Isotropic negative permeability composite based on Mie resonance of the BST-MgO dielectric medium

Qian Zhao; Lei Kang; Bo Du; Hong Jie Zhao; Qin Xie; Bo Li; Ji Zhou; Long Tu Li; Yong Gang Meng

doi:10.1007/s11434-008-0475-2

Isotropic negative permeability composite based on Mie resonance of the BST-MgO dielectric medium

Qian Zhao, Lei Kang, Bo Du, Hong Jie Zhao, Qin Xie, Bo Li, Ji Zhou, Long Tu Li, Yong Gang Meng

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Isotropic negative permeability composite, composed of BST-MgO dielectric cubes with high permittivity dispersed in the Teflon substrate with low permittivity, was designed and fabricated based on Mie resonance and the effective medium theory. Measurements and simulations showed that the dielectric composite exhibited a strong sub-wavelength magnetic resonance at the first Mie resonance and possessed isotropic negative permeability, which resulted from the displacement current excited in the cubes. The dielectric particle was equivalent to a magnetic dipole at the magnetic resonance, which could be adjusted by the size and permittivity of the particles. It may provide a convenient method to design isotropic metamaterials and invisible cloak at infrared and visible frequencies.

Original language	English (US)
Pages (from-to)	3272-3276
Number of pages	5
Journal	Chinese Science Bulletin
Volume	53
Issue number	21
DOIs	https://doi.org/10.1007/s11434-008-0475-2
State	Published - Nov 2008

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@article{99d6d0bc774447cb84c4dc137629bacd,

title = "Isotropic negative permeability composite based on Mie resonance of the BST-MgO dielectric medium",

abstract = "Isotropic negative permeability composite, composed of BST-MgO dielectric cubes with high permittivity dispersed in the Teflon substrate with low permittivity, was designed and fabricated based on Mie resonance and the effective medium theory. Measurements and simulations showed that the dielectric composite exhibited a strong sub-wavelength magnetic resonance at the first Mie resonance and possessed isotropic negative permeability, which resulted from the displacement current excited in the cubes. The dielectric particle was equivalent to a magnetic dipole at the magnetic resonance, which could be adjusted by the size and permittivity of the particles. It may provide a convenient method to design isotropic metamaterials and invisible cloak at infrared and visible frequencies.",

author = "Qian Zhao and Lei Kang and Bo Du and Zhao, {Hong Jie} and Qin Xie and Bo Li and Ji Zhou and Li, {Long Tu} and Meng, {Yong Gang}",

note = "Funding Information: Received April 1, 2008; accepted August 8, 2008 doi: 10.1007/s11434-008-0475-2 †Corresponding author (email: zhouji@mail.tsinghua.edu.cn) Supported by the National Natural Science Foundation of China (Grant Nos. 50425204, 50632030, 60608016, 10774087) and the State Key Laboratory of Tribology (Grant No. SKLT 08B12)",

year = "2008",

month = nov,

doi = "10.1007/s11434-008-0475-2",

language = "English (US)",

volume = "53",

pages = "3272--3276",

journal = "Science Bulletin",

issn = "2095-9273",

publisher = "Springer Science + Business Media",

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TY - JOUR

T1 - Isotropic negative permeability composite based on Mie resonance of the BST-MgO dielectric medium

AU - Zhao, Qian

AU - Kang, Lei

AU - Du, Bo

AU - Zhao, Hong Jie

AU - Xie, Qin

AU - Li, Bo

AU - Zhou, Ji

AU - Li, Long Tu

AU - Meng, Yong Gang

N1 - Funding Information: Received April 1, 2008; accepted August 8, 2008 doi: 10.1007/s11434-008-0475-2 †Corresponding author (email: zhouji@mail.tsinghua.edu.cn) Supported by the National Natural Science Foundation of China (Grant Nos. 50425204, 50632030, 60608016, 10774087) and the State Key Laboratory of Tribology (Grant No. SKLT 08B12)

PY - 2008/11

Y1 - 2008/11

N2 - Isotropic negative permeability composite, composed of BST-MgO dielectric cubes with high permittivity dispersed in the Teflon substrate with low permittivity, was designed and fabricated based on Mie resonance and the effective medium theory. Measurements and simulations showed that the dielectric composite exhibited a strong sub-wavelength magnetic resonance at the first Mie resonance and possessed isotropic negative permeability, which resulted from the displacement current excited in the cubes. The dielectric particle was equivalent to a magnetic dipole at the magnetic resonance, which could be adjusted by the size and permittivity of the particles. It may provide a convenient method to design isotropic metamaterials and invisible cloak at infrared and visible frequencies.

AB - Isotropic negative permeability composite, composed of BST-MgO dielectric cubes with high permittivity dispersed in the Teflon substrate with low permittivity, was designed and fabricated based on Mie resonance and the effective medium theory. Measurements and simulations showed that the dielectric composite exhibited a strong sub-wavelength magnetic resonance at the first Mie resonance and possessed isotropic negative permeability, which resulted from the displacement current excited in the cubes. The dielectric particle was equivalent to a magnetic dipole at the magnetic resonance, which could be adjusted by the size and permittivity of the particles. It may provide a convenient method to design isotropic metamaterials and invisible cloak at infrared and visible frequencies.

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