A. Yamanaka et al., NMR NQR STUDIES OF HYPERFINE FIELD AND ELECTRIC-FIELD GRADIENT IN RSR2CU2GAO7, RBA2CU2NBO8 AND (R2-XCEX)SR2CU2NBO10/, Physica. C, Superconductivity, 282, 1997, pp. 1363-1364
We have investigated NMR and NQR for La, Nb, Ga-sites as well as antif
erromagnetic nuclear resonance (AFNMR) for Cu-site in RBa2Cu2NbO8 (R=L
a, Pr, and Nd), RSr2Cu2GaO7 (R=La, Pr, Nd, and Y) and superconducting
(Eu2-xCex)Sr2Cu2NbO10. Hyperfine magnetic fields and quadrupole freque
ncies are summarized.