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Optimization of Praseodymium‐Doped Cerium Pigment Synthesis Temperature
Author(s) -
Masó Nahum,
Beltrán Hector,
Muñoz Raquel,
Julián Beatriz,
Carda Juan B.,
Escribano Purificación,
Cordoncillo Eloisa
Publication year - 2003
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.2003.tb03316.x
Subject(s) - praseodymium , calcination , pigment , cerium , materials science , ceramic , ceramic glaze , chemical engineering , doping , mineralogy , solid state , chemical stability , glaze , metallurgy , chemistry , organic chemistry , catalysis , optoelectronics , engineering
The development of red pigments is of great interest to the ceramic industry. Pr(IV) stabilization in a CeO 2 matrix yields materials with a red color. In this study, the traditional ceramic method involving solid‐state reaction was used to prepare pigments in the system Ce 1− x Pr x O 2−δ (0.005 ≤ x ≤ 0.1) from mixtures of rare‐earth oxides. The chemical stability of these pigments was then determined in some industrial glazes. The glazing tests indicate that the powder samples calcined at 1200° and1300°C are unstable, whereas those calcined at 1400° and 1500°C are stable. These findings are related to the nonformation of a solid solution, to which the pigmenting power is attributed, in calcinations at temperatures below 1400°C.