Abstract
The pure SrBi2Nb2O9 (SBN) ceramic was synthesized by the conventional solid-state reaction method. The sample was then undergoing heat treatment at different calcination temperatures: 800 °C, 850 °C, and 950 °C, and the evolution of phases were studied at these different calcination temperatures, followed by sintering at 1000 °C of temperature to form single-phase SBN. Few secondary phases have been identified along with the desired SBN phase but begin to decrease with the increase in the calcination temperature. The most appropriate calcination and sintering temperature have been successfully investigated with no impurity phase. The structural morphology of the sample sintered at 1000 °C studied under SEM reveals the formation of the highly dense plate-like grains and EDS provides information about the elemental composition. The Raman analysis revealed the formation of the orthorhombic phase of pure SBN.
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