Negative and near zero refraction metamaterials based on permanent magnetic ferrites.
Negative and near zero refraction metamaterials based on permanent magnetic ferrites.
复制标题
基于永磁体铁氧体的负折射和近零折射超材料
DOI:
10.1038/srep04139
复制
发表时间:
2014-02-20
影响因子:
4.6
通讯作者:
Lan C
中科院分区:
文献类型:
--
作者:
Bi K;Guo Y;Zhou J;Dong G;Zhao H;Zhao Q;Xiao Z;Liu X;Lan C
Ferrite metamaterials based on the negative permeability of ferromagnetic resonance in ferrites are of great interest. However, such metamaterials face a limitation that the ferromagnetic resonance can only take place while an external magnetic field applied. Here, we demonstrate a metamaterial based on permanent magnetic ferrite which exhibits not only negative refraction but also near zero refraction without applied magnetic field. The wedge-shaped and slab-shaped structures of permanent magnetic ferrite-based metamaterials were prepared and the refraction properties were measured in a near-field scanning system. The negative and near zero refractive behaviors are confirmed by the measured spatial electric field maps. This work offers new opportunities for the development of ferrite-based metamaterials.
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影响因子:
3.2
作者:
Dewar, G
通讯作者:
Dewar, G
影响因子:
3.7
作者:
Katsarakis, N;Koschny, T;Soukoulis, CM
通讯作者:
Soukoulis, CM
影响因子:
2.4
作者:
Smith, D. R.
通讯作者:
Smith, D. R.
影响因子:
4.6
作者:
Bouillard, J. -S;Vilain, S.;Dickson, W.;Wurtz, G. A.;Zayats, A. V.
通讯作者:
Zayats, A. V.
影响因子:
8.6
作者:
Pendry, JB
通讯作者:
Pendry, JB