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 211 for “"Multilayers"”.
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Giant Magnetoresistance in Multilayers
… slabs and the number of periods in conventional multilayers. The conductance, due to both minority and majority spin channels, was calculated in the parallel and anti-parallel configurations. Oscillations of GMR, both with spacer and magnetic layer thicknesses, were observed. We found that they …
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Interlayer exchange coupling in magnetic multilayers
… study of the interlayer coupling in magnetic multilayers using two theoretical approaches. One such approach is to invoke the Ruderman-Kittel-Kasuya-Yosida (RKKY) theory, which is more relevant to the multilayer system in which localized magnetic moments interact weakly with conduction …
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Biological applications of weal polyelectrolyte multilayers
… applications of ultra-thin weak polyelectrolyte multilayers with specific emphasis on cell patterning, drug delivery, and antibacterial coatings. All of these very different applications were studied using three different polymers - polyacrylic acid (PAA), poly(allylamine hydrochloride) (PAH), …
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Magnetization Dynamics in Ultrathin Films and Multilayers
… magnetization dynamics of ultrathin films and multilayers using broadband ferromagnetic resonance (FMR) techniques and micromagnetic simulations. Chapter one includes the theoretical background on magnetization dynamics, the explanation of FMR experiments with schematic diagrams and data …
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Thermal stability of ultrathin magnetic metallic multilayers
Contains fulltext : 33153.pdf (Publisher’s version ) (Open Access)
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Polyelectrolyte multilayers for plasmonics and picosecond ultrasonics
… investigates the application of polyelectrolyte multilayers in plasmonics and picosecond acoustics. The observed samples were fabricated by the spin-assisted layer-by-layer deposition technique that allowed a precise tuning of layer thickness in the range of few nanometers. The first field of …
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The Electronic Compressibility of Rhombohedral Graphene Multilayers
… The low-energy bands of rhombohedral graphene multilayers possess both of these ingredients, making this a promising class of materials in which to search for correlated topological electronic ground states. This thesis describes our electronic compressibility measurements on rhombohedral …
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Deformation Behaviour of NiCo Multilayers with Modulated Microstructures
Metallic multilayers, which possess a material architecture of modulated coarse-grained and nanocrystalline features stacked in a laminate configuration, represent an ideal structure to study the influence of abrupt heterogeneities on deformation behaviour. While the deformation mechanisms of …
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Laser induced magnetization dynamics and switching in multilayers
Contains fulltext : 178596.pdf (Publisher’s version ) (Open Access)
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Processing, microstructure and mechanical behavior of nanocomposite multilayers
… scale effects on the mechanical behavior of multilayers are not well understood. Three multilayer nanocomposite systems, namely Al/Al2O3, Ti/TiN, and Cr/a-C, have been synthesized by using a dual-gun e-beam physical vapor deposition, to investigate the effect of layer thickness, the nature of …
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Solid-state diffusion bonds using ductile, reactive multilayers
Includes bibliographical references (pages 168-174).
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Properties of cobalt/copper and cobalt/palladium multilayers.
… physical properties of Co/Cu and Co/Pd magnetic multilayers have been studied. The Co/Cu multilayers were prepared by sputtering, while the Co/Pd multilayers were made by sputtering and molecular beam epitaxy (MBE). Various x-ray diffraction techniques have been used to study the structure of the …
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Fundamental studies of pH-sensitivity in polyelectrolyte multilayers
… (PAH) from two perspectives of the assembled multilayers - functional group composition and layer growth. In the first part of this thesis, with respect to the composition control of the functional groups, the assembly conditions to create surfaces that were dominated by specific functional …
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Polyelectrolyte multilayers as nanostructured templates for inorganic synthesis
… interaction and organization. Polyelectrolyte multilayers formed by the layer-by-layer electrostatic assembly of oppositely charged polymers are a versatile new form of thin film in which the physical and chemical architecture can be precisely controlled over the nanoscale. This thesis …
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Polyelectrolyte multilayers : nanofabricated architectures for bio-interface materials
… and DNA, has expanded the use of polyelectrolyte multilayers for biosensor and other biomaterials applications. This thesis further explores the rationale of using multilayers as biomaterials, with particularly emphasis on the importance of the underlying molecular architecture. Many of the …
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The Design of Polyelectrolyte Multilayers Using Galactosylated Chitosan
… receptor-ligand interaction. Polyelectrolyte multilayers (PEMs) were prepared by the layer by layer method, which is based on electrostatic attractions between oppositely charged polyelectrolytes (PEs). Anionic (hyaluronic acid) and cationic (chitosan and galactosylated chitosan) PEs were used …
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Functional patterning of dielectric multilayers supporting Bloch Surfaces Waves
L'abstract è presente nell'allegato / the abstract is in the attachment
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Magnetic Skyrmions in Multilayers with Interfacial Dzyaloshinskii-Moriya Interactions
… devices for data storage. Magnetic skyrmions in multilayers with interfacial Dzyaloshinskii-Moriya interaction (DMI) were investigated in three aspects: stabilization, current-driven motion and antiferromagnetically coupled skyrmion pairs. The formation and stabilization of magnetic skyrmions …
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Thermal transport in two-dimensional materials and magnetic multilayers
Understanding thermal transport properties of materials is essential for both device applications and materials physics. Thermal conductivity and interface thermal conductance are important engineering parameters for small-scale device applications. In addition, microscopic quantities of how …
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