THIN FILM FLAT SUPERCONDUCTING MAGNETIC FIELD CONCENTRATOR

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Authors

Levan Ichkitidze¹

Institute of Biomedical Systems, National Research University of Electronic Technology (MIET)

Conference / event: 8th Asian Symposium on Advanced Materials ASAM-8, June 2023 (Novosibirsk, Russian Federation)

Poster summary: The calculation of the magnetic field concentrator (MFC) in the combined magnetic field sensor (CMFS) has been carried out. The concentrator consisted of two rings of a superconducting film with a magnetically sensitive element (MSE) between them. Produced nanostructuring in the form of cutting cuts with a width of 20 nm on the active strip (narrowed part) of the ring. It has been found that nanostructuring increases concentration coefficient several times. This achieves a decrease in the threshold magnetosensitivity of the CMFS, which, along with the SQUID, can be used to record the magnetic fields of a biological object.

Keywords: Magnetic field concentrator, Superconducting film, Combined magnetic field sensor, Nanostructuring

References

Robbes D. Highly sensitive magnetometers—a review // Sensors and Actuators A: Physical. 2006. Vol. 129(1). PP. 86-93.
Ichkitidze L.P., Mironyuk A.N. / Superconducting film flux transformer for a sensor of a weak magnetic field // Journal of Physics: Conference series, 2012, vol.400, Part 2, 022032, doi:10.1088/1742-6596/400/2/022032
Pannetier-Lecoeur M., Parkkonen L., Sergeeva-Chollet N., Polovy H., Fermon C., Fowley C. Magnetocardiography with sensors based on giant magnetoresistance //Applied Physics Letters. 2011. Vol. 98(15). PP. 153705.

Additional information

Data availability statement: The datasets generated during and / or analyzed during the current study are available from the corresponding author on reasonable request.

Creative Commons license: Copyright © 2023 Ichkitidze. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.