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Description:: The on-going demand for miniaturized optical and on-chip photonic systems of the future has led to a few potential solutions in the literature. Recent advances in van der Waals and 2-dimensional materials signal a bright future for the next generation, compact electronic and photonic devices. With reduced dimensionality and material...
Keyword:: Polarization, Phonons, van der Waals, Plasmons, Wave plate, and 2D materials
Subject:: Optics, Materials Science, and Electromagnetics
Creator:: Abedini Dereshgi, Sina
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 05/31/2023
Date Created:: 2023-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16396 and etdadmin_upload_958293

Description:: Nanomaterials present an exciting landscape of innovation at length scales below 100 nm, wherein controllable synthesis and materials metrology have led to tunable structure-property relationships and next-generation products. The disruptive field of nanotechnology is poised to capitalize upon the exotic chemistry and physics of these nanomaterials to enable more efficient...
Keyword:: graphene, scalable manufacturing, nanomaterials, nanomanufacturing, 2D materials, and electronic materials
Subject:: Nanotechnology, Materials Science, and Engineering
Creator:: Downing, Julia Rocio
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 05/31/2023
Date Created:: 2023-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16548 and etdadmin_upload_985168

Description:: This thesis explores the potential of two-dimensional (2D) or van der Waals (vdW) materials for printed optoelectronic devices. The research focuses on the development of processing, imaging, and modeling of materials and thin-film devices to optimize performance and introduce novel properties. A gate-dependent resistor network model is presented that establishes...
Keyword:: scanning probe microscopy, transition metal dichalcogenides, thin-film transistors, finite element simulation, printed electronics, and 2D materials
Subject:: Materials Science
Creator:: Zhu, Zhehao
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 05/31/2023
Date Created:: 2023-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16504 and etdadmin_upload_982806

Description:: The on-going demand for miniaturized optical and on-chip photonic systems of the future has led to a few potential solutions in the literature. Recent advances in van der Waals and 2-dimensional materials signal a bright future for the next generation, compact electronic and photonic devices. With reduced dimensionality and material...
Keyword:: Polarization, Phonons, van der Waals, Plasmons, Wave plate, and 2D materials
Subject:: Optics, Materials Science, and Electromagnetics
Creator:: Abedini Dereshgi, Sina
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 03/24/2023
Date Created:: 2023-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16396 and etdadmin_upload_958293

Description:: The crystal structure of chalcogenides can vary from simple, ubiquitous structures of rock salt and zinc blende to unique structure types from the intricate packing of complex anionic building blocks. Exploratory synthesis and structural studies of novel chalcogenides containing these complex anions will augment the understanding of bonding in chalcogenides....
Keyword:: neutron detectors, synthesis science, chalcoborates, chalcophosphates, framework materials, and 2D materials
Subject:: Materials Science
Creator:: Chica, Daniel George
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 06/28/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15563 and etdadmin_upload_818510

Description:: Two-dimensional materials’ “all-surface” architecture presents a new paradigm for investigations into electron confinement effects and surface phenomena. However, synthesizing, characterizing, and ultimately engineering the properties of 2D materials represents a formidable challenge. This thesis presents several cases of isolating novel 2D materials via vapor-based syntheses. Vapor-based syntheses allow for reproducible...
Keyword:: nanoscience, chalcogenides, oxides, and 2D materials
Subject:: Materials Science and Engineering
Creator:: Eve Dorthea Townsend Hanson
Owner:: Scholarly Digital Publishing
Date Uploaded:: 02/18/2019
Date Modified:: 02/18/2019
Date Created:: 2018-01-01
Resource Type:: Dissertation

Description:: Atom probe tomography (APT) was used to analyze doping and alloying in low-dimensional electronic materials including thin film heterostructures, van der Waals materials, and colloidal quantum dots (QDs). Firstly, APT was used to reveal structure-property relationship for low-dimensional thin film semiconductors used in electronic and opto-electronic devices. APT was shown...
Keyword:: low-dimensional electronic materials, InGaN/GaN QWs, doping and alloying, atom probe tomography, and 2D materials
Subject:: Materials Science and Engineering
Creator:: Xiaochen Ren
Owner:: Scholarly Digital Publishing
Date Uploaded:: 10/12/2018
Date Modified:: 10/12/2018
Date Created:: 2017-01-01
Resource Type:: Dissertation

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