Synthesis and spectroscopic characterisation of Y-doped Cd2SnO4

Y-Doped cadmium oxide has been prepared by a solid state reaction of CdO and Y2O3 in air, and by a coprecipitation procedure starting from CdO and Y(NO3)(3). 6H(2)O. Y-Doped dicadmium stannate has been synthesised by firing well blended mixtures of Y-doped CdO and SnO2 in air. Both Y-doped CdO and Cd2SnO4, have been characterised by XRD, IR, EPR and XPS. XRD measurements confirm the presence of single cubic CdO and orthorhombic Cd2SnO4 phases. EPR analysis suggests an increased concentration of conduction electrons and electron mobility upon 2% Y-doping. IR specular reflectance spectra show enhanced reflectivity in the mid IR for Y-doped Cd2SnO4 samples. XPS measurements highlight yttrium segregation to the sample surface.