Phase and Morphology Evolution of Zirconium Titanate Powders

Abstract

In this work, the zirconium titanate, ZrTiO4 was synthesized using a mixed oxide
route. The formation of ZrTiO4 as a function of calcinations temperature was determined
from XRD results. The crystal structure, particle size distribution, morphology and phase
composition of the calcined powders were investigated using XRD and SEM techniques. It
was found that when the calcinations temperature reached 1150 ??C the structure of the
anatase-TiO2 was changed to rutile-TiO2. At 1350 ??C calcinations, a single phase of ZrTiO4
was formed and the yield was significantly increased, confirming the complete reaction
between rutile-TiO2 and ZrO2. In conclusion, the pure worlframite phase of ZrTiO4 powders
could be obtained successfully using the simple mixed oxide route with calcinations
condition of 1350 ??C for 4 h at 5 ??C /min.

Keywords: Zirconium titanate, ZrTiO4, Calcination, Powder synthesis