Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 88 for “"atomically thin"”.
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Atomically thin microwave biosensors
… type of biosensor based on the integration of atomically thin graphene in a broadband radio-frequency (RF) coplanar waveguide (CPW). To combine both electrochemical and dielectric sensing concepts, a graphene channel is inserted into the CPW, which can then be functionalised using standard …
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Radiation damage assessment of atomically thin membranes
… and results of gas transport across atomically thin membranes, which are relevant to reducing Tritium inventory in fusion reactors by separating Helium from the plasma exhaust stream. A novel experimental apparatus and set-up is devised to measure the gas transport rate across a …
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Electronic transport in atomically thin layered materials
Electronic transport in atomically thin layered materials has been a burgeoning field of study since the discovery of isolated single layer graphene in 2004. Graphene, a semi-metal, has a unique gapless Dirac-like band structure at low electronic energies, giving rise to novel physical phenomena …
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Optics and Optoelectronics of Atomically Thin Magnets and Semiconductors
… active subjects of study. The array of available atomically thin materials has expanded rapidly beyond graphene, encompassing a wide variety of physical properties ranging from insulators like hexagonal boron-nitride, to semiconductors such as MoS2 and superconductors (ie NbSe2) to name a few. …
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Reconfigurable strain engineering of atomically-thin van der Waals materials
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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Transport of n-alkanes through graphene nanoporous atomically thin membrane
… molecular transport through a nanoporous atomically thin graphene membrane is important in determining potential for graphene's application as a filter. Amongst many factors that affect the transport, the effect of size of molecules is analyzed in this paper. Diffusion of n-alkanes between …
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High-pressure studies of atomically-thin van der Waals materials
… To glean insight into the physics of these atomically-thin van der Waals materials, their properties have been extensively studied by tuning of external parameters such as temperature, electrostatic doping, magnetic field and strain. However, there is an external tuning parameter that has …
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Nano-engineering of Atomically Thin Novel 2D Materials and Their Heterostructures
Two dimensional layered material has attracted profound interest from material science and nanotechnology community, due to its marvelous optical, electrical and magnetic properties. In addition to Transition metal dichalcogenides (TMDs), several new ferroelectric, ferromagnetic (FM), …
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Nano-engineering of Atomically Thin Novel 2D Materials and Their Heterostructures
Two dimensional layered material has attracted profound interest from material science and nanotechnology community, due to its marvelous optical, electrical and magnetic properties. In addition to Transition metal dichalcogenides (TMDs), several new ferroelectric, ferromagnetic (FM), …
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Integrated Growth and Process Technology for Atomically Thin Single Crystal Films
Graphene has been found to have a wide range of potential applications owing to its unique physical properties. Whilst pioneering lab-scale experiments have demonstrated and leveraged these interesting properties, there is still a significant gap in performance between the one-off exfoliated hero …
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Atomically thin solid-state nanopore field-effect transistors for single-molecule sensing
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2023-12-01
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Surface instabilities and interfacial phenomena for nanomanufacturing at the atomically-thin limit
… superlative mechanical strength. Due to their atomically-thin nature, weak basal plane van der Waals interactions, and vanishing bending stiffness, 2D materials are extremely flexible and thus susceptible to mechanical instabilities that result in deformed out-of-plane morphologies. Such unique …
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Investigations of hexagonal boron nitride: bulk crystals and atomically-thin two dimensional layers
… detectors, and substrates for graphene and other atomically-thin two-dimensional materials. All of these potential applications benefit from high quality, single crystals, with thicknesses varying from nanometers to microns. This research was undertaken to investigate four aspects of hBN crystal …
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Atomically thin molybdenum disulfide prepared via chemical vapor deposition and mechanical exfoliation: aging studies and reliability testing
… devices. This study reports on the synthesis of atomically thin two-dimensional MoS₂ using both chemical vapor deposition (CVD) and mechanical exfoliation methods, the aging studies, and the electrical performance of the synthesized MoS₂ flakes and MoS₂ devices, respectively. The study is divided …
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SYNTHESIS, ELECTRONIC AND OPTO-ELECTRONIC TRANSPORT PROPERTIES OF ATOMICALLY THIN 2D LAYERS OF MoS2, WSe2 and CuIn7Se11
… measured in the range of 10mHz < ω < 0.1 MHz) of atomically thin 2D layers of chemical vapor deposited (CVD) Molybdenum Disulphide (MoS2) as well as thin films of exfoliated flakes of MoS2, show "universal" power law behavior (with σ(ω) ~ ωs). The temperature dependence of 's' indicate that the …
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Tunneling and ferroelectric based transistors for energy efficient electronics
… of two different emerging materials system (the atomically thin two-dimensional materials and ferroelectric oxides) in energy efficient electronic devices for future Systems-on-a-Chip (SoC's) applications. As the channel length of transistors has shrunk over the years, short-channel effects have …
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OPTICAL PROPERTIES OF 2D TRANSITION METAL DICHALCOGENIDES ENHANCED BY PLASMONIC NANOSTRUCTURES
… have impressive properties arising from the atomically-thin nature and have been demonstrated to be potentially useful building blocks for optoelectronic integrated circuits. An important research focus on TMDCs is their applications in ultrathin emitters or photodetectors. However, being …
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Probing valley and magnetic photoexcitations in 2D crystals and their heterostructures
… materials and their heterostructures at the atomically thin limit is an important aspect of this field. Photoexcitations, such as excitons, critically impact future optoelectronic technologies, such as next-generation solar cells, light-emitting diodes, lasers, and single-photon sources. …
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Introducing spin-orbit interaction in graphene
The excellent electron properties of graphene, an atomically-thin material with record-high carrier mobility and gate tunability, make it central to modern nanoscience. However, the spin-orbit interaction (SOI) naturally present in graphene is extremely weak and has yet to be observed …
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Device Physics of Two-Dimensional Crystalline Materials
… in a variety of other 2D crystals, such as atomically thin transition metal dichalcogenides (TMDs), has recently exploded, revising the physics of 2D electrons in the ultimate confinement limit. At the same time, constructing heterostructures based on 2D crystals, either by placing the …
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