Enhanced Microwave Absorption Properties of SrFe12O19/CoFe2O4 Hard–Soft Ferrite Composites
Main Article Content
Abstract
Electromagnetic (EM) wave pollution has become a severe problem in the civilian and military sectors because of the increasingly popular in Mobile communications, the Internet, and digital data networks. EM wave pollution not only threatens information security but also induces various human diseases. This work presents a comparative investigation of the electromagnetic wave absorption performance of SrFe12O19, CoFe2O4, and SrFe12O19/CoFe2O4 materials. The samples were synthesized using a sol–gel method combined with thermal annealing treatment. X-ray diffractometry (XRD), scanning electron microscopy (SEM), vibrating sample magnetometer (VSM) and vector network analysis (VNA) are achieved for microstructural, magnetic and electromagnetic characterization of the sample. The results indicate that the nanocomposite exhibits enhanced electromagnetic wave absorption properties compared with the individual SrFe12O19 and CoFe2O4 nanomaterials. The composite sample achieved a minimum reflection loss of −43.3 dB at 17 GHz with a thickness of 3 mm. The SrFe12O19/ CoFe2O4 nanocomposite exhibited superior performance in terms of both minimum reflection loss and effective absorption bandwidth, indicating its promising potential for microwave absorption applications.
Keywords:
SrFe12O19/CoFe2O4, composite materials, microwave absorption.
References
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pp. 40650-40657, https//doi.org/10.1039/c7ra05700h.
[9] S. V. Trukhanov, A. V. Trukhanov, V. G. Kostishyn, L. V. Panina, A. V. Trukhanov,V. A. Turchenko, D. I. Tishkevich, E. L. Trukhanova, Investigation into the Structural Features and Microwave Absorption of Doped Barium Hexaferrites, Dalton Transactions, Vol. 46, No. 28, 2017, pp. 9010-9021, https//doi.org/10.1039/c7dt01708a.
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[12] Q. Han, X. Meng, C. Lu, Exchange-coupled Ni0.5Zn0.5Fe2O4/SrFe12O19 Composites with Enhanced Microwave Absorption Performance, J. Alloys Compd., Vol. 768, No. 3, 2018, pp. 742-749,
https//doi.org/ 10.1016/j.jallcom.2018.07.310.
[13] A. Houbi, Z. A. Aldashevich, Y. Atassi, Z. Bagasharova Telmanovna, M. Saule, K. Kubanych, Microwave Absorbing Properties of Ferrites and their Composites: A Review, J. Magn. Magn. Mater., Vol. 529, 2021,
pp. 167839, https//doi.org/10.1016/j.jmmm.2021.167839.
[14] V. Bilovol, M. Sikora, K. Berent, Exchange Coupling in SrFe12O19/CoFe2O4 Composites: Effect of Component Proportions, J. Magn. Magn. Mater., Vol. 568, 2023, pp. 170384, https//doi.org/10.1016/j.jmmm.2023.170384.
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[16] F. Jamadi, J. S. Yazdi, F. E. Tazangi, S. M. Hosseiny, The Impact of RGO and MWCNT/RGO on the Microwave Absorption of NiFe2O4@Fe3O4 in the Presence or Absence of PANI, J. Mater. Chem. A Mater., Vol. 12, No. 47, 2024, pp. 32981-3002, https//doi.org/10.1039/D4TA04128C.
[17] H. F. Lu, R. Y. Hong, H. Z. Li, Influence of Surfactants on Co-precipitation Synthesis of Strontium Ferrite, J. Alloys Compd., Vol. 509, No. 41, 2011, pp. 10127-10131, https//doi.org/10.1016/j.jallcom.2011.08.058.
[18] T. Thi, V. Nga, N. Thi, Fabrication and Exchange-Spring Properties of SrFe12O19@Fe3O4 Nanocomposites ưith Core-shell Structure, Vol. 251, 2020.
[19] T. T. V. Nga, N. T. Lan, Fabrication and Exchange-spring Properties of SrFe12O19@Fe3O4 Nanocomposites with Core-Shell Structure, Mater. Chem. Phys., Vol. 251, 2020, pp. 123084, https//doi.org/10.1016/j.matchemphys.2020.123084.
[20] X. Huang, J. Zhang, Z. Liu, T. Sang, B. Song, H. Zhu, C. Wong, Facile Preparation and Microwave Absorption Properties of Porous Hollow BaFe12O19/CoFe2O4 Composite Microrods, J. Alloys Compd., Vol. 648, 2015,
pp. 1072-1075, https//doi.org/10.1016/j.jallcom.2015.07.073.
[21] H. Yang, T. Ye, Y. Lin, J. Zhu, F. Wang, Microwave Absorbing Properties of the Ferrite Composites Based on Graphene, J. Alloys Compd., Vol. 683, 2016, pp. 567-574, https//doi.org/10.1016/j.jallcom.2016.05.127.