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Synthesis and Characterization of (La1-xSrx)(Ga1-yMgy)O3 Particles by Spray Pyrolysis
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Synthesis and Characterization of (La1-xSrx)(Ga1-yMgy)O3 Particles by Spray Pyrolysis

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Abstract:

Spherical La0.8Sr0.2Ga0.8Mg0.2O2.8 precursor powders were synthesized by ultrasonic spray pyrolysis using aqueous solution of citric acid and of metal nitrate. As-prepared powders obtained by this method have a spherical morphology with a submicron size. The calcination behavior of the precursor powders of the above phases were examined in the temperature range of 1073 –1773 K in an air atmosphere. XRD, SEM, DTA-TG and BET analysis were used for determination of the composition, morphology, particle size and surface area. XRD revealed that as-prepared powders were crystallized to perovskite structure after the sintering at 1573 K for 10 h.

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Periodical:

Key Engineering Materials (Volume 301)

Pages:

163-166

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.301.163

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Online since:

January 2006

Authors:

Kenichi Myoujin, Nobuyoshi Aoyagi, Nobuo Ogata, Takashi Ogihara

Keywords:

Fine Powder, Lanthanum Gallate, Perovskite, Solid Oxide Fuel Cell (SOFC), Spray Pyrolysis

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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