Molten salt synthesis of YAlO3 powders

In this work, the molten salt synthesis technique was applied to the synthesis of YAlO 3 powder using LiCl, NaCl or KCl salt as the flux. YAlO 3 powder was synthesized by reacting equimolar amounts of Y 2 O 3 and Al 2 O 3 powders in LiCl salt. The synthesis temperature for YAlO 3 using LiCl salt was...

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Bibliographic Details
Published in:Materials science--Poland 2013-04, Vol.31 (2), p.240-245
Main Author: Lee, Joo-Sin
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
molten salt synthesis
powder
YAlO3
yttrium aluminum perovskite (YAP)
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Summary:In this work, the molten salt synthesis technique was applied to the synthesis of YAlO 3 powder using LiCl, NaCl or KCl salt as the flux. YAlO 3 powder was synthesized by reacting equimolar amounts of Y 2 O 3 and Al 2 O 3 powders in LiCl salt. The synthesis temperature for YAlO 3 using LiCl salt was 1300 °C which is by about 500 °C lower than that in the conventional mixed-oxide method. The synthesized powders have been characterized using powder X-ray diffraction (XRD) analysis and field emission scanning electron microscopy (FE-SEM). The effect of the salt type on the formation of YAlO 3 has also been investigated.
ISSN:2083-1331
2083-134X
DOI:10.2478/s13536-012-0091-3