Seeharaj, Panpailin

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Seeharaj, Panpailin
Alternative Name
Seeharaj, P.
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Email
panpailin.se@kmitl.ac.th

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    Item type:Publication,
    Spherical nanocrystalline barium zirconate titanate prepared by Co-precipitation in highly basic aqueous solution
    (2013-01-01)
    Seeharaj, Panpailin
    ;
    Wirunchit, Supamas
    ;
    Charoonsuk, Piyanut
    ;
    Kim-Lohsoontorn, Pattaraporn
    ;
    Vittayakorn, Naratip
    Spherical monosized barium zirconate titanate nanoparticles (Ba(Zr <inf>x</inf>Ti<inf>1-x</inf>)O<inf>3</inf> (BZT) when x = 0.25, 0.30 and 0.35) have been prepared by co-precipitation in a strongly alkaline solution (20 M NaOH) at 80°C. The phase formation of the as-precipitated powders was characterized by XRD, FT-IR and Raman spectroscopy as a single-phase BZT with cubic perovskite oxide structure. This indicates that crystalline BZT powders can be obtained from the co-precipitation in 20 M NaOH without the requirement of calcination process. SEM analysis showed that BZT had nanosized spherical morphology with uniform shape and size. The crystal sizes obtained by TEM analysis were 20-40 nm. © 2013 Copyright Taylor and Francis Group, LLC.