Abstract
The cubic Ca–ZrO 2 structure has been used as host for preparing a yellow ceramic stain using praseodymium as dopant. Samples with Ca x Pr 0.1 Zr 0.9− x O 2 ( X =0.14, 0.17, 0.2) compositions have been prepared by the ceramic method (CE) and by several gel processing techniques: the colloidal method (CG), the gelatine method (GE), the citrate method (CI) and a polymeric route (PG). Fired samples have been evaluated as ceramic pigments following enameling with the powders in ceramic glazes. The results show that a yellow ceramic pigment is obtained in all samples without significative differences among the different methods and compositions. This yellow ceramic pigment has been identified as a Pr–(Ca–ZrO 2 ) solid solution.
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