Large Spectral Modification of the Faraday Effect of 3D SiO2/CoFe2O4 Magneto-Photonic Crystals

被引：12

作者：

Abou Diwan, Elie ^{[1
]}

Royer, Francois ^{[1
]}

Jamon, Damien ^{[1
]}

Kekesi, Renata ^{[1
,3
]}

Neveu, Sophie ^{[2
]}

Blanc-Mignon, Marie-Francoise ^{[1
]}

Rousseau, Jean Jacques ^{[1
]}

机构：

[1] Univ St Etienne, Lab Hubert Curien, Univ Lyon, CNRS,UMR5516, F-42023 St Etienne, France

[2] UPMC Univ Paris 06, Sorbonne Univ, CNRS, Lab PHENIX, Case 51,4 Pl Jussieu, F-75005 Paris, France

[3] CSIC, CNM, IMM, PTM, Isaac Newton 8, E-28760 Madrid, Spain

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2016年 / 16卷 / 09期

关键词：

Magneto-Optical Effect; Sol-Gel; Magnetic Nanoparticles; Photonic Crystals; PHASE-MODULATED ELLIPSOMETRY; OPAL; NANOPARTICLES; ENHANCEMENT; ROTATION;

D O I：

10.1166/jnn.2016.12844

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The ability of 3D magneto-photonic crystals (3D MPCs) to modify the spectrum of the Faraday effect has been investigated. Such MPCS are composed of a 3D periodic arrangement of air balls in a silica matrix doped by cobalt ferrite nanoparticles. Scanning Electron Microscopy (SEM) images of the prepared samples evince the 3D periodic arrangement. Using a home-made polarimetric optical bench, the transmittance, Faraday rotation and ellipticity have been measured at the same place as a function of the wavelength and the applied magnetic field. A redshift of the photonic band gap (PBG) as a function of the volume fraction of magnetic nanoparticles has been demonstrated, and the magnetic character of the structures has been highlighted. Finally, the spectrums of Faraday rotation and ellipticity evidence a significant shape modification in the vicinity of the PBG.

引用

页码：10160 / 10165

页数：6

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