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

Abstract:

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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:

Edited by:

Masaru Miyayama, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki

Pages:

163-166

DOI:

10.4028/www.scientific.net/KEM.301.163

Citation:

K. Myoujin et al., "Synthesis and Characterization of (La1-xSrx)(Ga1-yMgy)O3 Particles by Spray Pyrolysis", Key Engineering Materials, Vol. 301, pp. 163-166, 2006

Online since:

January 2006

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$35.00

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