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Fabrication of Columnar NaNbO3‑Based Particles Through Topochemical Microcrystal Conversion
Liangliang Liu,Rui Lv,Zhuangzhuang Guo,Yongqiang Wang 대한금속·재료학회 2020 ELECTRONIC MATERIALS LETTERS Vol.16 No.1
The columnar NaNbO3-based particles with a perovskite structure were successfully synthesized through topochemical microcrystal conversion. First, the precursor was fabricated by facile MSS in the Nb2O5–KCl system. A good dispersion and high aspect ratio were satisfed simultaneously with a small amount of SrCO3 and KSr2Nb5O15 (KSN) seed. Then, columnar NaNbO3-based particles, 10 μm in length and 1 μm in diameter, were obtained via the simple molten salt reaction from the precursor. The results of NaNbO3-based ceramics suggested that the as-synthesized NaNbO3-based particles had the good mechanical properties and homogeneous chemical composition.