Electromagnetic properties of carbon foams

Abstract

Electromagnetic (EM) properties of reticulated carbon foams depend on the carbon skeleton conductivity as well as on its geometrical parameters, i.e., cell and window (through which cells are connected with each other) size. Resonance phenomena were observed for optical density of reticulated carbon foams in the terahertz (THz) frequency range, where the wavelength is of the same order of magnitude as foam's cell size. The modeling using finite elements method proves the possibility of the periodic EM energy concentration for certain foam geometry and at given frequency. This effect can be used for designing THz passive component, i.e. concentrator. The possibility to tune the EM parameters of reticulated conductive foams with mechanical deformations and/or frequency shifting has been also discussed.

Original language	English
Title of host publication	2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-3
Number of pages	3
Volume	2017-November
ISBN (Electronic)	9781538631690
DOIs	https://doi.org/10.1109/COMCAS.2017.8244851
Publication status	Published - 2 Jan 2018
Externally published	Yes
Event	2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017 - Tel-Aviv, Israel Duration: 13 Nov 2017 → 15 Nov 2017

Conference

Conference	2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017
Country	Israel
City	Tel-Aviv
Period	13.11.17 → 15.11.17

Keywords

Carbon
Electromagnetic properties
Foam
Resonance behavior
Terahertz

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering
Radiation

Access to Document

10.1109/COMCAS.2017.8244851

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Letellier, M., Macutkevic, J., Paddubskaya, A., Bychanok, D., Kuzhir, P., Banys, J., Fierro, V., & Celzard, A. (2018). Electromagnetic properties of carbon foams. In 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017 (Vol. 2017-November, pp. 1-3). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/COMCAS.2017.8244851

Electromagnetic properties of carbon foams. / Letellier, M.; Macutkevic, J.; Paddubskaya, A.; Bychanok, D.; Kuzhir, P.; Banys, J.; Fierro, V.; Celzard, A.

2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017. Vol. 2017-November Institute of Electrical and Electronics Engineers Inc., 2018. p. 1-3.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Letellier, M, Macutkevic, J, Paddubskaya, A, Bychanok, D, Kuzhir, P, Banys, J, Fierro, V & Celzard, A 2018, Electromagnetic properties of carbon foams. in 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017. vol. 2017-November, Institute of Electrical and Electronics Engineers Inc., pp. 1-3, 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems, COMCAS 2017, Tel-Aviv, Israel, 13.11.17. https://doi.org/10.1109/COMCAS.2017.8244851

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abstract = "Electromagnetic (EM) properties of reticulated carbon foams depend on the carbon skeleton conductivity as well as on its geometrical parameters, i.e., cell and window (through which cells are connected with each other) size. Resonance phenomena were observed for optical density of reticulated carbon foams in the terahertz (THz) frequency range, where the wavelength is of the same order of magnitude as foam's cell size. The modeling using finite elements method proves the possibility of the periodic EM energy concentration for certain foam geometry and at given frequency. This effect can be used for designing THz passive component, i.e. concentrator. The possibility to tune the EM parameters of reticulated conductive foams with mechanical deformations and/or frequency shifting has been also discussed.",

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AU - Letellier, M.

AU - Macutkevic, J.

AU - Paddubskaya, A.

AU - Bychanok, D.

AU - Kuzhir, P.

AU - Banys, J.

AU - Fierro, V.

AU - Celzard, A.

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N2 - Electromagnetic (EM) properties of reticulated carbon foams depend on the carbon skeleton conductivity as well as on its geometrical parameters, i.e., cell and window (through which cells are connected with each other) size. Resonance phenomena were observed for optical density of reticulated carbon foams in the terahertz (THz) frequency range, where the wavelength is of the same order of magnitude as foam's cell size. The modeling using finite elements method proves the possibility of the periodic EM energy concentration for certain foam geometry and at given frequency. This effect can be used for designing THz passive component, i.e. concentrator. The possibility to tune the EM parameters of reticulated conductive foams with mechanical deformations and/or frequency shifting has been also discussed.

AB - Electromagnetic (EM) properties of reticulated carbon foams depend on the carbon skeleton conductivity as well as on its geometrical parameters, i.e., cell and window (through which cells are connected with each other) size. Resonance phenomena were observed for optical density of reticulated carbon foams in the terahertz (THz) frequency range, where the wavelength is of the same order of magnitude as foam's cell size. The modeling using finite elements method proves the possibility of the periodic EM energy concentration for certain foam geometry and at given frequency. This effect can be used for designing THz passive component, i.e. concentrator. The possibility to tune the EM parameters of reticulated conductive foams with mechanical deformations and/or frequency shifting has been also discussed.

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KW - Electromagnetic properties

KW - Foam

KW - Resonance behavior

KW - Terahertz

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