Magnetic field sensing with the kinetic inductance of a high- Tc                                                  superconductor

Visa Vesterinen; S. Ruffieux; A. Kalaboukhov; Hannu Sipola; Mikko Kiviranta; D. Winkler; J. F. Schneiderman; Juha Hassel

doi:10.1063/1.5080798

Magnetic field sensing with the kinetic inductance of a high- T_c superconductor

Visa Vesterinen (Corresponding Author), S. Ruffieux, A. Kalaboukhov, Hannu Sipola, Mikko Kiviranta, D. Winkler, J. F. Schneiderman, Juha Hassel

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Abstract

We carry out an experimental feasibility study of a magnetic field sensor based on the kinetic inductance of the high critical temperature (high-Tc) superconductor yttrium barium copper oxide. We pattern thin superconducting films into radio-frequency resonators that feature a magnetic field pick-up loop. At 77 K and for film thicknesses down to 75 nm, we observe the persistence of screening currents that modulate the loop kinetic inductance. We report on a device with a magnetic field sensitivity of 4 pT/√Hz, an instantaneous dynamic range of 11 μT, and operability in magnetic fields up to 28 μT. According to the experimental results the device concept appears attractive for sensing applications in ambient magnetic field environments.

Original language	English
Article number	045217
Journal	AIP Advances
Volume	9
Issue number	4
DOIs	https://doi.org/10.1063/1.5080798
Publication status	Published - 16 Apr 2019
MoE publication type	A1 Journal article-refereed

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abstract = "We carry out an experimental feasibility study of a magnetic field sensor based on the kinetic inductance of the high critical temperature (high-Tc) superconductor yttrium barium copper oxide. We pattern thin superconducting films into radio-frequency resonators that feature a magnetic field pick-up loop. At 77 K and for film thicknesses down to 75 nm, we observe the persistence of screening currents that modulate the loop kinetic inductance. We report on a device with a magnetic field sensitivity of 4 pT/√Hz, an instantaneous dynamic range of 11 μT, and operability in magnetic fields up to 28 μT. According to the experimental results the device concept appears attractive for sensing applications in ambient magnetic field environments.",

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AU - Vesterinen, Visa

AU - Ruffieux, S.

AU - Kalaboukhov, A.

AU - Sipola, Hannu

AU - Kiviranta, Mikko

AU - Winkler, D.

AU - Schneiderman, J. F.

AU - Hassel, Juha

PY - 2019/4/16

Y1 - 2019/4/16

N2 - We carry out an experimental feasibility study of a magnetic field sensor based on the kinetic inductance of the high critical temperature (high-Tc) superconductor yttrium barium copper oxide. We pattern thin superconducting films into radio-frequency resonators that feature a magnetic field pick-up loop. At 77 K and for film thicknesses down to 75 nm, we observe the persistence of screening currents that modulate the loop kinetic inductance. We report on a device with a magnetic field sensitivity of 4 pT/√Hz, an instantaneous dynamic range of 11 μT, and operability in magnetic fields up to 28 μT. According to the experimental results the device concept appears attractive for sensing applications in ambient magnetic field environments.

AB - We carry out an experimental feasibility study of a magnetic field sensor based on the kinetic inductance of the high critical temperature (high-Tc) superconductor yttrium barium copper oxide. We pattern thin superconducting films into radio-frequency resonators that feature a magnetic field pick-up loop. At 77 K and for film thicknesses down to 75 nm, we observe the persistence of screening currents that modulate the loop kinetic inductance. We report on a device with a magnetic field sensitivity of 4 pT/√Hz, an instantaneous dynamic range of 11 μT, and operability in magnetic fields up to 28 μT. According to the experimental results the device concept appears attractive for sensing applications in ambient magnetic field environments.

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Magnetic field sensing with the kinetic inductance of a high- T_c superconductor

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Magnetic field sensing with the kinetic inductance of a high- T_c superconductor