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Journal article

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

By Wang, Xiaoliang1; Liu, Yanguo2; Han, Hongyan3; Mølhave, Kristian4,5; Sun, Hongyu4,5

From

Hebei University of Science and Technology1

Northeastern University at Qinhuangdao2

Chinese Academy of Sciences3

Department of Micro- and Nanotechnology, Technical University of Denmark4

Molecular Windows, Department of Micro- and Nanotechnology, Technical University of Denmark5

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.

Language: English
Year: 2017
Pages: 16013-16017
ISSN: 18733956 and 02728842
Types: Journal article
DOI: 10.1016/j.ceramint.2017.08.111
ORCIDs: Mølhave, Kristian
Keywords

Crystal growth Fe3O4 Microwave absorbing materials Porous nanostructures

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