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

  • Articles/Condendsed State Physics
  • Published:
Chinese Science Bulletin

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.

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Authors and Affiliations

  1. State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, 100084, China

    Qian Zhao & YongGang Meng

  2. State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    Lei Kang, Bo Du, HongJie Zhao, Qin Xie, Bo Li, Ji Zhou & LongTu Li

Authors
  1. Qian Zhao
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  2. Lei Kang
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  3. Bo Du
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  4. HongJie Zhao
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  5. Qin Xie
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  6. Bo Li
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  7. Ji Zhou
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  8. LongTu Li
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  9. YongGang Meng
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Corresponding author

Correspondence to Ji Zhou.

Additional information

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)

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Zhao, Q., Kang, L., Du, B. et al. Isotropic negative permeability composite based on Mie resonance of the BST-MgO dielectric medium. Chin. Sci. Bull. 53, 3272–3276 (2008). https://doi.org/10.1007/s11434-008-0475-2

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  • DOI: https://doi.org/10.1007/s11434-008-0475-2

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