memory directly with processing. The key enabling component is a new class of ultra-fast, high-density, non-volatile memory. While magnetic random-access memory is a leading candidate, its progress has slowed. The incumbent switching technologies, spin-transfer torque and spin-orbit torque, are too energy-intensive, creating a critical roadblock. A transformative solution lies in a new class of materials: Non-Collinear Antiferromagnets. These materials offer a unique ""best-of-all-worlds"" combination: they retain the robust stability and ultrafast dynamics of antiferromagnets, but also possess produces large electrical signals for readout. With efficient read operation established, the next frontier is their revolutionary potential for writing information. They have already demonstrated electrical switching at orders-of-magnitude lower current densities than state-of-the-art, but the fundamental physics governing this process is a critical, unresolved puzzle.

This proposal addresses the critical gaps that prevent the revolutionary potential of these materials from being realized: I will systematically investigate the novel, symmetry-driven torques responsible for ultra-efficient switching. In parallel, I will establish the fundamental principles governing generation of unconventional spin currents, optimizing it as a superior spin-source. Finally, I will explore the frontier by investigating these phenomena in the very recently predicted novel p-wave magnetic phase. By combining my expertise in nc-AFM materials with the world-leading facilities and theoretical knowledge of my hosts in Mainz, this project will establish the fundamental design rules next generation sustainable magnetic memory."

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

JOHANNES GUTENBERG-UNIVERSITAT MAINZ
Net EU contribution
€ 202 125,12
Address
SAARSTRASSE 21
55122 Mainz
Germany
Region
Rheinland-Pfalz Rheinhessen-Pfalz Mainz, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data