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Self-Assembled Epitaxial BaFe12O19 Nano-Island Film Grown on Al2O3 Substrate by Pulsed Laser Deposition
Materials Letters (2016)
  • Guodong Wei, Shandong University
  • Lin Wei, Shandong University
  • Xanxue Chen, Shandong University
  • Shishen Yan, Shandong University
  • Liangmo Mei, Shandong University
  • Jun Jiao, Portland State University
M-type hexagonal barium ferrite is one of the most favorable ferrite materials, whose functional properties such as ferroelectric polarity alignment and the interaction between electron spins could be controlled by manipulating its stoichiometry or microstructure. In this letter, BaFe12O19 films have been prepared on Al2O3 substrate by pulsed laser deposition at different temperature. AFM and SEM results show that under optimal preparation condition, the films change into self-assembled triangular shaped nano-islands with highly regulated orientation. Interesting magnetic and optical properties have been observed in these BaFe12O19 nanostructures. We believe this work may provide a unique opportunity to investigate anomalous phenomenons associated with nanostructured magnetic oxides and the growth dynamics of ferrite films.
Publication Date
October, 2016
Citation Information
Wei, G., Wei, L., Chen, Y., Yan, S., Mei, L., & Jiao, J. (2016). Self-assembled epitaxial BaFe12O19 nano-island film grown on Al2O3 substrate by pulsed laser deposition. Materials Letters (Vol. 181).