Sol-gel preparation and characterization of perovskite gadolinium aluminates

• Autorzy: Cizauskaite S. , Reichlova V. , Nenartaviciene G. , Beganskiene A. , Pinkas J. , Kareiva A.
• Języki publikacji: EN

Abstrakty

EN

The paper reports on the results concerning the sol-gel preparation of the nanocrystalline nonsubstituted and Sr-substituted gadolinium aluminate (GdAlO3, GAP) ceramics at slightly varying conditions of synthesis. The metal ions, generated by dissolving starting materials of metals in the diluted acetic acid were complexed by 1,2-ethanediol to obtain precursors for the non-substituted and Sr-substituted GAP. In the sol-gel processing different starting gadolinium materials such as gadolinium nitrate or gadolinium oxide were employed. The influence of the temperature and the amount of substituent on the phase purity of GAP was also investigated. Phase transformations, composition and micro-structural features in the gels and polycrystalline samples were studied by thermal analysis, powder X-ray diffraction analysis, infrared spectroscopy and scanning electron microscopy.

Słowa kluczowe

EN

aluminate; perovskite; ceramics; aqueous sol-gel process

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2007
• Tom: Vol. 25, No. 3
• Strony: 755--765
• Opis fizyczny: Bibliogr. 26 poz.

Twórcy

autor

Cizauskaite S.

autor

Reichlova V.

autor

Nenartaviciene G.

autor

Beganskiene A.

autor

Pinkas J.

autor

Kareiva A.

• Department of General and Inorganic Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania

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