Birefringent cadmium-telluride-based metamaterial

M. L. Markham; J. J. Baumberg; D. C. Smith; X. Li; T. Gabriel; G. S. Attard; I. Nandhakumar

doi:10.1063/1.1844035

Birefringent cadmium-telluride-based metamaterial

M. L. Markham, J. J. Baumberg, D. C. Smith, X. Li, T. Gabriel, G. S. Attard, I. Nandhakumar

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20 Scopus citations

Abstract

A CdTe-based optical metamaterial, with large induced optical birefringence (4%), has been produced and its optical properties fully characterized and modeled over the spectral range 1500- 450 nm. This metamaterial, which is related to mesoporous silica, is made using electrochemical deposition in the presence of a lyotropic liquid crystal template. This process produces a stoichiometric CdTe film containing a hexagonal array of ∼4.2 nm cylindrical pores with interpore separation ∼6.5 nm. A model of the dielectric properties of the films indicates that their birefringence can be entirely attributed to the film's nanoporosity.

Original language	English
Article number	011912
Pages (from-to)	011912-1-011912-3
Journal	Applied Physics Letters
Volume	86
Issue number	1
DOIs	https://doi.org/10.1063/1.1844035
State	Published - Jan 2005
Externally published	Yes

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title = "Birefringent cadmium-telluride-based metamaterial",

abstract = "A CdTe-based optical metamaterial, with large induced optical birefringence (4%), has been produced and its optical properties fully characterized and modeled over the spectral range 1500- 450 nm. This metamaterial, which is related to mesoporous silica, is made using electrochemical deposition in the presence of a lyotropic liquid crystal template. This process produces a stoichiometric CdTe film containing a hexagonal array of ∼4.2 nm cylindrical pores with interpore separation ∼6.5 nm. A model of the dielectric properties of the films indicates that their birefringence can be entirely attributed to the film's nanoporosity.",

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AU - Baumberg, J. J.

AU - Smith, D. C.

AU - Li, X.

AU - Gabriel, T.

AU - Attard, G. S.

AU - Nandhakumar, I.

N1 - Funding Information: This research was supported by EPSRC GR∕S02662, GR∕R54194, GR∕S49162, and Merck Ltd. D.C.S. would like to thank EPSRC for an Advanced Fellowship GR∕A11595.

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Birefringent cadmium-telluride-based metamaterial

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