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Instrumentation for nuclear magnetic resonance in zero and ultralow magnetic field (1705.04489v1)
Published 12 May 2017 in physics.ins-det
Abstract: We review instrumentation for nuclear magnetic resonance (NMR) in zero and ultra-low magnetic field (ZULF, below 0.1 $\mu$T) where detection is based on a low-cost, non-cryogenic, spin-exchange relaxation free (SERF) ${87}$Rb atomic magnetometer. The typical sensitivity is 20-30 fT/Hz${1/2}$ for signal frequencies below 1 kHz and NMR linewidths range from Hz all the way down to tens of mHz. These features enable precision measurements of chemically informative nuclear spin-spin couplings as well as nuclear spin precession in ultra-low magnetic fields.
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