The role of the glassy dynamics and thermal mixing in the dynamic nuclear polarization and relaxation mechanisms of pyruvic acid

M. Filibian, S. Colombo Serra, M. Moscardini, A. Rosso, F. Tedoldi, P. Carretta
2014 Physical Chemistry, Chemical Physics - PCCP  
In pyruvic acid containing 15 mM trityl below 4 K 13C polarization and spin–lattice relaxation rates are proportional to the spin–lattice relaxation rate of electrons, suggesting an efficient thermal mixing scenario.
doi:10.1039/c4cp02636e pmid:25382595 fatcat:ewahfaida5entiy6rbkd452m5e