Observation of a direct magnetic coupling between the nuclei in liquid 3He and 169Tm nuclei in a thulium ethyl sulfate crystal
Egorov A. V. , Aukhadeev F. L. , Tagirov M. S. , Teplov M. A.
The cross-relaxation between the Tm spins in the van Vleck paramagnet TmES and the 3He spins in a layer of liquid helium-3 surrounding the crystal is observed by using the method of pulsed nuclear magnetic resonance at 1.5 K.