Meet the metamaterials

Akhlesh Lakhtakia, Tom G. Mackay

Research output: Contribution to specialist publicationArticle

19 Citations (Scopus)

Abstract

The fabrication of metamaterials with new, multifunctional architectures that will enable applications in sensing, security, transportation and other areas is discussed. These composite materials exploit the interaction of the electric/magnetic field with the strain tensor in two different classes of materials to deliver magnetoelectric coefficients that are much higher than in their natural counterparts. Chiral sculptured thin films are useful as circular-polarization filters because they display the circular Bragg phenomenon arising from the helical shape of their nanowires. Magnetoelectric composite materials develop a magnetization in response to the application of an electric field, and a polarization in response to a magnetic field. Researchers have been predicting the effective constitutive properties of a homogenized composite materials (HCM). The homogeneity of HCM is a consequence of the electromagnetic wavelengths being much larger than the inclusion dimensions.

Original languageEnglish (US)
Pages32-39
Number of pages8
Volume18
No1
Specialist publicationOptics and Photonics News
DOIs
StatePublished - Jan 1 2007

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Metamaterials
composite materials
Composite materials
Magnetic fields
Circular polarization
circular polarization
magnetic fields
Nanowires
homogeneity
Tensors
Magnetization
nanowires
Electric fields
inclusions
tensors
Polarization
electromagnetism
filters
Fabrication
Thin films

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Lakhtakia, Akhlesh ; Mackay, Tom G. / Meet the metamaterials. In: Optics and Photonics News. 2007 ; Vol. 18, No. 1. pp. 32-39.
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Meet the metamaterials. / Lakhtakia, Akhlesh; Mackay, Tom G.

In: Optics and Photonics News, Vol. 18, No. 1, 01.01.2007, p. 32-39.

Research output: Contribution to specialist publicationArticle

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