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 29 for “"conducting materials"”.
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Ligand design for molecule-based magnetic and/or conducting materials
… in the area of molecule-based magnetic and/or conducting materials is presented in two projects. The first project describes the use of 4,4’-bipyridine as a scaffold for the preparation of a new family of tetracarboxamide ligands. Four new ligands I-III have been prepared and characterized and …
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REPEATED BIPHASIC CONDUCTING CONDUITS FOR PERIPHERAL NERVE REPAIR
… project was to develop and evaluate biphasic conducting materials capable of producing repeated electric field gradients.
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Structural and electrochemical characterization of two proton conducting oxide thin films for a microfabricated solid oxide fuel cell
The use of proton conducting oxide materials as an electrolyte offers the potential to reduce the operating temperature of a solid oxide fuel cell (SOFC), leading to improved thermal management and material compatibility. However, many proton conducting materials have not yet been investigated for …
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Scalable Electrochemical Surface Enhanced Raman Spectroscopy (EC-SERS) for bio-chemical analysis
Conducting vertical nanopillar arrays can serve as three-dimensional nanostructured electrodes with improved performance for electrical recording and electrochemical sensing in bio-electronics applications. However, vertical nanopillar-array electrodes made of inorganic conducting materials by …
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The Electrical Properties And Microstructure Of An Ion Beam Mixed Metal-Polymer System
… the thin Cr layer samples more like Coulomb gap conducting materials; the thick Cr layer samples more in the Hopping conducting regions. A possible model of ion implanted metal/polymer system is shown at the end of this thesis. The varying metal layer thickness results in the different …
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Polysiloxane-based liquid crystal block copolymers for piezoelectric and mechano-optical applications
… been prepared using multilayer composites of conducting polymers and non-conducting materials that may or may not be polymers. Similar functionality could also be accomplished by preparing an amorphous-LC block copolymer with cylindrical morphology. The proposed polymers for this research …
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Nanoporous hosts for the encapsulation of conductive nanostructured materials
… can serve as host matrixes for incorporation of conducting materials at the nanometer scale. By designing nanoporous host structures we are trying to manipulate the growth process and the properties of the embedded conductive nanostructures. The focus is on liquid-crystal templated silica-based …
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First Principles Study Of Tribopolymerization On Conductive Material Surfaces
… model the mechanical switching cycles among many conducting materials such as metal oxides (RuO2) and metal sillisides (PtxSi). We found that the tribopolymerization mechanism lies on to surface catalytic effect enhanced by local confined stress, and a general trend follows for those materials as …
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Electrostatic force balance microscopy
… for electrical characterization of nanoscale materials, we propose a novel microscopy scheme with the purpose of electrostatically imaging biased conductors buried in insulators below doped semiconductors. This Heterodyne-Electrostatic Force Balance Microscope (H-EFBM) uses a capacitive …
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Multiscale Transport and Dynamics in Ion-Dense Organic Electrolytes and Copolymer Micelles
Understanding molecular and ion dynamics in soft materials used for fuel cell, battery, and drug delivery vehicle applications on multiple time and length scales provides critical information for the development of next generation materials. In this dissertation, new insights into transport and …
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Physical and electrical properties of Li1+xTi2-xAlx(PO4)3 and Li1+2xTa1-xAlx+1(PO4)3 electrolytes
Sodium superionic conducting materials (NASICON) are promising solid electrolytes for Li-ion rechargeable batteries. In this study, two compositions; lithium titanium aluminium phosphate (LTAP), Li1+xTi2-xAlx(PO4)3 (x = 0.0, 0.2, 0.6, 1.0) and lithium tantalum aluminium phosphate (LTaAP), …
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Physical and electrical properties of Li1+xTi2-xAlx(PO4)3 and Li1+2xTa1-xAlx+1(PO4)3 electrolytes
Sodium superionic conducting materials (NASICON) are promising solid electrolytes for Li-ion rechargeable batteries. In this study, two compositions; lithium titanium aluminium phosphate (LTAP), Li1+xTi2-xAlx(PO4)3 (x = 0.0, 0.2, 0.6, 1.0) and lithium tantalum aluminium phosphate (LTaAP), …
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NMR studies of conduction mechanisms in electrolyte materials for fuel cells
… However, development is currently restrained by materials limitations, particularly those associated with the electrolyte. A number of liquid electrolytes are currently in use in commercial applications but solid electrolytes are preferable as they are more robust, more efficient and less …
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Multi-Scale Assembly Methodologies of Poly(3-Hexylthiophene) Derivative Systems for Enhanced Optoelectronic Anisotropy
<p>Conjugated polymers represent a class of semi-conducting materials with numerous applications in optoelectronic devices, including organic light-emitting diodes, field-effect transistors, and photovoltaics. Because of the numerous advantages of macromolecular systems, including solution …
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Micro/Nano-Scale Investigation on SN Alloys and SNO2 Nanowires
… to be clarified surrounding these Sn-related materials. As the key element used for solder alloys, the properties of Sn alloys have been of great interest to the electronic packaging community. At the same time, the intriguing phenomenon of spontaneous Sn whisker growth from Sn / Sn-alloy thin …
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Investigations of Structure / Property Interrelationships of Organic Thin Films Using Scanning Probe Microscopy and Nanolithography
… for the electronic properties of the resulting conducting materials.
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Development of a pulsed eddy current instrument and its application to detect deeply buried corrosion
… cracks, corrosion, and other inhomogeneities in conducting materials. However, due to the fact that traditionally eddy currents only use one frequency to excite the coil, limited information about the detected flaw is available. Swept frequency eddy current methods, which sweep the frequency of …
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Transfer printing based microassembly and colloidal quantum dot film integration
… microfabrication is compatible only with materials which survive in a wet condition during photolithography. Delicate nanomaterials such as colloidal quantum dots cannot be processed via monolithic microfabrication. In this context, transfer printing has emerged as a method to transfer …
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Compound Semiconductor Material Manufacture, Process Improvement
… Epitaxy process. The manufactured ranges of semi-conducting materials are relative to discrete or multi-compound use of Gallium Arsenide or Indium Phosphide [III/V]. For MOVPE to compete in large-scale markets, the manufacturing process requires transformation into a reliable, repeatable …
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