Electric-field tuning of a planar terahertz metamaterial based on strained SrTiO3 layers

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F18%3A00489482" target="_blank" >RIV/68378271:_____/18:00489482 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1088/1361-6463/aaa315" target="_blank" >http://dx.doi.org/10.1088/1361-6463/aaa315</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1361-6463/aaa315" target="_blank" >10.1088/1361-6463/aaa315</a>

Result language

angličtina

Original language name

Electric-field tuning of a planar terahertz metamaterial based on strained SrTiO3 layers

Original language description

We demonstrate a metamaterial exhibiting a frequency-tunable response in the terahertz domain, controlled by a bias electric field. The active part of the metamaterial consists of a periodic metallic pattern deposited on a thin epitaxially strained strontium titanate film. The role of the metallic structure is two-fold: it gives rise to the metamaterial resonance and it enables applying an electric bias to the strontium titanate layer. The strained film exhibits a pronounced dependence of its permittivity on the bias, which exerts a strong influence on the resonance. Specifically, the resonance of our structure occurs near 0.5 THz and, upon applying a bias voltage of 55 V, a relative tunability of the resonance frequency of 19% was achieved at room temperature.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project

<a href="/en/project/GA14-25639S" target="_blank" >GA14-25639S: Tuning of terahertz response of dielectric materials and metamaterial structures</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Physics D-Applied Physics

ISSN

0022-3727

e-ISSN

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Volume of the periodical

51

Issue of the periodical within the volume

5

Country of publishing house

GB - UNITED KINGDOM

Number of pages

5

Pages from-to

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UT code for WoS article

000422719800001

EID of the result in the Scopus database

2-s2.0-85040734684