4.7 Article

Enhanced high-frequency microwave absorption of Fe3O4 architectures based on porous nanoflake

Journal

CERAMICS INTERNATIONAL
Volume 43, Issue 17, Pages 16013-16017

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2017.08.111

Keywords

Crystal growth; Fe3O4; Porous nanostructures; Microwave absorbing materials

Funding

  1. Chinese National Natural Science Foundation [51401114, 51571054, 51701063]

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Hierarchical Fe3O4 architectures assembled with porous nanoplates (p-Fe3O4) were synthesized. Due to the strong shape anisotropy of the nanoplates, the p-Fe3O4 exhibits increased microwave resonance towards high frequency range. The improved microwave absorption properties of the p-Fe3O4, including dielectric loss and magnetic loss, are attributed to the enhanced electric polarization and interfacial polarization induced by oxygen vacancies and high surface area..

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