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

作者: H. Sipola , V. Vesterinen , M. Kiviranta , J. Hassel , Dag Winkler

DOI: 10.1063/1.5080798

关键词:

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

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