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Tunable THz metamaterials based on an array of paraelectricSrTiO.sub.3./sub. rods
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SYSNO ASEP 0364241 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Tunable THz metamaterials based on an array of paraelectricSrTiO3 rods Author(s) Yahiaoui, R. (FR)
Němec, Hynek (FZU-D) RID, ORCID, SAI
Kužel, Petr (FZU-D) RID, ORCID, SAI
Kadlec, Filip (FZU-D) RID, ORCID, SAI
Kadlec, Christelle (FZU-D) RID, ORCID
Mounaix, P. (FR)Source Title Applied Physics A - Materials Science & Processing. - : Springer - ISSN 0947-8396
Roč. 103, č. 3 (2011), s. 689-692Number of pages 4 s. Language eng - English Country DE - Germany Keywords time-domain terahertz spectroscopy ; metamaterials ; SrTiO3 Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects IAA100100907 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) LC512 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000291161700036 DOI 10.1007/s00339-011-6335-y Annotation 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. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
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