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 10 of 10 for “"field emission devices"”.
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Radiation modelling of vacuum field emission devices
… techniques have enabled modern vacuum field emission devices (VacFEDs) and have been demonstrated in the laboratory for use as diodes and transistors. Modern VacFEDs operate through cold emission of electrons across a vacuum gap. It has been proposed that these devices are "radiation …
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Numerical analysis and design strategy for field emission devices
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Design, Fabrication, and Characterization of Carbon Nanotube Field Emission Devices for Advanced Applications
… emerged as promising candidates for electron field emission (FE) cathodes in integrated FE devices. These nanostructured carbon materials possess exceptional properties and their synthesis can be thoroughly controlled. Their integration into advanced electronic devices, including not only FE …
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Vertically integrated transistors for field emission applications
Field emission devices have demonstrated several research and commercial applications in the areas of flat panel displays, microwave power devices, imaging sensors and electron sources. Recent work has shown the feasibility of using integrated MOSFETs to control and enhance field emission stability …
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Double-gated field emission arrays
… fabricates and characterizes double-gated field emission devices with high aspect ratio. One of the gates extracts the electrons while the second gate focuses the electrons into small spots. High aspect ratio silicon field emitters were defined by reactive ion etching of silicon followed by …
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Rational control of hydrothermal nanowire synthesis and its applications
… on the development of novel energy conversion devices, high density electronics, and optical devices. However, detailed growth mechanism is still in early stage of its development. This thesis presents the fundamental understanding of controlled zinc oxide nanowire synthesis in a hydrothermal …
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Characterization of carbon nanotubes grown by chemical vapour deposition
… for use in electronics, medical applications, field emission devices (displays,scanning and electronprobes/microscopes) and reinforced composites. CNTs can be grown by different methods from a number of carbon sources such as graphite, CO,C2H4, CH4 and camphor. Under certain conditions, a …
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Empirical Nanotube Model: Applications to Water Channels and Nano-Oscillators
… high-strength materials, logic circuit units, field emission devices, and hydrogen storage media. In particular, nanobiotechnology, a synergy of nanotechnology and biology, aims at characterizing, building, and utilizing nano-devices to benefit human health as well as employ life forms for …
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Nanofabrication using focused ion beam
… FIB cuts and fabrication and testing of lateral field emission devices. Research work was performed using a number of materials including Al, Cr, SiO2, Si3N4 and their heterostructures. Measurements performed included in-situ resistometric measurements, which provided milled depth information by …
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Fabrication and analysis of carbon nanotube based emitters
… nano-fabrication of carbon nanotube (CNT) based field emission devices, and have conducted experimental and theoretical investigations to better understand the reasons for the high reduced brightness achieved. We have demonstrated that once the CNT emitter failure modes are better understood and …