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Hindawi, Journal of Nanomaterials, (2015), p. 1-8, 2015

DOI: 10.1155/2015/798272

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MnF 2 /SiO 2 Transport Properties of Quasiperiodic Photonic Crystals for Potential Catalytic Applications

Journal article published in 2015 by Qiang Zhang, Xuan-Zhang Wang, Shu-Fang Fu, Jing Bai, Sheng Zhou
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Magnetically recyclable materials should be ideal support in photocatalytic system because they permit the photocatalysts to be recovered rapidly and efficiently by applying an external magnetic field such as, MnF2. In this paper, MnF2and SiO2layers constitute a one-dimensional quasiperiodic photonic crystal according to Fibonacci. When the electromagnetic wave irradiates obliquely, the transmission peak moves to higher frequency direction with the angle increasing. Both the number of transmission peaks and the transmission peaks of double-forked structure increase with the increase of structural progression. We also found that the polarization of electromagnetic waves has influence on the transmission properties; TM wave transmission peak half wide is significantly greater than TE wave transmission peak half wide. The band gap near antiferromagnetic (AF) resonance frequency becomes narrow as the intensity of the applied static magnetic field increases. The as-prepared photonic crystal has tremendous potential practical use to eliminate organic pollutants from wastewater.