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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 81 for “"growth mechanisms"”.
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Surface Structure and Growth Mechanisms of ɑ-Si:H
Submitted by Jesse Garrison (jagarris@illinois.edu) on 2012-01-17T19:16:12Z No. of bitstreams: 1 1999_kilian.pdf: 4054263 bytes, checksum: ed573e79ccecfb198fdd0714771495d3 (MD5)
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Soot surface growth mechanisms in stationary combustion systems
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1997.
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Grain-growth mechanisms in rapidly solidified matrix steels
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 1984
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Surface Structure and Growth Mechanisms of Hydrogenated Amorphous Silicon
Made available in DSpace on 2015-09-25T20:03:31Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9921704.pdf: 3532216 bytes, checksum: d6159bd04f372d8389e2b6d995b4b7fe (MD5) Previous issue date: 1999
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Crack Growth Mechanisms under Anti-Plane Shear in Composite Laminates
… for this dissertation focuses on determining the mechanisms associated with crack growth in polymer matrix composite laminates subjected to anti-plane shear (mode III) loading. For mode III split-beam test methods were proposed, and initial evaluations were conducted. A single test method was …
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Regulation of macrophage activities by tumor growth: mechanisms of immunosuppression
… are all involved in the battle against tumor growth. However, other Mφ activities such as cell growth promotion, angiogenesis, and suppression of anti-tumor lymphocytes aid in tumor growth. This dissertation discusses how tumors control Mφ activities to create favorable environments for tumor …
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Heavy-metal-free colloidal nanocrystal heterostructures – synthetic chemistry and growth mechanisms
… understanding of the synthetic chemistry and the growth mechanisms for heavy-metal-free nanocrystal heterostructures is critical before their commercialization potential becomes reality. Here, we have developed novel synthetic strategies to achieve the anisotropic growth of colloidal nanocrystals …
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Experimental and theoretical investigation of indium phosphide quantum dot growth mechanisms
… experimental and theoretical methods to study growth mechanisms of InP QDs from precursor conversion to final nanocrystal formation. As the key experimental platform, a high temperature and high pressure microfluidic system was first applied to study the effect of group V precursor reactivity …
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Heat and mass transfer effects of ice growth mechanisms in water and aqueous solutions
… food processing, requires insight into the ice growth mechanisms. More so, a novel technology called Eutectic Freeze Crystallization, where water is recovered in the form of ice, requires that ice crystals are of high purity as this directly determines the quality of the water obtained. During …
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Formation And Growth Mechanisms of a High Temperature Interfacial Layer Between Al and TiO2
The product of interaction between Al and TiO2 at elevated temperature has a wide range of applications in refractory, structural and electronics industries (refractory tiles, tank armor, fuel cells, and microelectronic devices). This research attempts to understand the extent of interaction …
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Hot-wire chemical vapour deposition of nanocrystalline silicon and silicon nitride : growth mechanisms and filament stability
… aspect. In this thesis we investigated the film growth mechanisms and the filament stability during the hot-wire chemical vapour deposition (HWCVD) of nc-Si:H and SiNₓ thin films. During the HWCVD of nc-Si:H, electron backscatter diffraction (EBSD) revealed that the tantalum (Ta) filament aged to …
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Growth mechanisms and electronic structure of epitaxial (III-V)(1-x)(IV(2))(x) metastable semiconductors
… developments in ion-surface interaction assisted growth techniques have made it possible to grow alloys ranging throughout the pseudobinary composition diagram. A common characteristic of the (100) oriented (III-V)$\rm \sb{1-x}(IV)\sb{x}$ alloys studied in this work--(GaAs)$\sb{\rm …
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Growth mechanisms of carbon nano-fibers, -tubes, and graphene on metal oxide nano-particles and -wires
… understanding of metal oxide mediated CNS growth, especially metal oxide nanoparticles (MONPs) for CNTs, thereby addressing yield and expanding the range of known catalysts and atmospheric CVD conditions for CNS growth. CNT and CNF growth from zirconia nanoparticles (NPs) are first studied, …
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GROWTH MECHANISMS OF COMPLEX ORGANICS IN THE GAS PHASE AND ON METAL NANOPARTICLES GENERATED BY A LASER VAPORIZATION PROCESS
… technique is used to study the possible mechanisms of formation of polyaromatic hydrocarbons (PAHs) and polyaromatic nitrogen-containing hydrocarbons (PANHs) via the ion-molecule reactions of acetylene neutrals with different aromatic cations, in order to infer the possible mechanisms of …
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The Nucleation and Growth of Nanoparticles for Heterogeneous Catalysis
These studies investigate the nucleation and growth of nanoparticles and how their interaction with a support affects their reactivity as a heterogeneous catalyst. As capabilities in both synthesis methods and characterization methods advance, the use of nanoparticles and sub-nanometer species are …
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Intra and inter-specific variation in the reproductive strategies of two Bolboschoenus species from south-eastern Australia
… medianus. Secondly, to examine the asexual growth mechanisms and responses of Bolboschoenus caldwellii and Bolboschoenus medianus to interesting salinity. Thirdly, to assess the genetic diversity of Bolboschoenus caldwellii and Bolboschoenus medianus stands from three wetlands with …
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Modeling and simulation of creep rupture in high-temperature alloys
… is intergranular cavitation: the nucleation, growth, and coalescence of voids along grain boundaries. It is also well known that intergranular voids grow under the influence of several physical processes, including matter diffusion along the void surface, matter diffusion along the grain …
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Metalorganic chemical vapor deposition, ion beam mixing, and selective epitaxy of III-V semiconductors
… Chemical Vapor Deposition (MOCVD) is a versatile growth technique commonly used to grow III-V compound semiconductor materials. A review of many seminal studies investigating the growth mechanisms of GaAs epitaxial growth is presented. Carbon is an intrinsic impurity in GaAs and AlGaAs grown by …
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Learning in industry, innovation and growth
… investigates issues of learning, innovation and growth by considering arguments from disparate schools of theory, and by an empirical investigation. The development of new growth theory models that demonstrate sustained growth driven by endogenous learning and innovation is reviewed. The …
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Chemical diffusion of oxygen in yttrium barium(2) copper(3) oxygen(6+x)
… also investigates the optimization of crystal growth and the interrelationship between oxygen mobility and ferroelastic characteristics. Oxygen jump mechanisms in YBCO were also proposed and evaluated using an oxygen interaction model. Crystal growth mechanisms in YBCO are highly anisotropic, …
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