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Ultra-broadband THz absorbers based on 3D graphene

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00576637" target="_blank" >RIV/68378271:_____/23:00576637 - isvavai.cz</a>

  • Result on the web

    <a href="https://hdl.handle.net/11104/0346412" target="_blank" >https://hdl.handle.net/11104/0346412</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/1361-6463/acfb1c" target="_blank" >10.1088/1361-6463/acfb1c</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Ultra-broadband THz absorbers based on 3D graphene

  • Original language description

    We use terahertz and multi-terahertz spectroscopy to investigate optical properties of three-dimensional (3D) graphene across a wide frequency range of 0.15–10 THz. We explore the electromagnetic shielding, stealth, and absorber capabilities of 3D graphene samples annealed at various temperatures up to 1300°C. We show that the tradeoff between the transmitted, absorbed and reflected power of the materials can be controlled by the annealing temperature through a fine broadband tuning of the refractive and absorptive indices of the material. Depending on the annealing conditions, this ultralight system is capable of acting as a stealth element, THz absorber or a shielding coating within an ultrabroadband range of 0.2–7 THz. All these properties can be combined by stacking these materials on top of each other.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

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

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Physics D-Applied Physics

  • ISSN

    0022-3727

  • e-ISSN

    1361-6463

  • Volume of the periodical

    56

  • Issue of the periodical within the volume

    50

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    505103

  • UT code for WoS article

    001074455100001

  • EID of the result in the Scopus database

    2-s2.0-85174807641