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<p>Hard and soft ferrite nanocomposites have gained a lot of attention as they possess the properties of multifunctional ceramic materials with significant potential for electromagnetic applications. They also possess tremendous potential in high-frequency applications due to their combined magnetic and dielectric properties. This review critically examines the recent advances of barium hexaferrite, which is a hard ferrite, and cobalt-zinc ferrite, which is a soft ferrite, based on their structural design, synthesis strategies, and interfacial exchange-coupling mechanisms. The effects of compositional tuning, dopant incorporation and processing routes on phase growth, cation distribution, and microstructural characteristics are systematically analysed. Reported studies demonstrate improved magnetic properties (saturation magnetisation up to ~ 65.9&#xa0;emu/g and coercivity up to ~ 6307&#xa0;Oe) and improved microwave absorption performance (reflection loss up to ~ 36.8&#xa0;dB with a wide GHz bandwidth) compared to single-phase ferrites. These improvements are attributed to the synergistic interaction between the hard and soft phases, leading to optimised impedance matching and reduced dielectric losses. The review highlights current challenges in interfacial control and scalability and outlines future directions for designing high-performance ferrite nanocomposites for EMI shielding, radar absorption, and advanced communication technologies.</p> Graphical Abstract <p></p>

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Review: Recent advancements in soft/hard ferrite nanocomposites-magnetic, dielectric, and radar-absorbing performance

  • 期刊论文

  • 发表日期：

    2026年5月10日

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  • Bindu Sharma,
  • Ankush Chauhan,
  • Supreet Supreet ,
  • Ritesh Verma

摘要

Hard and soft ferrite nanocomposites have gained a lot of attention as they possess the properties of multifunctional ceramic materials with significant potential for electromagnetic applications. They also possess tremendous potential in high-frequency applications due to their combined magnetic and dielectric properties. This review critically examines the recent advances of barium hexaferrite, which is a hard ferrite, and cobalt-zinc ferrite, which is a soft ferrite, based on their structural design, synthesis strategies, and interfacial exchange-coupling mechanisms. The effects of compositional tuning, dopant incorporation and processing routes on phase growth, cation distribution, and microstructural characteristics are systematically analysed. Reported studies demonstrate improved magnetic properties (saturation magnetisation up to ~ 65.9 emu/g and coercivity up to ~ 6307 Oe) and improved microwave absorption performance (reflection loss up to ~ 36.8 dB with a wide GHz bandwidth) compared to single-phase ferrites. These improvements are attributed to the synergistic interaction between the hard and soft phases, leading to optimised impedance matching and reduced dielectric losses. The review highlights current challenges in interfacial control and scalability and outlines future directions for designing high-performance ferrite nanocomposites for EMI shielding, radar absorption, and advanced communication technologies.

Graphical Abstract