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 20 of 23 for “"low power electronics"”.
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Resolving oxidation phenomena in layered semiconductors and scaled heterogeneous integration for low-power electronics
… demands high-throughput experimental workflows and prompt feedback loops across all stages, from materials growth to device fabrication and quality control. There is a crucial need for characterisation approaches that can resolve both intricate structure-property relations at the atomic …
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Submicron Scaling in Indium Phosphide/indium Gallium Arsenide Single Heterojunction Bipolar Transistors
… progress in the development of high-speed, low power electronics using InP-based HBTs.
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Design, Fabrication, and Characterization of an Array of Graphene Based Variable Capacitors
… incorporated into an integrated circuit to power low power electronics. </p> <p>This work is based on a two-mask photolithography process. The first photolithographic mask creates long trenches terminated by square wells which have a cone-shaped tip feature etched at its center. These …
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ENERGY EFFICIENT CIRCUIT TECHNIQUES FOR SUCCESSIVE APPROXIMATION REGISTER ADC
… (SAR) ADC's are widely used in the design of low power electronics. Significant portions of CS-SAR ADC power are consumed by CS capacitor arrays and comparator circuits. This Dissertation presents circuit techniques to reduce the power consumption of both CS capacitor array and the latch …
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Stress evolution of thin film RuO₂ Li-ion battery electrodes
… (TFB) are seen as a promising candidate for powering small, low power microelectronic devices as they exhibit high energy density and can operate reliably at low voltages. Currently the biggest obstacle to TFB battery development is high volume expansion and material degradation in electrodes …
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Additively Manufactured, Multi-Langmuir Probe Plasma Sensing Device for Use on CubeSats
… properties. This includes the development of low-power electronics to run the multi-LP device and the design of 3D-printed housing to push the lower bounds of device size and electrode spacing. The designs were rigorously tested in a helicon plasma chamber. The resulting LP sensor array is the …
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Electrostatic vibration-to-electric energy conversion
Ultra-Low-Power electronics can perform useful functions with power levels as low as 170 nW. This makes them amenable to powering from ambient sources such as vibration. In this case, they can become autonomous. Motivated by this application, this thesis provides the necessary tools to analyze, …
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Energy Harvesting from Human Body, Motion and Surroundings
… there is an emerging need on finding sustainable power sources for low power electronics and sensors. One of the promising possibilities in this space is the human body itself. Harvesting significant power from daily human activities will have a transformative effect on wearables and implantables. …
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Design, fabrication and characterisation of free-standing thick-film piezoelectric cantilevers for energy harvesting
… in the areas of wireless technology and low power electronics. One of the mechanisms for converting mechanical vibration to electrical energy is the use of piezoelectric materials, typically operating as a cantilever in a bending mode, which generate a voltage across the electrodes when …
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Application of cellulosic materials as flexible substrates for two-dimensional electronic heterostructure devices
… creating a set of materials to enable flexible electronics, two-dimensional (2D) materials are incredibly capable. This family of nanomaterials comprises a suite of strong and flexible conducting, semiconducting, and dielectric materials. These materials, all compatible with one another can be …
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Density functional theory investigations of graphene-based heterostructures
… devices; in high-performance, low-power electronics, and as transparent electrodes. The present study employs Density Functional Theory (DFT) to identify the atomic and electronic structure of graphene (Gr) on three different types of substrates: transition metals (nickel, …
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Angle-resolved photoemission studies of thin-film topological materials
… for realizing novel device applications, such as low-power electronics, spintronics and quantum computation. In this thesis research, high-quality thin-film topological materials are prepared in situ by molecular beam epitaxy (MBE) and characterized by experimental tools, including reflection …
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Demonstration of monolithically integrated graphene interconnects for low-power CMOS applications
… step in establishing a path for graphene electronics. In this thesis, we characterize the performance of integrated graphene interconnects and demonstrate two prototype CMOS chips. A 0.35 prm CMOS chip implements an array of transmitter/receivers to analyze end-to-end data communication on …
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Adiabatic Approach for Low-Power Passive Near Field Communication Systems
This thesis tackles the need of ultra-low power electronics in the power limited passive Near Field Communication (NFC) systems. One of the techniques that has proven the potential of delivering low power operation is the Adiabatic Logic Technique. However, the low power benefits of the adiabatic …
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Energy harvesting-aware design of wireless networks
Recent advances in low-power electronics and energy-harvesting (EH) technologies enable the design of self-sustained devices that collect part, or all, of the needed energy from the environment. Several systems can take advantage of EH, ranging from portable devices to wireless sensor networks …
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Tip-based nanolithography and application to molybdenum disulfide devices
… devices. Tip-based nanolithography (TBN) is a low-cost and versatile unconventional nanolithography technique that can be used to prototype novel devices. This dissertation reports the study of tip-based polymer nanostructure fabrication and the application of TBN to fabricate MoS2 devices. The …
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A self-powered single-chip wireless sensor platform
"Internet of things” require a large array of low-cost sensor nodes, wireless connectivity, low power operation and system intelligence. On the other hand, wireless biomedical implants demand additional specifications including small form factor, a choice of wireless operating frequencies within …
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Scaling study of phase change memory using carbon nanotube electrodes
… technology is its relatively high programming power, since the PCM bit needs to be heated above its crystallization temperature during operation. If we can reduce the size of the electrodes which controls the size of the PCM bit, we could significantly reduce the programming power. In this …
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Nuclear Batteries with Tritium and Promethium-147 Radioactive Sources
Long-lived power supplies for remote and even hostile environmental conditions are needed for space and sea missions. Nuclear batteries can uniquely serve this role. In spite of relatively low power, the nuclear battery with packaging can have an energy density near a thousand watt-hours per …
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Fundamental limits of the switching abruptness of tunneling transistors
… one of the most promising candidates for future low-power electronics because of its potential to achieve a subthreshold swing less than the 60 mV/decade thermal limit at room temperature. It can surpass this limit because the turn-on of tunneling does not sample the Maxwell-Boltzmann …
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