Abstract
Yttrium oxide (Y2O3) is a potential material in the development of transparent polycrystalline ceramics (PTCs). PTCs have possible applications in laser-materials, scintillators, Infrared windows, opto-electronic devices, displays etc. To obtain these, the ceramic must have a symmetric crystal structure, high purity and density. Highly dense ceramics require sophisticated sintering procedures as well as optimum sintering additives such as Lanthanum Oxide (La2O3) and Zirconium Oxide (ZrO2). In this manuscript, La2O3 is used as a sintering to embrace the sintering of Y2O3 with the aim to bring down the sintering temperature and systematically study the opto-electrical properties. La2O3 substituted Y2O3 (LaxY2−xO3, where, x = 0, 3, 6 and 9 at.%) ceramics are made, using co-precipitation method were examined for structural, morphological, physico-chemical and electrical properties by using XRD, SEM, TGA-DSC, and dielectric measurements. The obtained results serve as guidelines for the use of Y2O3 as a pathway to new dimensions opto-electronic applications.
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