How effectively do carbon nanotube inclusions contribute to the electromagnetic performance of a composite material? Estimation criteria from microwave and terahertz measurements

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How effectively do carbon nanotube inclusions contribute to the electromagnetic performance of a composite material? Estimation criteria from microwave and terahertz measurements. / Shuba, M. V.; Yuko, D. I.; Kuzhir, P. P. и др.

в: Carbon, Том 129, 01.04.2018, стр. 688-694.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{314da39f07044962ab24ae42caa4ce5a,

title = "How effectively do carbon nanotube inclusions contribute to the electromagnetic performance of a composite material? Estimation criteria from microwave and terahertz measurements",

abstract = "Screening effect in finite-length carbon nanotubes (CNT) and their agglomerates hinders significantly the electromagnetic interaction in composite materials. Screening effect is strong in the microwave range, and it decreases with increasing frequency resulting in a strong frequency dependence of the effective conductivity of the composite. Since screening effect is rather small in the terahertz range, the effective conductivity in this range is determined directly by the intrinsic conductivity of the inclusions. The ratio of the microwave to terahertz effective conductivities was proposed as a parameter to estimate how effectively carbon nanotube inclusions contribute to the electromagnetic performance of composite materials in the microwave range. CNT film was considered as a material where maximal possible interaction of the CNTs with EM field occurs. Single-walled CNT films and CNT-based composite materials, as well as hybrid film comprising mixtures of WS2 nanotubes and CNTs were fabricated and measured in the microwave and terahertz ranges. The electromagnetic field interaction with the inclusions has been estimated for all the samples fabricated.",

keywords = "ELECTRICAL-PROPERTIES, DISPERSION, NANOCOMPOSITES, CONDUCTIVITY, FILMS, MECHANISM, DYNAMICS, GRAPHENE",

author = "Shuba, {M. V.} and Yuko, {D. I.} and Kuzhir, {P. P.} and Maksimenko, {S. A.} and Kanygin, {M. A.} and Okotrub, {A. V.} and R. Tenne and Ph Lambin",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

year = "2018",

month = apr,

day = "1",

doi = "10.1016/j.carbon.2017.12.067",

language = "English",

volume = "129",

pages = "688--694",

journal = "Carbon",

issn = "0008-6223",

publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - How effectively do carbon nanotube inclusions contribute to the electromagnetic performance of a composite material? Estimation criteria from microwave and terahertz measurements

AU - Shuba, M. V.

AU - Yuko, D. I.

AU - Kuzhir, P. P.

AU - Maksimenko, S. A.

AU - Kanygin, M. A.

AU - Okotrub, A. V.

AU - Tenne, R.

AU - Lambin, Ph

PY - 2018/4/1

Y1 - 2018/4/1

N2 - Screening effect in finite-length carbon nanotubes (CNT) and their agglomerates hinders significantly the electromagnetic interaction in composite materials. Screening effect is strong in the microwave range, and it decreases with increasing frequency resulting in a strong frequency dependence of the effective conductivity of the composite. Since screening effect is rather small in the terahertz range, the effective conductivity in this range is determined directly by the intrinsic conductivity of the inclusions. The ratio of the microwave to terahertz effective conductivities was proposed as a parameter to estimate how effectively carbon nanotube inclusions contribute to the electromagnetic performance of composite materials in the microwave range. CNT film was considered as a material where maximal possible interaction of the CNTs with EM field occurs. Single-walled CNT films and CNT-based composite materials, as well as hybrid film comprising mixtures of WS2 nanotubes and CNTs were fabricated and measured in the microwave and terahertz ranges. The electromagnetic field interaction with the inclusions has been estimated for all the samples fabricated.

AB - Screening effect in finite-length carbon nanotubes (CNT) and their agglomerates hinders significantly the electromagnetic interaction in composite materials. Screening effect is strong in the microwave range, and it decreases with increasing frequency resulting in a strong frequency dependence of the effective conductivity of the composite. Since screening effect is rather small in the terahertz range, the effective conductivity in this range is determined directly by the intrinsic conductivity of the inclusions. The ratio of the microwave to terahertz effective conductivities was proposed as a parameter to estimate how effectively carbon nanotube inclusions contribute to the electromagnetic performance of composite materials in the microwave range. CNT film was considered as a material where maximal possible interaction of the CNTs with EM field occurs. Single-walled CNT films and CNT-based composite materials, as well as hybrid film comprising mixtures of WS2 nanotubes and CNTs were fabricated and measured in the microwave and terahertz ranges. The electromagnetic field interaction with the inclusions has been estimated for all the samples fabricated.

KW - ELECTRICAL-PROPERTIES

KW - DISPERSION

KW - NANOCOMPOSITES

KW - CONDUCTIVITY

KW - FILMS

KW - MECHANISM

KW - DYNAMICS

KW - GRAPHENE

UR - http://www.scopus.com/inward/record.url?scp=85039717438&partnerID=8YFLogxK

U2 - 10.1016/j.carbon.2017.12.067

DO - 10.1016/j.carbon.2017.12.067

M3 - Article

AN - SCOPUS:85039717438

VL - 129

SP - 688

EP - 694

JO - Carbon

JF - Carbon

SN - 0008-6223

ER -

ID: 9154658