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Submillisecond Hyperpolarization of Nuclear Spins in Silicon
2015
Physical Review Letters
In this Letter, we devise a fast and effective nuclear spin hyperpolarization scheme, which is, in principle, magnetic field independent. We use this scheme to experimentally demonstrate polarizations of up to 66% for phosphorus donor nuclear spins in bulk silicon, which are created within less than 100 μs in a magnetic field of 0.35 T at a temperature of 5 K. The polarization scheme is based on a spin-dependent recombination process via weakly coupled spin pairs, for which the recombination
doi:10.1103/physrevlett.114.117602
pmid:25839308
fatcat:kyharzycxjb7lkdnqusvlvexyu