Project description
The future of ultra-sensitive magnetic sensors
The demand for ultra-sensitive magnetic field sensors is rising, driven by the need for more precise healthcare diagnostics and energy-efficient green technologies. However, existing technologies struggle to achieve ultra-low magnetic field detectivity without relying on artificial enhancements such as magnetic flux concentrators. These external tools can boost sensitivity but fail to address fundamental noise limitations within the sensor’s structure. Supported by the Marie Skłodowska-Curie Actions programme, the FemtoSense project aims to revolutionise spintronic tunnelling magnetoresistance (TMR) sensors by reaching femtoTesla sensitivity through material science and device engineering. By developing highly ordered tunnelling barriers and optimising ferromagnetic electrode structures, the project will suppress electronic and magnetic noise, paving the way for next-generation high-precision magnetic sensors.
Objective
Novel and compaImplementation of solid-state magnetic field sensors with ultra-high sensitivity and ultra-low magnetic-field detectivity is mandatory to accelerate the development of individualized and precision healthcare devices and promote the change to more energy efficient green technologies. Unlike other studies, the project will provide major advances in the field of spintronic tunneling magnetoresistance (TMR) sensors by pushing their limit of detectivity to the femtoTesla range without using external tools as magnetic flux concentrator, which is an artificial technique to increase sensitivity regardless to the origin of limitation in TMR multilayer structure as noise sources. For that, FEMTOSense is to pinpoint the origin and mechanisms that govern all noise contributions, and their control, on-demand, using materials science and device engineering. To do this, I will develop highly (001)-textured spinel oxide MgAl2O4 (MAO) tunneling barriers enabling tunable lattice matching with wide range of ferromagnetic electrodes particularly CoFeB, to suppress the interfacial imperfection (noise) at the interface and improve TMR ratio. I will also improve the quality of the ferromagnetic electrodes by development of functional sensing layers consisting of sandwich-like amorphous ferromagnet. The ferromagnetic sandwich comprises thin layers of super-soft NiFe inserted between amorphous phase of CoFeBTa ferromagnetic layers. The former is to prevent propagation of 111-texture of NiFe to MAO barrier, ensuring ordering interface with minimized electronic noises. The latter is to tune the structural and magnetic characteristics of the sensing layers, enabling high sensitivity and suppressing magnetic noise at the sensing layer. Finally, I will establish a framework to map all sources of noise within each of the spintronic sensor building blocks, and identify the method of treatment by theoretical modeling for demonstration of femtoTesla tunneling magnetoresistnce sensors.
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 electrical engineering, electronic engineering, information engineering electronic engineering sensors
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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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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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(opens in new window) HORIZON-MSCA-2022-PF-01
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5612 AE Eindhoven
Netherlands
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