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Received: 2005-10-31

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.1 P.71~75

http://doi.org/10.1631/jzus.2006.A0071


Left-handed materials in magnetized metallic magnetic thin films


Author(s):  Wu Rui-xin, Xiao John Q.

Affiliation(s):  Department of Electronic Sciences and Engineering, Nanjing University, Nanjing 210093, China; more

Corresponding email(s):   rxwu@nju.edu.cn

Key Words:  Left-handed materials (LHMs), Magnetic thin film, Ferromagnetic resonance frequency


Wu Rui-xin, Xiao John Q.. Left-handed materials in magnetized metallic magnetic thin films[J]. Journal of Zhejiang University Science A, 2006, 7(1): 71~75.

@article{title="Left-handed materials in magnetized metallic magnetic thin films",
author="Wu Rui-xin, Xiao John Q.",
journal="Journal of Zhejiang University Science A",
volume="7",
number="1",
pages="71~75",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A0071"
}

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%T Left-handed materials in magnetized metallic magnetic thin films
%A Wu Rui-xin
%A Xiao John Q.
%J Journal of Zhejiang University SCIENCE A
%V 7
%N 1
%P 71~75
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A0071

TY - JOUR
T1 - Left-handed materials in magnetized metallic magnetic thin films
A1 - Wu Rui-xin
A1 - Xiao John Q.
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 1
SP - 71
EP - 75
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A0071


Abstract: 
The authors’ theoretical investigation on the high-frequency response of magnetized metallic magnetic films showed that magnetic films may become left-handed materials (LHMs) near the ferromagnetic resonance frequency of incident waves with right-handed circular polarization (RCP) and linear polarization (LP). The frequency range where LHM exists depends on the waves polarization, the magnetic damping coefficient, and the ferromagnetic characteristic frequency ωm of the film. There also exists a critical damping coefficient αc, above which the left-handed properties disappear completely.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[8] Smith, D.R., Padilla, W.J., Vier, D.C., Nemat-Nasser, S.C., Schultz, S., 2000. Composite media with simultaneously negative permeability and permittivity. Phys. Rev. Lett., 84:4184-4187.

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[10] Wu, R.X., Zhang, X.K., Lin, Z.F., Chui, S.T., Xiao, J.Q., 2004. Possible existence of left-handed materials in metallic magnetic thin films. J. Magn. Magn. Mat., 271(2-3):180-183.

[11] Zhang, K.Q., 1998. Electromagnetic Theory for Microwaves and Optoelectronics. Springer.

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