Nanocrystalline ceria powders (CeO2) have been prepared by adding NaOH to a cerium ammonium nitrate aqueous solution under microwave-hydrothermal conditions. In particular the effect of the synthesis conditions (time, pressure and concentration of both the precursor and the precipitant agent solutions) on the physical properties of the crystals have been evaluated. Microwave-hydrothermal treatment of 5 min at 13.4 atm allows to obtain almost crystallized powders (amorphous phase 4%) as underlined by Rietveld-reference intensity ratio (RIR) results.

Synthesis and characterization of nanosized ceria powders by microwave-hydrothermal method / A., BONAMARTINI CORRADI; F., Bondioli; Ferrari, Anna Maria; Manfredini, Tiziano. - In: MATERIALS RESEARCH BULLETIN. - ISSN 0025-5408. - STAMPA. - 41(2006), pp. 38-44.

Synthesis and characterization of nanosized ceria powders by microwave-hydrothermal method

FERRARI, Anna Maria;MANFREDINI, Tiziano
2006

Abstract

Nanocrystalline ceria powders (CeO2) have been prepared by adding NaOH to a cerium ammonium nitrate aqueous solution under microwave-hydrothermal conditions. In particular the effect of the synthesis conditions (time, pressure and concentration of both the precursor and the precipitant agent solutions) on the physical properties of the crystals have been evaluated. Microwave-hydrothermal treatment of 5 min at 13.4 atm allows to obtain almost crystallized powders (amorphous phase 4%) as underlined by Rietveld-reference intensity ratio (RIR) results.
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Synthesis and characterization of nanosized ceria powders by microwave-hydrothermal method / A., BONAMARTINI CORRADI; F., Bondioli; Ferrari, Anna Maria; Manfredini, Tiziano. - In: MATERIALS RESEARCH BULLETIN. - ISSN 0025-5408. - STAMPA. - 41(2006), pp. 38-44.
A., BONAMARTINI CORRADI; F., Bondioli; Ferrari, Anna Maria; Manfredini, Tiziano
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/310653
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