Abdulaziz Alshaya

ORCID: 0000-0002-5469-1594
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Research Areas
  • Advanced Memory and Neural Computing
  • CCD and CMOS Imaging Sensors
  • Ferroelectric and Negative Capacitance Devices
  • Neuroscience and Neural Engineering
  • Analog and Mixed-Signal Circuit Design
  • Neural dynamics and brain function
  • Photonic and Optical Devices
  • Energy and Environment Impacts
  • Advancements in PLL and VCO Technologies
  • Semiconductor materials and devices
  • Seismic Imaging and Inversion Techniques
  • Advanced biosensing and bioanalysis techniques
  • NMR spectroscopy and applications
  • Advanced MEMS and NEMS Technologies
  • Transition Metal Oxide Nanomaterials
  • Energy Harvesting in Wireless Networks
  • Social Acceptance of Renewable Energy
  • Geophysical and Geoelectrical Methods
  • VLSI and Analog Circuit Testing
  • Environmental Education and Sustainability

Imperial College London
2022-2024

National Institute of Standards and Technology
2023

In this paper we propose a current-conveyor based circuit to characterise resistive switching devices. The relies on open-loop current-mode techniques that are in principle faster than existing solutions rely transimpedance amplifiers for biasing and current sensing [1]. is able apply voltage across test device simultaneously provide measure of flowing through it. therefore, results compact solution can be scaled-up crossbar devices parallel. describe, simulate evaluate discrete version the...

10.1109/mocast57943.2023.10176571 article EN 2023-06-28

Abstract The rise of memristors with potential applications in memory has attracted wide interests. Memristors are typically assembled crossbar arrays data bits encoded by the resistance individual cells. 1T1R cell structure is most popular for memristive as it eliminates sneak path currents. transistor not only allows flexible selection cells but also facilitates programming computing-in-memory applications. In this paper, we replace selector configuration a capacitor to form selectorless...

10.1088/1742-6596/2613/1/012010 article EN Journal of Physics Conference Series 2023-10-01

Memristor memory has garnered more interest as a potential future non-volatile memory. One access transistor and one memristor (1T1R) cell structure can be utilized to eliminate the issue of sneak path current in crossbar-structured memories. However, it lower switching speed high-power consumption. In this paper, novel passive selectorless been studied. capacitor-One (1C1R) is proposed device that controlled by applied signal width. The 1C1R successfully writes reads 1-bit information with...

10.1109/icm56065.2022.10005477 article EN 2022-12-04

The memristor, because of its controllability over a wide dynamic range resistance, has emerged as promising device for data storage and analog computation. A major challenge is the accurate measurement memristance range. In this paper, novel read-out circuit with feedback adjustment proposed to measure digitise input current in between 20nA 2mA. magnitude currents estimated by 5-stage logarithmic current-to-voltage amplifier which scales linear analog-to-digital converter. This way least...

10.1109/iscas48785.2022.9937616 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2022-05-28

The memristor is an innovative passive electrical device that has gained popularity in recent years as a potential candidate for next-generation non-volatile memory (NVM) and analog computing. This stems from the memristor's ability to store information manner inaccessible external power sources. It possible electrically modify resistance state, this change will be retained even after bias been removed. distinctive characteristic of device. In paper, we present comprehensive presentation...

10.1109/icm56065.2022.10005367 article EN 2022-12-04

Abstract Monitoring fluid saturation and reservoir surveillance are essential techniques for effective management. As reservoirs age water sweep advances, it becomes more difficult to find infill well placements. Reservoir scale technologies offer a novel promising way optimise hydrocarbon recovery through development decisions. In addition, can help evaluate efficiency improve simulation models. There currently various proven electromagnetism approaches monitoring, including cross-well-EM...

10.2118/212602-ms article EN SPE Reservoir Characterisation and Simulation Conference and Exhibition 2023-01-24

This paper presents experimental findings of a new passive memristive memory structure called ICIR, which involves the series connection one capacitor and ReRAM. The ICIR configuration, illustrated in Fig. 1, shows great potential as due to its high density, reduced power consumption, improved switching speed, and, notably, monotonic relationship between charges on memristance. In this paper, we have implemented utilizing discrete Knowm memristor with Self-Directed Channel (SDC) Memristor...

10.1109/icecs58634.2023.10382807 article EN 2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS) 2023-12-04

The memristor is a revolutionary passive device that has gained popularity in recent years as possible contender for next-generation nonvolatile memory and analogue computing. This work presents selectorless memristive crossbar array. It 16x16 array with one capacitor (1CIR) core cell. 1CIR configuration promising structure because of its high density, lower power consumption, faster speed, more importantly the monotonic relationship between charges on memristance. Data readout this carried...

10.1109/mwscas57524.2023.10406076 article EN 2022 IEEE 65th International Midwest Symposium on Circuits and Systems (MWSCAS) 2023-08-06

Emerging memristor-based array architectures have been effectively employed in non-volatile memories and neuro-morphic computing systems due to their density, scalability capability of storing information. Nonetheless, demonstrate a practical on-chip system, it is essential the ability apply large programming voltage ranges during characterisation procedures for various memristor technologies. This work presents 16x16 high employing CMOS circuitry. The proposed system has maximum range ±22V...

10.1109/iscas48785.2022.9937723 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2022-05-28

Currently, we have no practical emulation solution for analogue and mixed-signal (AMS) circuits, unlike resolutions found FPGA digital circuit emulation. This paper presents a high Q crystal oscillator based on Wave Digital Filter (WDF). An method was used WDFs proposed in [1] to cover the entire flow of transforming an from SPICE netlist towards hardware implementation. Although WDF has been shown be effective circuits with linear elements, proper dealing nonlinear components, such as MOS...

10.1109/iscas48785.2022.9937868 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2022-05-28

The design cycle of analog and mixed signal components requires the designer to iteratively perform simulations, layout, fabrication, hardware testing.Unlike digital designs, system verification is a difficult task in primarily due lack emulation.Thus, method emulate on would be highly beneficial.In this work, high-quality factor crystal oscillator circuit implemented Xilinx Vertex 7 FPGA using Wave Digital Filter based model with non-linear lookup table for modeling transistor...

10.1109/tvlsi.2023.3305597 article EN IEEE Transactions on Very Large Scale Integration (VLSI) Systems 2023-11-17

Emerging memristor-based array architectures have been effectively employed in non-volatile memories and neuromorphic computing systems due to their density, scalability capability of storing information. Nonetheless, demonstrate a practical on-chip system, it is essential the ability apply large programming voltage ranges during characterisation procedures for various memristor technologies. This work presents 16x16 high employing CMOS circuitry. The proposed system has maximum range...

10.48550/arxiv.2205.08391 preprint EN cc-by-nc-sa arXiv (Cornell University) 2022-01-01

The memristor, because of its controllability over a wide dynamic range resistance, has emerged as promising device for data storage and analog computation. A major challenge is the accurate measurement memristance range. In this paper, novel read-out circuit with feedback adjustment proposed to measure digitise input current in between 20nA 2mA. magnitude currents estimated by 5-stage logarithmic current-to-voltage amplifier which scales linear analog-to-digital converter. This way least...

10.48550/arxiv.2205.08381 preprint EN cc-by-nc-sa arXiv (Cornell University) 2022-01-01

Saudi Arabia's Vision 2030 includes various pillars in its programs, one of which is to strengthen and diversify economy. Improving the energy sector Arabia by including renewable resources will expand Saudi's mix, enhancing In this paper, a detailed evaluation social aspect deploying first large-scale photovoltaics (PV) solar project Kingdom discussed. Furthermore, survey contained ten multiple choice questions covering two aspects had been conducted among Saudis measure acceptance Al-Jouf...

10.1109/sustech53338.2022.9794244 article EN 2022-04-21
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