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 20 for “"non-volatile memories"”.
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Molecular and quantum dot floating gate non-volatile memories
… the use of molecular films as floating gates in non-volatile flash memories. As an example, a single organic molecule of 3,4,9,10 -parylene tetracarboxylic dianhydride (PTCDA) occupies lnm2 in area and is capable of storing and retaining a single charge. If a defect is present in the tunneling …
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Ferroelectric Thin Films for High Density Non-volatile Memories
Ferroelectric random access memories (FRAM) are considered as future memories due to high speed, low cost, low power, excellent radiation hardness, nonvolatility, and good compatibility with the existing integrated circuit (IC) technology. The non-volatile FRAM devices are divided into two …
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Improving the Security, Availability, and Reliability of Emerging Non-Volatile Memories.
North Carolina State University Theses Electrical and Computer Engineering.
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Crystallization of Amorphous Chalcogenide Nano-Regions and Test-Structure Fabrication for Non-Volatile Memories
… of sub-50nm GST based phase change memories. Isolated amorphous regions of different sizes and shapes has been observed after isochronal annealing from 90°C to 150°C. Crystallization has been observed to occur at 145 °C from the boundaries of the structures, while nucleation from the …
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DESIGN, COMPACT MODELING AND CHARACTERIZATION OF NANOSCALE DEVICES
… in filters, stable frequency sources, non-volatile memories and reconfigurable and neuromorphic electronics.
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INVESTIGATION OF MATERIALS AND ANALYSIS TECHNIQUES FOR PERFORMANCE ENHANCEMENT OF PERPENDICULAR MAGNETIC TUNNEL JUNCTIONS
… (p-MTJ) is a promising candidate for future non-volatile memories. Some of the factors that are critical for the performance of p-MTJ are thermal stability, magnetic immunity against the external magnetic field and switching current (Ic). In this thesis, the issues of the thermal stability, …
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Dielectric reliability and spin dependent transport in Co-Fe-B/MgO/Co-Fe-B magnetic tunnel junctions
… These developments concern a new type of non-volatile memories. In contrast, conventional electronics is based on the use of an electric field to act on the charge of electrons. The electronic spin gives rise to the magnetism of solids, but also provides a means to influence the electrons …
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Integrated Sensing and Computing Architectures Enabling Smart Vision Sensors
… circuits, and algorithms that leverage emerging non-volatile memories, low-precision quantized neural networks, and unconventional computing schemes like the Residue Number System to perform complex AI tasks directly on sensor with minimal energy consumption. The primary contributions of this …
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The modification of graphene band structure by periodic potential perturbation
… widely applied in everyday technologies, such as non-volatile memories and medical imaging, due to the presence of spontaneous polarisation in the material and that being reversible by an externally applied electric field. A ferroelectric material PZT (PbZrxTi1−xO3), is utilised in this work to …
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Scaling of the ferroelectric field effect transistor and programming concepts for non-volatile memory applications
The importance of non-volatile memory for storage of digital information is without question. Research over the years has led to many different types of memory, each tailored to a specific need. Always, however, the search has continued for a universal type that combines high speed operation with …
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Design and analysis of future memories based on switchable resistive elements
… elements have a great potential for implementing non-volatile memories with extreme densities. This work investigates using the switching characteristics of these resistive switchable elements to implement active and passive memory arrays. First, different active memory architectures has been …
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Defects and Interface Engineering of SnO2 Based Nanomaterials for High Performance Memory Applications
Non-volatile memories with larger capacity, faster operation speed, lower power consumption, smaller size and simpler fabrication process are strongly desired in the big data era. Recently, oxide-based random-access memories (OxRAMs) have been considered as a promising solution to meet these …
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An Effort toward Building more Secure and Efficient Physical Unclonable Functions
… Typically, the IDs of devices are stored in non-volatile memories (NVM) or through burning fuses on ICs. However, through such traditional techniques, IDs are vulnerable to attacks. Further, maintaining such secrets in NVMs is expensive. Physical Unclonable Functions (PUF) provide an …
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Sn-Sb-Se based binary and ternary alloys for phase change memory applications
… much effort has been put into developing better non-volatile memories. Phase change random access memory (PCRAM) is considered to be one of the most promising candidates for the next-generation technology due to its many advantages: non-volatility, fast writing speed, low cost and high …
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Investigating the Thermal Stability and Cation Ordering in Layered Cathode LixMO2 (x ≤ 1; M = Co, Mn, Ni) Materials for Li-ion Rechargeable Batteries and Studying the Ferroelectric Properties of LiNbO3 Nanoparticles
… in ferroelectric devices such as electronics, non-volatile memories, and thin film capacitors. LiMO2 was synthesized and characterized to understand the correlation between capacity fading and thermal stability relating to the microstructures. Our results showed that delithiated (charged) …
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In-situ plasmon-enhanced characterization of optically accessible ultra-thin film ferroelectric devices
… region. This allows for the first accurate and non-invasive simultaneous optical and electrical evaluation of nanomaterials. This thesis majorly concentrates on Hafnium oxide based ferroelectric and memristive materials due to their significant advantages in power consumption, high read-write …
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Integrating physical unclonable functions from novel nanomaterials, circuit elements, and memory technologies into future hardware architectures
… as SRAM, DRAM, and flash memory, to emerging Non-Volatile Memories (NVMs), including Ferroelectric RAM (FRAM), Magnetoresistive RAM (MRAM), and Resistive RAM (ReRAM). These new technologies, in turn, necessitate innovative hardware security solutions for generating intrinsic hardware …
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Nonlinear ion transport at high electric currents in shock electrodialysis and ion-intercalation memories
This thesis studies the nonlinear ion transport at high electric currents, in two applications: shock electrodialysis (shock ED) for ion separation, and ion-intercalation memories for in-memory computing. The two studies are both related to the concept of concentration polarization (CP) in …
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A novel low-temperature growth method of silicon structures and application in flash memory.
Flash memories are solid-state non-volatile memories. They play a vital role especially in information storage in a wide range of consumer electronic devices and applications including smart phones, digital cameras, laptop computers, and satellite navigators. The demand for high density flash has …
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Impact of Inert-electrode on the Performance and Electro-thermal Reliability of ReRAM Memory Array
While the scaling of conventional memories based on floating gate MOSFETs is getting increasingly difficult, novel type of non-volatile memories, such as resistive switching memories, have lately found increased attention by both industry and academia. Resistive switching memory (ReRAM) is being …