Applied Physics A

, 124:842 | Cite as

Tailoring magnetic properties of Al-substituted M-type strontium hexaferrites

  • Yue Dai
  • Zhongwen Lan
  • Chuanjian Wu
  • Changlong Yang
  • Zhong Yu
  • Rongdi Guo
  • Wei Wang
  • Chuan Chen
  • Xin Liu
  • Xiaona Jiang
  • Ke SunEmail author


Ferrites which have relatively high remanence ratio, large coercivity and strong anisotropy are needed to meet the increasing demand for devices used in millimeter-wave frequency. Herein, we demonstrate a composition of Sr0.7La0.3Fe12−xAlxO19 hexaferrites prepared by the conventional ceramic method. We investigate the phase, morphology and magnetic properties of Al-substituted strontium hexaferrites. This study illustrates that aluminum substitution has a significant effect to improve the coercivity and anisotropic field. Finally, we propose an empirical relationship between the functional properties of Al-substituted ferrites and the amount of aluminum.



The authors gratefully acknowledge the support from the National Natural Science Foundation of China (51772046, 51472045), and Scientific Research Sponsorship Program by State Grid Corporation of China (SGLNSY00FZJS1800983). The authors would like to thank Mr Y. Liu and H Liu for the XRD measurements and their helpful discussions.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yue Dai
    • 1
  • Zhongwen Lan
    • 1
  • Chuanjian Wu
    • 1
  • Changlong Yang
    • 2
  • Zhong Yu
    • 1
  • Rongdi Guo
    • 1
  • Wei Wang
    • 2
  • Chuan Chen
    • 3
  • Xin Liu
    • 3
  • Xiaona Jiang
    • 1
  • Ke Sun
    • 1
    Email author
  1. 1.School of Materials and EnergyUniversity of Electronic Science and Technology of ChinaChengduChina
  2. 2.State Grid Shenyang Electric Power Supply CompanyShenyangChina
  3. 3.Global Energy Interconnection Research Institute Co., Ltd.BeijingChina

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