INVESTIGADORES
ERRICO Leonardo Antonio
congresos y reuniones científicas
Título:
PAC identification of electric-nuclear?quadrupole interactions at 181Ta impurity sites in monoclinic B-Sm2O3
Autor/es:
L. A: ERRICO; M. RENTERIA; A. G. BIBILONI; K. FREITAG; F. G: REQUEJO
Lugar:
Leipzig
Reunión:
Simposio; XV International Symposium on Nuclear Quadrupole Interactions; 1999
Institución organizadora:
Universidad de Leipzog
Resumen:
We present Perturbed Angular Correlation (PAC) results of the electric-nuclear quadrupole interaction at 181Ta located at the nonequivalent cation sites of cubic C-Sm2O3 and monoclinic B-Sm2O3 free of defects. The application of the empirical Cd/Ta correlation found in binary oxides allowed us to correlate the interactions with each site and to identify the single Sm site populated in 111In-implanted B-Sm2O3 experiments. The preferential site occupation of Cd and Ta in B-Samaria is discussed in terms of the ?chemistry? of the probe-atoms.
