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 11 of 11 for “"Resistance Variation"”.
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Novel Transistor Resistance Variation-based Physical Unclonable Functions with On-Chip Voltage-to-Digital Converter Designed for Use in Cryptographic and Authentication Applications
… structure that is designed to leverage random variations in physical parameters of on-chip components as the source of entropy for generating random and unique bitstrings. PUFs also incorporate an on-chip infrastructure for measuring and digitizing these variations in order to produce …
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IMPROVING THE HAFNIA-BASED RESISTIVE RANDOM-ACCESS MEMORY THROUGH MATERAL ENGINEERING
… NATURE OF SUCH RESISTIVE SWITCHING, A LARGE VARIATION IN THE RESISTANCE OF EACH STATE IS OFTEN OBSERVED FROM CYCLE TO CYCLE. THIS EFFECTIVELY REDUCES THE MEMORY WINDOW BETWEEN THE HIGH AND LOW RESISTANCE STATES AND COULD POSSIBLY RESULT IN BIT ERRORS. THIS THESIS AIMS TO ADDRESS THE ISSUE OF …
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Characterization and analysis of process variability in deeply-scaled MOSFETs
… and decomposition approaches to quantify variation and its sources are explored. Two examples of transistor variability characterization are discussed: contact plug resistance variation within the context of a transistor, and AC, or short time-scale, variation in transistors. Results show …
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Design & optimization of automotive power electronics utilizing FITMOS MOSFET technology
… automobile applications due to its reduced on-resistance, improved temperature coefficient of resistance and reduced gate charge and input capacitance. In this research, we investigated the detailed characteristics of FITMOS devices, developed the SPICE model for simulation and explored their …
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Enabling Energy-Efficient Hybrid CMOS and Embedded Memory Accelerators for Neuromorphic Computing at the Edge
… low power, and nonvolatility, challenges such as resistance variation degrade inference accuracy. To mitigate this, novel two-layer memristor structures with improved thermal properties are proposed to enhance reliability. The second focus is on integrating spiking neural networks (SNNs) with …
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Characterizing carbon-nanotube devices for an integrated sensor system
… transistors (FET) are fabricated and the resistance variation of as-grown devices is characterized. Each CNT array is exposed under varying concentrations of NO2 as the conductance is monitored. The effects of gas adsorption on the metal contact and the CNT channel are treated separately …
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Microfabricated Shear -Sensitive Tactile Sensor: Development and Application
… describing applied forces, induced stress, the resistance variation, and their relationships. Bench characterization is performed with a 0--3 N force applied at elevation angles of 0°, 30°, 45° and 60°. At each elevation angle, the sensor is rotated from 0° to 360° at …
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The effects of simulated inflammatory conditions on the corrosion and fretting corrosion of CoCrMo alloy
… (surface roughness, topography, corrosion resistance). Variation of surface roughness, corrosion resistance were related with potential and time-dependent oxide film topography. </p> <p>Fretting corrosion behavior of CoCrMo/CoCrMo alloy combinations was significantly affected by SI …
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A Physical Unclonable Function Based on Inter-Metal Layer Resistance Variations and an Evaluation of its Temperature and Voltage Stability
… alternative. PUFs leverage random manufacturing variations as the source of entropy for generating random bitstrings, and incorporate an on-chip infrastructure for measuring and digitizing the corresponding variations in key electrical parameters, such as delay or voltage. PUFs are designed to …
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Normal state properties of high-angle grain boundaries in Y$_{1-x}$Ca$_{x}$Ba$_{2}$Cu$_{3}$O$_{7-}$$_\delta$
… devices that made it possible to determine the resistance of the grain boundary below and above the transition temperature. A measurement system was used with which the voltage across the grain boundary can be measured as a function of applied current between 5 K and room temperature. A detailed …
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Thermal Management Using Liquid-vapor Phase Change in Nanochannels
… flux as a power-law function of time. Temporal variation of wicking flux velocity and pressure gradient in the nanochannels is also independently computed, from which the viscous resistance variation is estimated and compared to the theoretical prediction. Further, to comprehend the effect of …