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 49 for “"Semi conductor"”.
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Mathematical Modelling of Semi Conductor Devices and Processes
Mathematical models of semiconductor devices are developed using the nearly isotropic approximation to the Boltzmann transport equation. The formalism treats the steady state inhomogeneous cases and an electric field is included in the analysis. As well as developing the equations to describe the …
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Smart, biocompatible semi-conductor nanocrystal constructs designed for in-vitro imaging applications
Quantum dots (QDs) have unique optical properties that complement fluorescent proteins and organic fluorophores. Despite the widespread use as a fluorescent label in biological imaging studies, the types of biological questions answered by utilizing QDs have been limited due to crucial …
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Semi-conductor Core Optical Fibers and Fabrication Dependence of the Grain Structure
The production and fabrication of semi-conductor core optical fibers was shown to be feasible and controllable. This was accomplished through the step sequence of fabrication and characterization of 4 fiber types, an experiment on controlling the grain length in the core and a simple model of the …
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Development of fluorescent semi-conductor nanocrystal conjugates for in vitro and in vivo imaging applications
Semiconductor nanocrystals, also known as quantum dots (QDs), are promising imaging probes with characteristic optical properties: tunable bandgap from visible to infrared, narrow and symmetric emission features, broad absorption, high quantum yield (QY), excellent photostability, and a large …
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Some electrical properties of semi-conductor crystals / |nPhyu Phyu Khin. -- 260 St. Catharines, Ont. : [s. n.],
SiC and AtB 12 have been prepared and their resistivities and Hall voltages measured. The resistivities and Hall voltages were measured by the Van der Pauw's method, using spring loaded tungsten contacts. In this method, the major requirement is to have samples of plane parallel surfaces of …
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A detailed study of desalination exergy models and their application to a semi-conductor ultra-pure water plant
… (UPW) is a high energy raw material used in the semiconductor manufacturing industry. However, to date, the production of UPW has received little focus in terms of energy consumption mitigation. Exergy analysis is perhaps the most powerful tool available in the search for industrial energy …
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Design and synthesis of biocompatible fluorescent semi-conductor nanocrystals for in-vivo and in-vitro imaging/sensing applications
Quantum dots (QD) are unique materials in which their optical properties are decoupled from their solution properties via the tunability of surface ligands. The primary focus of this thesis is the design and synthesis of new ligand coatings to render QDs water soluble, pushing the boundaries of QD …
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Crystallographic studies of some tetracyaquidimethane complexes.
… Bis-7,7,8,8-tetracyanoquinodimethanide, is a semi-conductor and belongs to the pseudosoric class of TCNQ complexes, with the cations and the TCNQ moieties forming segregated stacks. The TCNQ molecules are arranged in a diadic fashion with the diads being held together by an array of short …
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TRINIDY: Transport of Ions and Neutrons in Dynamic Materials
… demonstration of particular interest to the semi-conductor industry are presented to exemplify the use of TRINIDY within the realm of applied materials research.
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Nanoparticles and photosensitisers; their interactions and antibacterial properties
… gold nanoparticles. A separate study focusing on semi-conductor quantum dots and the photosensitiser toluidine blue was undertaken to investigate any relationship between nanoparticles and photosensitisers. It was found that semi-conductor quantum dots enhance the effect of toluidine blue in the …
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An analysis of reverse logistics technology and service for hi-tech industry
… software systems are calculated in the case of a semi-conductor company. Research limits are also provided. Conclusions are presented at the end of the thesis.
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Application of three-dimensional circuit integration to global clock distribution
As the semi-conductor industry moves towards deep sub-micron designs, efficiency of chip-wide communication is becoming the limiting factor on system performance. One globally distributed signal with significant effect on system performance is the clock signal. In this paper utilization of …
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Coarse grained molecular dynamic of block copolymer directed self assembly on topographic substrate
… patterns on wafer that is widely used in semi-conductor and electronic fields. In BCP DSA lithography, same as issues in achieving defective free patterns and smooth edges, an evenly distributed width line space pattern is also critical but in lack of research. Comparing with experiment, …
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First principles Monte Carlo simulation of charge transport in semiconductors
… presented for modeling charge transport across a semi-conductor heterointerface. It has the advantage of increase predictive power due to its treatment of the detailed mixing between Bloch and Tamm electronic states in the interface region; this is of critical importance when a transmission or …
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Mechanical and Electrical Characterization of Carbon Fiber/Bucky Paper/Zinc Oxide Hybrid Composites
… (ZnO) and carbon nanotubes (CNTs). Zinc oxide is semi-conductor with good piezoelectric and pyroelectric properties. These properties could be transmitted to CFRPs when a nanophase of ZnO is embedded within CFRPs. In lieu of ZnO nanorods, Bucky paper comprising mat of multiwall-carbon nanotubes …
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Electrical studies on ion-etched n-GaAs(100) surfaces
… amorphous layer and extends deep into the bulk semi-conductor. The density of such traps is very bias sensitive and also temperature dependent. A possible equivalent circuit model for the ion-etched material is proposed. Low temperature isochronal annealing (< 450°C, 10mins.) was not found …
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Indium phosphide based integrated photonic devices for telecommunications and sensing applications
… includes InP and the ternary/quaternary III-V semiconductors that can be grown closely lattice-matched on the InP substrate. The all-optical logic gate is designed as a Mach-Zehnder interferometer with semi- conductor optical amplifiers as active nonlinear elements that are optically coupled to …
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Many-body processes in the photophysics of colloidal semiconductor nanocrystals
… the number of electrons and holes in colloidal semiconductor nanocrystals (NCs). Carrier Multiplication (CM) is the production of additional electron-hole pairs by collision of a highly excited carrier with valence electrons. Efficient CM would improve the performance of solar energy conversion …
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A Study of coherent noise in binary Read-Out Systems and its applications to the ATLAS SemiConductor Tracker end-Cap
… range of possible new physics. <br>The ATLAS Semi-Conductor Tracker (SCT) is positioned in between the other two tracking detectors (PIXEL and TRT). The SCT will provide precision tracking for charged particles using silicon micro-strip detectors. The perfomance of the SCT system mainly …
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