Singlet to triplet conversion in molecular hydrogen and its role in parahydrogen induced polarization
Danil A. Markelov, Vitaly P. Kozinenko, Stephan Knecht, Alexey S. Kiryutin, Alexandra V. Yurkovskaya, Konstantin L. Ivanov
Abstract
In SABRE experiments at a high magnetic field, the spin order of molecular hydrogen is not just the singlet order, but a combination of singlet and central triplet ones. Additional proton pulse in some cases increases enhancement more than 10-fold.
Topics & Concepts
Spin isomers of hydrogenSinglet statePolarization (electrochemistry)Hydrogen moleculeHydrogenChemistryPhotochemistryProtonTriplet stateSinglet fissionMagnetic fieldAtomic physicsMolecular physicsChemical physicsMoleculePhysicsExcited statePhysical chemistryOrganic chemistryQuantum mechanicsAdvanced NMR Techniques and ApplicationsAtomic and Subatomic Physics ResearchNMR spectroscopy and applications