New Oxide Phase Cd2(1-x)Y2xSb2O7 Pyrochlore with a Wide Band Gap and High Electrical Conductivity

Abstract
It was found for the first time that the electrical conductivity of Y-substituted Cd2Sb2O7, Cd2(1- x )Y2 x Sb2O7, with the pyrochlore structure, is larger than at least 3.3×100 Scm-1 and the optical band gap of the sample is wider than 3.5 eV. These values indicate that Cd2(1- x )Y2 x Sb2O7 pyrochlore has a characteristic of a transparent conductor.