Abstract
We have successfully transferred the spin polarization of laser-polarized Xe-129 to the proton spins of solid-state (HCl)-H-1 via spin polarization-induced nuclear Overhauser effect (SPINOE). The key steps include mixing the laser-polarized Xe-129 gas with the (HCl)-H-1 gas and cooling them to their condensed state in a flow system. The solid-state nuclear magnetic resonance (NMR) signal enhancement factor of 6 for H-1 was observed, compared with the Boltzmann polarization signal at 1.879 T and 142 K. This method may be valuable for applications in both NMR spectroscopy and chemical physics.
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