Egorov A.; Lütgemeier H.; Wagener D.; Dooglav A.; Teplov M.
(1992)
Enhanced NMR of 169Tm (I= 1 2) enhanced NMR has been studied in TmBa2Cu3O6+x, x=0, 0.2, 0.4, at temperatures 1.2-40K. The nuclear magnetic relaxation rates at T>20K increase exponentially as 1 T1(2) = R1(2)exp(-Δ/kT), with ...