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.
Results
Showing 1 to 15 of 15 for “"Field emitter arrays"”.
-
Development of optical field emitter arrays
Optical field emitters are electron emission sources actuated by incident light. Optically actuated field emitters may produce ultrafast pulses of electrons when excited by ultrafast optical pulses, thus making them of interest for specific applications such as ultrafast electron microscopy, …
-
Stability of Field Emitter Arrays to Oxygen Exposures
… the degradation mechanisms of molybdenum based field emitter arrays to oxygen exposures and to improve the overall reliability. In addition, we also evaluated the emission current stability of gold-coated field emitter arrays to oxygen exposures. oxygen at 1x10-6 torr was introduced into the …
-
Low voltage field emitter arrays through aperture scaling
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
-
Physics-Based Compact Model Development of Field Emitter Arrays
Field Emitter Arrays (FEAs) - based cold cathodes have shown promise as electron sources in devices capable of high power and high frequency operation for a variety of applications such as microwave power amplifiers, pressure sensors, x-ray sources and high-power excimer lasers. Limited work has …
-
Highly scaled silicon field emitter arrays with integrated silicon nanowire current limiters
Field emitter arrays (FEAs) are a promising class of cold electron sources with applications in RF amplifiers, terahertz sources, lithography, imaging, and displays. FEAs are yet to achieve widely implemented because of serious challenges which have limited their viability in systems that require …
-
Highly uniform silicon field emitter arrays fabricated using a trilevel resist process
Silicon field emitter arrays (FEAs) are a potential candidate for electron sources in a variety of applications. However, one of the major problems that has prevented their widespread use is emitter tip burnout due to Joule heating. The current solution to this problem is to limit the current by …
-
Vacuum Transistors Based on III-Nitrides Field Emitter Arrays with Self-Aligned Gate
… and radiation-robust vacuum channels. Field-emission vacuum transistors based on silicon and metals have been demonstrated over past 30 years, however the power consumption and long-term device stability are still issues. To further improve the field emission device performance and …
-
Programmable Current Control of Silicon Field Emitter Arrays Using Gate-All-Around MOSFETs
Silicon field emitter array (FEA) technology has great potential for applications such as electron microscopy, vacuum electronics, and X-ray sources. However, some challenges such as emitter tip burnout and spatial and temporal non-uniformity of emission current impede the adoption of FEAs in these …
-
A Technology Platform for Enabling Next-Generation Vacuum Electronic Devices Based on Silicon Field Emitter Arrays
… their ballistic transport and higher breakdown field, nanoscale vacuum-channel transistors are expected to show better performance in a wide variety of high-frequency, high-power, or harsh environment applications. Silicon field emitter arrays (FEAs) are a proven and mature technology that can …
-
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 …
-
Field emission from silicon
A field emitter serves as a cold source of electrons. It has practical applications in various fields such as field emission flat panel displays, multiple electron-beam lithography, ion propulsion/micro-thrusters, radio frequency source, information storage technology, and electronic cooling. …
-
Micromachining and modeling of focused field emitters for flat panel displays
We present a comprehensive study of field emitter arrays with or without an integrated focus electrode. The former configuration is referred to as field emitter with integrated focus (IFE-FEA) or double-gate FEA (DG-FEA). The main application of IFE-FEA is to improve the resolution of field …
-
Flexible and solution-processed organic thin film transistors for high voltage applications
… electroactive polymers, novel displays, field-emitter arrays for digital x-ray imaging as well as photovoltaic systems on glass. A high-k dielectric Bi₁.₅Zn₁Nb₁.₅O₇ and a low-k organic dielectric parylene-C were incorporated into the HVOTFT process to improve threshold voltage and …
-
Intelligent field emission arrays
Field emission arrays (FEAs) have been studied extensively as potential electron sources for a number of vacuum microelectronic device applications. For most applications, temporal current stability and spatial current uniformity are major concerns. Using the kinetic model of electron emission, …
-
Synthesis, Field Emission and Associated Degradation Mechanisms of Tapered ZnO Nanorods
… <p>Equation 11..... 51</p> <p><strong>Synthesis, Field Emission and Associated Degradation Mechanisms of Tapered ZnO Nanorods</strong></p> <p>Gregory Michael Wrobel, M.S.</p> <p>University of Connecticut, 2011</p> <p>Modern development of field emitter arrays (FEA) has been made possible, partly …