Surface functionalization of carbonyl iron with aluminum phosphate coating toward enhanced anti-oxidative ability and microwave absorption properties

Surface functionalization of carbonyl iron with aluminum phosphate coating toward enhanced... Article history: Fe@AlPO core-shell composites with tunable AlPO content have been successfully prepared through 4 4 Received 11 May 2017 in situ deposition of AlPO on the surface of carbonyl iron. The presence of the AlPO layer improves 4 4 Received in revised form 2 August 2017 the anti-oxidative ability of the internal carbonyl iron, so that surface oxidation and magnetic degra- Accepted 3 August 2017 dation in these composites are significantly suppressed when compared with naked carbonyl iron. It is Available online 12 August 2017 worth noting that the AlPO layer can affect the electromagnetic parameters of carbonyl iron, result- ing in well-matched characteristic impedance. By optimizing the AlPO layer content, the Fe@AlPO 4 4 Keywords: composite can display excellent reflection loss characteristics, and qualified absorption in a very broad Carbonyl iron frequency range (2.4–18.0 GHz over −10 dB) can be achieved. The microwave absorption performance of Composite the Fe@AlPO composite is indeed superior to pure carbonyl iron as well as many previously reported car- AlPO layer bonyl iron-based composites. More importantly, the Fe@AlPO composite can maintain good microwave Microwave absorption 4 Anti-oxidative ability absorption properties after treatment at high temperature for long time periods. These results provide http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Surface functionalization of carbonyl iron with aluminum phosphate coating toward enhanced anti-oxidative ability and microwave absorption properties

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.034
Publisher site
See Article on Publisher Site

Abstract

Article history: Fe@AlPO core-shell composites with tunable AlPO content have been successfully prepared through 4 4 Received 11 May 2017 in situ deposition of AlPO on the surface of carbonyl iron. The presence of the AlPO layer improves 4 4 Received in revised form 2 August 2017 the anti-oxidative ability of the internal carbonyl iron, so that surface oxidation and magnetic degra- Accepted 3 August 2017 dation in these composites are significantly suppressed when compared with naked carbonyl iron. It is Available online 12 August 2017 worth noting that the AlPO layer can affect the electromagnetic parameters of carbonyl iron, result- ing in well-matched characteristic impedance. By optimizing the AlPO layer content, the Fe@AlPO 4 4 Keywords: composite can display excellent reflection loss characteristics, and qualified absorption in a very broad Carbonyl iron frequency range (2.4–18.0 GHz over −10 dB) can be achieved. The microwave absorption performance of Composite the Fe@AlPO composite is indeed superior to pure carbonyl iron as well as many previously reported car- AlPO layer bonyl iron-based composites. More importantly, the Fe@AlPO composite can maintain good microwave Microwave absorption 4 Anti-oxidative ability absorption properties after treatment at high temperature for long time periods. These results provide

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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