A comparative study of GdAlO3 perovskite prepared by sol–gel method using different complexing agents

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Authors

CIZAUSKAITE Sigute SPAKAUSKAITE Gintare BEGANSKIENE Aldona KAREIVA Aivaras PINKAS Jiří REICHLOVÁ Vendula

Year of publication 2006
Type Article in Periodical
Magazine / Source Chemija
MU Faculty or unit

Faculty of Science

Citation
Field Inorganic chemistry
Keywords aluminates; perovskites; gadolinium; ceramics; sol–gel synthesis
Description This paper presents on the results of the sol-gel preparation of the microcrystalline gadolinium aluminate (GdAlO3, GAP) ceramics at slightly different synthetic conditions. Metal ions generated by dissolving the starting materials of metals in the diluted acetic acid were complexed by different complexing agents (natural and synthetic tartaric acids, 1,2-ethanediol, citric acid, ethanolamine)to obtain the precursors for the GAP. In the sol-gel processing different starting gadolinium materials such as gadolinium nitrate or gadolinium oxide were also employed. Phase transformations, composition and microstructural features in the gels and polycrystalline samples were studied by powder X-ray diffraction analysis (XRD), infrared spectroscopy (IR) and scanning electron microscopy (SEM).
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