https://orcid.org/0000-0002-1480-2253
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ABSTRACT
A novel Sr induced approach was developed to prepare powder crystal by molten salt synthesis. Two systems, e.g. Nb2O5+KCl and Nb2O5+NaCl+KCl, were investigated. It was found that a small addition of Sr was favorable to induce formation of a tetragonal tungsten bronze structure phase in the both systems. Acicular potassium sodium niobate particles with a high aspect ratio were fabricated in the Nb2O5+NaCl+KCl system, which will be appropriate templates for fabrication of textured (K0.5Na0.5)NbO3 ceramics with a small grain size. This work opens up a new avenue for the design other templates with a needle-like morphology.
Acknowledgment
This work was supported by the National Natural Science Foundation of China (No. 51502191).
Additional information
Funding
This work was supported by the National Natural Science Foundation of China (51502191).