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Tunable THz metamaterials based on an array of paraelectric SrTiO3 rods

Abstract : This work presents theoretical and experimental investigations of a tunable metamaterial which exhibits negative permeability in the THz frequency range. The tunability is obtained by temperature changes, and the sample consists of an array of high-permittivity SrTiO3 (STO) rods micromachined by a femtosecond laser. Structures exhibiting a negative permeability on multiple frequency bands are also investigated and a proper choice of the dimensions of the pattern allows us to achieve a substantial broadening of the frequency band with negative μ.
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https://hal.archives-ouvertes.fr/hal-00608851
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Submitted on : Friday, July 15, 2011 - 12:02:46 PM
Last modification on : Thursday, January 11, 2018 - 6:23:22 AM

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Riad Yahiaoui, H. Nemec, P. Kuzel, F. Kadlec, C. Kadlec, et al.. Tunable THz metamaterials based on an array of paraelectric SrTiO3 rods. Applied physics. A, Materials science & processing, Springer Verlag, 2011, 103 (3), pp.689-692. ⟨10.1007/s00339-011-6335-y⟩. ⟨hal-00608851⟩

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