Issue 48, 2013
From the journal:

RSC Advances

Microstructure and metal–dielectric transition behaviour in a percolative Al2O3–Fe composite via selective reduction

Zidong Zhang,ab   Runhua Fan,*a   Zhicheng Shi,a   Kelan Yan,a   Zhijia Zhang,b   Xiaolin Wang*b  and  Shixue Doub  

* Corresponding authors

a Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
E-mail: fan@sdu.edu.cn
Tel: +86-531-883-93396

b Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, New South Wales 2500, Australia
E-mail: xiaolin@uow.edu.au
Tel: +61-2-4421-5766

Abstract

The electromagnetic (EM) medium plays a key role in many areas, such as communications, stealth technology, etc. Different EM properties are required for different applications. In this paper, we have obtained tunable EM properties in an Al2O3–Fe composite via selective reduction. By adjusting the content of one functional component, the composite shows totally different EM properties, in accordance with the predictions of effective medium theory. Hybrid EM behaviour is obtained near the percolation threshold, which has a close relationship with its microstructure.

Graphical abstract: Microstructure and metal–dielectric transition behaviour in a percolative Al2O3–Fe composite via selective reduction

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Article information

DOI
https://doi.org/10.1039/C3RA45253K
Article type
Paper
Submitted
20 Sep 2013
Accepted
22 Oct 2013
First published
23 Oct 2013

RSC Adv., 2013,3, 26110-26115

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Microstructure and metal–dielectric transition behaviour in a percolative Al2O3–Fe composite via selective reduction

Z. Zhang, R. Fan, Z. Shi, K. Yan, Z. Zhang, X. Wang and S. Dou, RSC Adv., 2013, 3, 26110 DOI: 10.1039/C3RA45253K

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