Ya. Ossipyan et al., NQR STUDIES OF HALOGEN TREATED 1-2-3 SYSTEM, Zeitschrift fur Naturforschung. A, A journal of physical sciences, 53(6-7), 1998, pp. 542-545
NQR spectra of copper in polycrystalline samples of iodine treated RBa
2Cu3Oy, (R = Y, Gd) were studied. The results of all the experiments s
how evidence for the modifications occurring in the oxygen sublattice
in treated compounds.