The Resource Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution, Md Khadimul Islam

Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution, Md Khadimul Islam

Label
Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution
Title
Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution
Statement of responsibility
Md Khadimul Islam
Creator
Contributor
Author
Degree supervisor
Subject
Genre
Language
eng
Summary
Carbon nanotube (CNT) composites have been of significant research interest in a wide range of applications. For electromagnetic applications, simplifying assumptions regarding the distribution and shapes of the CNTs are typically made because the exact three-dimensional CNT distribution in the composite is unknown. The goal of this work is to use experimentally characterized 3D CNT maps to study the effect of distribution and shape of the CNTs on the electromagnetic properties of the composite. Recently, electron tomography techniques have advanced to the point that they are capable of generating 3D maps of Multi-Walled Carbon Nanotubes (MWCNTs) distributions with sub-nanometer resolutions. The electromagnetic responses of these maps were calculated using both full-wave electromagnetic solvers and dilute limit effective medium approximations for multiple CNT volume fractions with different conductivities. The results show that the electromagnetic response calculated using these two methods differs significantly especially at higher terahertz frequencies. By also studying the shapes of CNTs, we found several multi-branched shapes denoted Y-shaped, K-shaped, and T-shaped CNTs. These complex-shaped CNT junctions lead to unique properties that depend on the atomic structure of the carbon atoms in the vicinity of the junction, leading in some cases to a nonlinear conductivity. The electromagnetic scattering characteristics of these nonlinear CNT structures need to be quantified to predict their response to incident electromagnetic radiation. Time-domain electromagnetic codes facilitate the analysis of scatterers with non-linear loads. Therefore, we used the Time Domain Integral Equation (TDIE) formulation and Method of Moments (MoM) to calculate the electromagnetic scattering characteristics of these complex-shaped CNTs structures with nonlinear conductivities. The CNT analysis in this work has the potential to lead to a better understanding of the electromagnetic responses of CNT composites, which will facilitate the accurate nondestructive electromagnetic evaluation of the CNT shapes and distributions, which control the overall mechanical, thermal and electrical properties of these composites
Cataloging source
UMK
http://library.link/vocab/creatorDate
1992-
http://library.link/vocab/creatorName
Islam, Md Khadimul
Degree
M.S
Dissertation note
(School of Computing and Engineering).
Dissertation year
2019.
Granting institution
University of Missouri-Kansas City,
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/relatedWorkOrContributorName
Hassan, Ahmed M.
http://library.link/vocab/subjectName
  • Carbon nanotubes
  • Nonlinear systems
  • Electromagnetic measurements
Label
Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution, Md Khadimul Islam
Instantiates
Publication
Copyright
Note
  • "A thesis in Electrical Engineering."
  • Advisor: Ahmed M. Hassan
  • Vita
Antecedent source
not applicable
Bibliography note
Includes bibliographical references (pages 66-74)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
black and white
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Frequency domain quantification of carbon nanotube using realistic shape and distribution -- Time domain analysis of carbon nanotube with nonlinear conductivity -- Conclusion -- Appendix
Control code
1135800603
Dimensions
unknown
Extent
1 online resource (75 pages)
File format
one file format
Form of item
online
Level of compression
mixed
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations.
Quality assurance targets
not applicable
Specific material designation
remote
System control number
(OCoLC)1135800603
System details
  • The full text of the thesis is available as an Adobe Acrobat .pdf file; Adobe Acrobat Reader required to view the file
  • Mode of access: World Wide Web
Label
Frequency and time domain analysis of carbon nanotubes with realistic shape and distribution, Md Khadimul Islam
Publication
Copyright
Note
  • "A thesis in Electrical Engineering."
  • Advisor: Ahmed M. Hassan
  • Vita
Antecedent source
not applicable
Bibliography note
Includes bibliographical references (pages 66-74)
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
black and white
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Frequency domain quantification of carbon nanotube using realistic shape and distribution -- Time domain analysis of carbon nanotube with nonlinear conductivity -- Conclusion -- Appendix
Control code
1135800603
Dimensions
unknown
Extent
1 online resource (75 pages)
File format
one file format
Form of item
online
Level of compression
mixed
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations.
Quality assurance targets
not applicable
Specific material designation
remote
System control number
(OCoLC)1135800603
System details
  • The full text of the thesis is available as an Adobe Acrobat .pdf file; Adobe Acrobat Reader required to view the file
  • Mode of access: World Wide Web

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