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Cited by 370

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Multiscale Assembly of Grape-Like Ferroferric Oxide and Carbon Nanotubes: A Smart Absorber Prototype Varying Temperature to Tune Intensities

Lu, Ming-Ming, Cao, Mao-Sheng, Chen, Yi-Hua, Cao, Wen-Qiang, Liu, Jia, Shi, Hong-Long, Zhang, De-Qing, Wang, Wen-Zhong, Yuan, Jie·2015·ACS Applied Materials & Interfaces

Abstract

Ideal electromagnetic attenuation material should not only shield the electromagnetic interference but also need strong absorption. Lightweight microwave absorber with thermal stability and high efficiency is a highly sought-after goal of researchers. Tuning microwave absorption to meet the harsh requirements of thermal environments has been a great challenge. Here, grape-like Fe3O4-multiwalled carbon nanotubes (MWCNTs) are synthesized, which have unique multiscale-assembled morphology, relatively uniform size, good crystallinity, high magnetization, and favorable superparamagnetism. The Fe3O4-MWCNTs is proven to be a smart microwave-absorber prototype with tunable high intensities in double belts in the temperature range of 323-473 K and X band. Maximum absorption in two absorbing belts can be simultaneously tuned from ∼-10 to ∼-15 dB and from ∼-16 to ∼-25 dB by varying temperature, respectively. The belt for reflection loss ≤-20 dB can almost cover the X band at 323 K. The tunable microwave absorption is attributed to effective impedance matching, benefiting from abundant interfacial polarizations and increased magnetic loss resulting from the grape-like Fe3O4 nanocrystals. Temperature adjusts the impedance matching by changing both the dielectric and magnetic loss. The special assembly of MWCNTs and magnetic loss nanocrystals provides an effective pathway to realize excellent absorbers at elevated temperature.

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Crossref · 10.1021/acsami.5b05595

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Metadata

Authors
Lu, M.-M., Cao, M.-S., Chen, Y.-H., Cao, W.-Q., Liu, J., Shi, H.-L., Zhang, D.-Q., Wang, W.-Z., & Yuan, J.
Venue
ACS Applied Materials & Interfaces
Published
2015-08-24
Volume
7
Issue
34
Pages
19408-19415
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W1197437182
Cited by
370
References
37
FWCI
14.21
Type
journal article
Language
en
Open access
closed

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