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Title
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Molten-salt synthesis of tetragonal micron-sized barium titanate from a peroxo-hydroxide precursor
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Author
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Abstract
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| Barium titanate (BaTiO3 ) was produced from an barium-titanate-peroxo-hydroxide precursor material in NaCI-KCI and Na2SO4-K2SO4 salt mixtures or fluxes at temperatures up to 1080 degrees C via the molten-salt synthesis (MSS) method. Beside the different salt mixtures several other parameters were studied to determine the effect on the particle morphology. A relatively fast heating rate and a relatively high salt to precursor ratio resulted in a highly faceted morphology. The effect of the salt flux was clearly seen in the morphology of BaTiO3 obtained by MSS at 1080 degrees C. Cube-shaped particles were observed for the chloride-flux-grown BaTiO3 while hexagonal-shaped flat particles were observed for the sulfate-flux grown BaTiO3. BaTiO3 particles produced in the chloride-flux were either {101} or {001} faceted. The hexagonal surface of the sulfate-flux-grown BaTiO3 was {111} faceted. (C) 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. |
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Language
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English
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Source (journal)
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Advanced powder technology. - Zeist
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Publication
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Zeist
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2017
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ISSN
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0921-8831
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DOI
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10.1016/J.APT.2016.09.007
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Volume/pages
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28
:1
(2017)
, p. 146-154
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ISI
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000395355100018
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Full text (Publisher's DOI)
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