We present a system developed to premagnetize liquid samples in an ultra-low-field nuclear magnetic resonance experiment. Liquid samples of a few milliliters are exposed to a magnetic field of about 70 mT, which is abruptly switched off, to leave a transverse microtesla field, where nuclei start precessing. An accurate characterization of the transients and intermediate field level enables a reliable operation of the detection system, which is based on an optical magnetometer.
Biancalana, V., Cecchi, R., Stiaccini, L., Vigilante, A. (2020). Fast switching coil system for sample premagnetization in an unshielded ultra-low-field nuclear magnetic resonance experiment. REVIEW OF SCIENTIFIC INSTRUMENTS, 91(4), 045119 [10.1063/5.0003882].
Fast switching coil system for sample premagnetization in an unshielded ultra-low-field nuclear magnetic resonance experiment
Biancalana, Valerio
Membro del Collaboration Group
;Cecchi, RobertoMembro del Collaboration Group
;Stiaccini, LeonardoMembro del Collaboration Group
;Vigilante, AntonioMembro del Collaboration Group
2020-01-01
Abstract
We present a system developed to premagnetize liquid samples in an ultra-low-field nuclear magnetic resonance experiment. Liquid samples of a few milliliters are exposed to a magnetic field of about 70 mT, which is abruptly switched off, to leave a transverse microtesla field, where nuclei start precessing. An accurate characterization of the transients and intermediate field level enables a reliable operation of the detection system, which is based on an optical magnetometer.
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https://hdl.handle.net/11365/1107447