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Hierarchical Dendrite-Like Magnetic Materials of Fe3O4, γ-Fe2O3, and Fe with High Performance of Microwave Absorption
Abstract
Iron-based microstructured or nanostructured materials, including Fe, γ-Fe 2 O 3, and Fe 3 O 4, are highly desirable for magnetic applications because of their high magnetization and a wide range of magnetic anisotropy. An important application of these materials is use as an electromagnetic wave absorber to absorb radar waves in the centimeter wave (2−18 GHz). Dendrite-like microstructures were achieved with the phase transformation from dendritic α-Fe 2 O 3 to Fe 3 O 4, Fe by partial and full reduction, and γ-Fe 2 O 3 by a reduction−oxidation process, while still preserving the dendritic morphology. The investigation of the magnetic properties and microwave absorbability reveals that the three hierarchical microstructures are typical ferromagnets and exhibit excellent microwave absorbability. In addition, this also confirms that the microwave absorption properties are ascribed to the dielectric loss for Fe and the combination of dielectric loss and magnetic loss for Fe 3 O 4 and γ-Fe 2 O 3 .
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Cites
Monodisperse FePt Nanoparticles and Ferromagnetic FePt Nanocrystal Superlattices
Sun, S., Murray, C. B., Weller, D., Folks, L., & Moser, A. (2000) · Science · doi:10.1126/science.287.5460.1989 · Cited by 6,137
Cited by
Electromagnetic absorption materials: Current progress and new frontiers
Lv, H., Yang, Z., Pan, H., & Wu, R. (2022) · Progress in Materials Science · doi:10.1016/j.pmatsci.2022.100946 · Cited by 837
Wang, L., Huang, Y., Sun, X., Huang, H., Liu, P., Zong, M., & Wang, Y. (2014) · Nanoscale · doi:10.1039/c3nr05313j · Cited by 429
Progress in microwave absorbing materials: A critical review
Sharma, S., Parne, S. R., Panda, S. S. S., & Gandi, S. (2024) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2024.103143 · Cited by 291
Zhong, D., Zhang, Y., Wang, L., Chen, J., Jiang, Y., Tsang, D. C. W., Zhao, Z., Ren, S., Liu, Z., & Crittenden, J. C. (2018) · Environmental Pollution · doi:10.1016/j.envpol.2018.08.093 · Cited by 214
Novel magnetic nanomaterials inspired by magnetotactic bacteria: Topical review
Prozorov, T., Bazylinski, D. A., Mallapragada, S. K., & Prozorov, R. (2013) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2013.04.002 · Cited by 137
Metadata
- Authors
- Sun, G., Dong, B., Cao, M., Wei, B., & Hu, C.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-02-15
- Volume
- 23
- Issue
- 6
- Pages
- 1587-1593
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2334388355
- Cited by
- 981
- References
- 1
- FWCI
- 20.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Hierarchical Dendrite-Like Magnetic Materials of Fe3O4, γ-Fe2O3, and Fe with High Performance of Microwave Absorption. https://app.cochat.ai/papers/10.1021/cm103441u
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- Sun, G., Dong, B., Cao, M., Wei, B., & Hu, C. (2011). Hierarchical Dendrite-Like Magnetic Materials of Fe3O4, γ-Fe2O3, and Fe with High Performance of Microwave Absorption. Chemistry of Materials. https://doi.org/10.1021/cm103441u
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