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 77 for “"Layered materials"”.
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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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Nucleation and growth: models for faceted and layered materials
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Computation of van der Waals effects in layered materials
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Graphene, layered materials and hybrid structures for advanced photodetectors
… In this dissertation I exploit the potential of layered materials to demonstrate a class of photodetectors able to challenge existing technological issues. I first demonstrate a fabrication method for high-mobility, chemical-vapour-deposited graphene devices which could help to increase the …
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Processing and Optical Uses of Van der Waals Layered Materials
… that the in-plane crystal orientation in such materials can be switched through an ultra-fast, displacive (i.e. non-diffusive), non-thermal, and lower-power mechanism by strong electric fields, due to in-plane dielectric anisotropy. We use numerical device modeling to study device concepts …
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Fracture and failure of layered materials under thermo-mechanical loading
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1997.
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Thermally-induced deformation of multi-layered materials : analytical and engineering formulations
… Institute of Technology, Dept. of Materials Science and Engineering, 1996.
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Multi-pulse nonlinear optical spectroscopy and light-matter interactions in layered materials.
… conversion to optical sensing of biological materials. The use of multiple pulses to study these interactions are especially useful in understanding the nonlinear optical properties of materials. Transition metal dichalcogenides such as molybdenum disulfide (MoS2) are attractive materials due …
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Collective excitations in layered materials with momentum-resolved electron energy loss spectroscopy
… exhibit these unusual ground states tend to be layered or quasi-two dimensional, M-EELS presents a promising approach to measuring the energy- and momentum-resolved charge density response. Since the technique is not widely used, however, the M-EELS results obtained as part of this thesis were …
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THE EFFECT OF ALTERNATING DISTRIBUTION OF TRANSITION METALS IN LAYERED MATERIALS ON OXYGEN EVOLUTION CATALYSIS
… this reaction, first-row transition-metal-based materials are good candidates since they are cheap, abundant and possess variable oxidation states. However, most of them give only moderate catalytic activities, compared with noble-metal-based materials. To achieve efficient catalysts while …
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Mechanism for Gamma-Precipitation in Aluminum-Silver Alloys and Self-Assembly of Polyelectrolytes: Modeling of Complex Layered Materials
In fcc Al, stacking fault energy (SFE) is high at ∼150 mJ/m 2, inhibiting stacking fault (SF) formation and dislocation motion. Yet hcp precipitates form rapidly in Al-rich face centered cubic (fcc) Al-Ag, even as the energy difference DeltaEhcp-fcc between hcp and fcc solid solution increases …
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Mechanism for g-Precipitation in AL-AG Alloys and Self-Assembly of Polyelectrolytes: Modeling of Complex Layered Materials
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-12T20:28:53Z No. of bitstreams: 1 Finkenstadt.pdf: 2414865 bytes, checksum: 7d6439cdf3707ede8f9228018e92b59c (MD5)
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Transition metal oxide layered materials as catalyst and precatalyst for green energy applications: Oxygen evolution reaction and Fischer-Tropsch synthesis
… the chemistry of two-dimensional (2D) layered materials, particularly transition metal oxides, birnessite and lithium cobalt oxide as catalytic materials for the conversion of renewable energy into fuels and. In order to accomplish this, we principally studied the energy intensive …
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An Experimental Study Of Atomic Scale Friction And Adhesion For 2d And Layered Materials: The Effects Of Interfacial Contact, Compliance, And Commensurability
… for millennia, trial-and-error approaches to materials selection for sliding systems remain prevalent due to a lack of understanding of the underlying mechanisms of friction. This thesis discusses uses of atomic force microscopy to probe the atomic-scale mechanisms that drive frictional …
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Probing valley and magnetic photoexcitations in 2D crystals and their heterostructures
Layered materials are excellent systems for investigating physics in two dimensions. Understanding the optical response of 2D layered materials and their heterostructures at the atomically thin limit is an important aspect of this field. Photoexcitations, such as excitons, critically impact future …
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Advancing the computational exploration for thermoelectric materials
… the computational search for new thermoelectric materials, high-throughput, semi- empirical models have proven to be one of the more fruitful approaches. The best models take into account both electronic and thermal properties since good thermoelectric materials must maintain a difficult balance …
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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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Surface acoustic wave techniques in laser pump-probe systems and its applications in studying mechanical properties of materials
… can reach GHz level is needed as the scales of materials under study reaches sub-micron and nanometer. In this dissertation, I develop and improve surface acoustic wave (SAW) techniques in optical pump-probe system, and apply them to measure shear elastic constants of thin films and damping of …
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Investigation of Anisotropic Heat Transport Through Frequency Domain Thermoreflectance Technique
Thermophysical properties of thin film materials are of great importance for thermal management in devices including transistors, lasers, sensors, and plasmonic structures. In this thesis, I examine the characterization of heat transport in anisotropic materials through frequency domain …
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