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<p>Yttrium iron garnet (YIG), a prototypical soft magnetic insulator with well-known chemical and thermal stability, has recently garnered renewed attention owing to advances in synthesis methods and defect engineering that have uncovered diverse electrical behaviors. These developments enable the integration of YIG into multifunctional devices that exploit coupled magnetic, electronic, and dielectric phenomena. This review provides a comprehensive examination of the electrical properties of YIG across various structural forms, doping strategies, and heterostructure configurations. Particular emphasis is placed on the interplay between crystal symmetry, defect chemistry, and interfacial effects, which collectively dictate charge transport, dielectric response, and spin-charge-lattice coupling. The multifunctional potential of YIG is further illustrated through applications in tailored p- and n-type conduction for photovoltaics, magnetoelectric composites with electric-field-controlled magnetization, and emerging metamaterial platforms exhibiting negative refractive index behavior.</p>

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Properties of YIG for engineering applications: a review

  • 期刊论文

  • 发表日期：

    2025年11月4日

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  • N. Askarzadeh,
  • H. Shokrollahi

摘要

Yttrium iron garnet (YIG), a prototypical soft magnetic insulator with well-known chemical and thermal stability, has recently garnered renewed attention owing to advances in synthesis methods and defect engineering that have uncovered diverse electrical behaviors. These developments enable the integration of YIG into multifunctional devices that exploit coupled magnetic, electronic, and dielectric phenomena. This review provides a comprehensive examination of the electrical properties of YIG across various structural forms, doping strategies, and heterostructure configurations. Particular emphasis is placed on the interplay between crystal symmetry, defect chemistry, and interfacial effects, which collectively dictate charge transport, dielectric response, and spin-charge-lattice coupling. The multifunctional potential of YIG is further illustrated through applications in tailored p- and n-type conduction for photovoltaics, magnetoelectric composites with electric-field-controlled magnetization, and emerging metamaterial platforms exhibiting negative refractive index behavior.