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12 April 2012 Solvothermal synthesis and characterization of nanocrystalline NaNbO3 and NaTaO3 powders
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Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 840933 (2012) https://doi.org/10.1117/12.923784
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China
Abstract
The nanocrystalline sodium niobate(NaNbO3) and sodium tantalite(NaTaO3) powders with perovskite structure were synthesized by the solvthermal method with glycol as solvent. These powders were characterized by powder X-ray diffraction(XRD), Raman spectroscopy, Scanning electron microscopy (SEM) and transmission electron microscopy(TEM). Rietveld refinement of X-ray diffraction data and Raman spectroscopy confirm that the nanoparticles of NaNbO3 and NaTaO3 have orthorhombically distrorted structures with Pmc21 and Pbnm space groups, respectively. The SEM photograph shows that NaTaO3 and NaTaO3 powder are cubic morphology. The TEM and the SAED pattern confirmed that the nanoscale NaTaO3 is single-crystal structure. In addition, the influence of the concentration on the NaTaO3 powder characteristics was also detailed investigated.
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Jilan Yang, Haiyan Chen, Zhuo Wang, Boyang Liu, and Yanhua Fan "Solvothermal synthesis and characterization of nanocrystalline NaNbO3 and NaTaO3 powders", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 840933 (12 April 2012); https://doi.org/10.1117/12.923784
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