研究目的
Synthesis of plate-like B-site complex perovskite Ba(Zr0.1Ti0.9)O3 microcrystals using topochemical microcrystal conversion and molten salt method.
研究成果
Plate-like Ba(Zr0.1Ti0.9)O3 perovskite microcrystals with B-site complex structure were successfully synthesized, paving the way for fabricating environmentally friendly lead-free piezoelectric textured ceramics.
研究不足
The synthesis process may require optimization for scaling up and for achieving higher purity of the final product.
1：Experimental Design and Method Selection:
The synthesis involved a two-step process combining molten salt synthesis (MSS) with topochemical microcrystal conversion (TMC) reactions.
2：Sample Selection and Data Sources:
Raw powders of BaCO3, Bi2O3, TiO2, KCl, NaCl, and ZrO2 were used.
3：List of Experimental Equipment and Materials:
Ball mill, drying oven, muffle furnace, alumina crucible, X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), and field-emission transmission electron microscopy (FETEM).
4：Experimental Procedures and Operational Workflow:
Plate-like Aurivillius BIZT precursors were prepared and then converted to Ba(Zr
5：1Ti9)O3 microcrystals through TMC. Data Analysis Methods:
XRD, SEM, EDS, and TEM were used for phase purity, structure, and morphology analysis.
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XRD-7000
XRD-7000
Shimadzu
Phase purity and structure analysis
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FESEM-MLA 650F
MLA 650F
FEI
Microcrystal morphology characterization
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FETEM-Talos F200X
Talos F200X
FEI
Microcrystal morphology and crystalline structure characterization
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BaCO3
Sinopharm
Raw material for synthesis
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Bi2O3
Sinopharm
Raw material for synthesis
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TiO2
Rutile
Aladdin
Raw material for synthesis
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KCl
Guanghua
Molten salt for synthesis
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NaCl
Guanghua
Molten salt for synthesis
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ZrO2
Sinopharm
Raw material for synthesis
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