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Crystallization of M-type hexagonal ferrites from mechanically activated mixtures of barium carbonate and goethite

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Abstract

M-type hexagonal ferrite precursor was prepared by a soft mechanochemical treatment of BaCO3 and α-FeOOH mixtures. The effect of milling on its structure and thermal behaviour was examined by XRD, SEM and FTIR. Well crystallizedM-type hexagonal ferrite was formed from just 1 h milled precursors at 800°C. The beneficial effect of milling was explained in terms of increased homogeneity with simultaneous hetero bridging bond formation between powder constituents.

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Authors and Affiliations

  1. Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, 223-8522, Yokohama, Japan

    J. Temuujin, M. Aoyama & M. Senna

  2. Materials Research and Development Division, General Research and Development Laboratories, Taiyo Yuden Co. Ltd., 5607-2 Nakamuroda, 370-3347, Gunma, Japan

    T. Masuko, C. Ando & H. Kishi

Authors
  1. J. Temuujin
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  2. M. Aoyama
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  3. M. Senna
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  4. T. Masuko
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  5. C. Ando
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  6. H. Kishi
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  7. A. Minjigmaa
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Correspondence to J. Temuujin.

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Temuujin, J., Aoyama, M., Senna, M. et al. Crystallization of M-type hexagonal ferrites from mechanically activated mixtures of barium carbonate and goethite. Bull Mater Sci 29, 457–460 (2006). https://doi.org/10.1007/BF02914076

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  • DOI: https://doi.org/10.1007/BF02914076

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