Synthesis of Polycrystalline GGG by Carbonate Co-precipitation Method for Crystal Growth

Abstract

Abstract: Gd₃Ga₅O₁₂ (GGG) precursor was synthesized by a co-precipitation method using ammonium
hydrogen carbonate as precipitator. TG-DTA and IR spectra indicated that the precursor was alkaline and the weight loss during calcination was
28.06%. The results of XRD analysis indicated that the polycrystalline powder was well-crystallized after calcination at 1000℃C for 3h.
Compared with the solid-state reaction, the carbonate co-precipitation had the merits of short reaction period, well-crystallization, low calcining
temperature, and less volatilization. As a result, the volatilization and disproportion of Gd₂O₃ and Ga₂O₃ could be well controlled
during crystal growth and the optical quality of single crystal was also improved.

Key words: Gd₃Ga₅O₁₂, co-precipitation, polycrystalline charge, carbonate

CLC Number:

PIAO Xian-Qing,LIU Jing-He,SUN Jing. Synthesis of Polycrystalline GGG by Carbonate Co-precipitation Method for Crystal Growth[J]. Journal of Inorganic Materials.

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Synthesis of Polycrystalline GGG by Carbonate Co-precipitation Method for Crystal Growth

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