Hollow Crystals of BiFeO₃ Prepared via a Al³⁺-Assisted Hydrothermal Method

Abstract:

The BiFeO3 hollow crystals were successfully prepared at 200oC by a Al³⁺ assisted hydrothermal method. The structures and morphologies of the as-obtained products were characterized by X-ray diffraction (XRD) and field emission scanning electron microscopy (SEM). A morphology evolution from irregular shape to square, hollow, and sphere-like was observed as the Al ions concentration varied from 0% to 1.5%. The possible growth mechanism of the BiFeO₃ hollow crystals was also discussed.

• Periodical: Applied Mechanics and Materials (Volumes 174-177)
• Pages: 516-519
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.174-177.516
• Online since: May 2012
• Authors: Yong Gang Wang, Lin Lin Yang, Yu Jiang Wang, Xiao Feng Wang
• Keywords: Al³⁺, BiFeO₃, Hollow Crystals, Hydrothermal

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