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X-Ray Pole Figure Analysis and Magnetic Properties of Microwave Sintered Sr-M-type Hexagonal Ferrites

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Abstract

Sr-M-type sintered hexagonal ferrites were prepared by the conventional and microwave sintering method. X-ray diffraction and pole figure analysis, scanning electron microscopy (SEM), and Robograph 2 magnetic properties test instrument were applied to character the structure and magnetic properties of sintered ferrites. The XRD results reveal all the sintered samples are composed of SrFe12O19 single phase with obvious c-axis alignment. The sample with MS treatment at 1050 ∘C exhibits the optimum magnetic alignment, showing the optimum (0 0 8) and (1 0 7) pole figures with almost all circular lines focused on the center and at about 30∘ of α, respectively. Few pores and optimal densification characters can be seen from the SEM image of strontium ferrites microwave sintered at 1050 ∘C, resulting in the optical magnetic properties as remanence (B r) of 410.5 mT, coercivity (H cj) of 372.2 kA/m, and maximum magnetic energy product ((BH)max) of 31.53 kJ/m3, respectively.

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Acknowledgements

This work was supported by Project of the Shanghai Education Commission of the P.R. China (11CXY58 and J51504) and Shanghai Science and Technology Committee of the P.R. China (09QT1402400, 10ZR1429700).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai, 201418, China

    Minglin Jin, Zhanyong Wang, Hanhan Jiang, Yanjie Sun, Xiaorui Wang, Huichun Qian, Qizhong Chen & Kejia Liu

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  1. Minglin Jin
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  2. Zhanyong Wang
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  3. Hanhan Jiang
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  4. Yanjie Sun
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  5. Xiaorui Wang
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Correspondence to Minglin Jin or Zhanyong Wang.

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Jin, M., Wang, Z., Jiang, H. et al. X-Ray Pole Figure Analysis and Magnetic Properties of Microwave Sintered Sr-M-type Hexagonal Ferrites. J Supercond Nov Magn 26, 2779–2783 (2013). https://doi.org/10.1007/s10948-013-2110-y

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  • DOI: https://doi.org/10.1007/s10948-013-2110-y

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