Publicação: Lanthanum doped BiFeO3 powders: Syntheses and characterization
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2010-07-02
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Elsevier B.V. Sa
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A soft chemistry route was employed to fabricate single-phase lanthanum modified BiFeO3 (BFO) powders. Effects of lanthanum concentration on the phase formation, grain size and morphologies of BFO powders were systematically investigated. X-ray diffraction results indicated that perovskite phase have been synthesized at the temperature of 850 degrees C/2 h while infrared data indicates no traces of carbonate. Raman analysis reveals that lanthanum atom substitutes bismuth into the BFO site. A homogeneous size distribution of BFO powders was evidenced by scanning electron microscopy. (C) 2010 Elsevier B.V. All rights reserved.
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Journal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 501, n. 1, p. 25-29, 2010.
