Left-handed behavior and low-loss passband in a ferromagnetic sandwich structure
Left-handed behavior and low-loss passband in a ferromagnetic sandwich structure
复制标题
铁磁夹层结构中的左手行为和低损耗通带
DOI:
10.1063/1.3233899
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发表时间:
2009-09
影响因子:
4.4
通讯作者:
Zhao, Hongjie
中科院分区:
文献类型:
--
作者:
Xu, Fang;Zhou, Ji;Qiao, Lijie;Bai, Yang;Zhao, Hongjie
The electromagnetic properties of a ferromagnetic-dielectric-ferromagnetic sandwich structure were studied by experiment and simulation. In the transmission spectra, an obvious passband emerges in the broad forbidden band of ferromagnetic resonance because the strong coupling of two resonatingferrite slabs excites a propagating mode. The passband has ultralow loss ( ∼ − 1 dB ) due to the feature of surface wave and the bias magnetic field pump. A negative phase evolution of propagating wave occurs in the second slab only based on the magnetic resonance. The ultralow insertion loss of passband and magnetotunability endow the sandwich structure a promising application future.
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