Nuclear magnetic resonance detection in ultra-low-field regime enables the measurement of different components of a spurious remanence in the polymeric material constituting the sample container. A differential atomic magnetometer detects simultaneously the static field generated by the container and the time-dependent signal from the precessing nuclei. The nuclear precession responds with frequency shifts and decay rate variations to the container magnetization. Two components of the latter act independently on the atomic sensor and on the nuclear sample. A model of the measured signal allows a detailed interpretation on the basis of the interaction geometry. Published under license by AIP Publishing.
Bevilacqua, G., Biancalana, V., Dancheva, Y., Stiaccini, L., Vigilante, A. (2019). Spurious ferromagnetic remanence detected by hybrid magnetometer. REVIEW OF SCIENTIFIC INSTRUMENTS, 90(4) [10.1063/1.5094623].
Spurious ferromagnetic remanence detected by hybrid magnetometer
Bevilacqua G.;Biancalana V.;Dancheva Y.;Stiaccini L.;Vigilante A.
2019-01-01
Abstract
Nuclear magnetic resonance detection in ultra-low-field regime enables the measurement of different components of a spurious remanence in the polymeric material constituting the sample container. A differential atomic magnetometer detects simultaneously the static field generated by the container and the time-dependent signal from the precessing nuclei. The nuclear precession responds with frequency shifts and decay rate variations to the container magnetization. Two components of the latter act independently on the atomic sensor and on the nuclear sample. A model of the measured signal allows a detailed interpretation on the basis of the interaction geometry. Published under license by AIP Publishing.File | Dimensione | Formato | |
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https://hdl.handle.net/11365/1082506