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A memristor is a nonlinear two-terminal electrical element that incorporates memory features and nanoscale properties, enabling us to design very high-density artificial neural networks. To enhance the memory property, we should use…

Dynamical Systems · Mathematics 2022-07-07 Leila Eftekhari , Mohammad M. Amirian

Nowadays we witness a miniaturisation trend in the semiconductor industry backed up by groundbreaking discoveries and designs in nanoscale characterisation and fabrication. To facilitate the trend and produce ever smaller, faster and…

Neural and Evolutionary Computing · Computer Science 2021-03-30 Karolos-Alexandros Tsakalos , Georgios Ch. Sirakoulis , Andrew Adamatzky , Jim Smith

Memristive devices represent a promising technology for building neuromorphic electronic systems. In addition to their compactness and non-volatility features, they are characterized by computationally relevant physical properties, such as…

Emerging Technologies · Computer Science 2018-07-18 Melika Payvand , Manu V Nair , Lorenz K. Muller , Giacomo Indiveri

Photoreflectance (PR) is a convenient characterization tool able to reveal optoelectronic properties of semiconductor materials and structures. It is a simple non-destructive and contactless technique which can be used in air at room…

A new model of a symmetric two-terminal non-volatile RRAM device based on Perovskite oxide thin film materials, specifically Pr1-xCaxMnO3 (PCMO), is proposed and analyzed. The model consists of two identical half-parts, which are completely…

Strongly Correlated Electrons · Physics 2015-06-25 X. Chen , J. Strozier , N. J. Wu , A. Ignatiev , Y. B. Nian

We present a comprehensive phenomenological model for the crossbar integrated metal-oxide continuous-state memristors. The model consists of static and dynamic equations, which are obtained by fitting a large amount of experimental data,…

Applied Physics · Physics 2018-11-27 H. Nili , A. Vincent , M. Prezioso , M. R. Mahmoodi , I. Kataeva , D. Strukov

This study investigates 7-methylquinolinium halobismuthates (I, Br, and Cl) in two aspects: (1) their structural and semiconducting properties influenced by anionic composition, and (2) their memristive and plasticity characteristics for…

Brain-inspired neuromorphic computing which consist neurons and synapses, with an ability to perform complex information processing has unfolded a new paradigm of computing to overcome the von Neumann bottleneck. Electronic synaptic…

Emerging Technologies · Computer Science 2020-12-29 Dwipak Prasad Sahu , Prabana Jetty , S. Narayana Jammalamadaka

This paper examines the coexistence of resistive, capacitive, and inertia (virtual inductive) effects in memristive devices, focusing on ReRAM devices, specifically the interface-type or non-filamentary analog switching devices. A…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 Sahitya Yarragolla , Torben Hemke , Jan Trieschmann , Thomas Mussenbrock

Memristor, memory resistor, is an emerging technology for computational memory. Number of different memristor models are available based on the physical experiments. To use memristor as a computational memory element, one should know how…

Emerging Technologies · Computer Science 2019-06-14 Santosh Parajuli , Ram Kaji Budhathoki

We suggest an approach to use memristors (resistors with memory) in programmable analog circuits. Our idea consists in a circuit design in which low voltages are applied to memristors during their operation as analog circuit elements and…

Instrumentation and Detectors · Physics 2014-11-20 Yuriy V. Pershin , Massimiliano Di Ventra

Optical memristors represent a monumental leap in the fusion of photonics and electronics, heralding a new era of applications from neuromorphic computing to artificial intelligence. However, current technologies are hindered by complex…

In this work, an optimized method was implemented for attaining stable multibit operation with low energy consumption in a two-terminal memory element made from the following layers: Ag/Pt nanoparticles (NPs)/SiO2/TiN in a…

Hardware Architecture · Computer Science 2024-06-21 G. Kleitsiotis , P. Bousoulas , S. D. Mantas , C. Tsioustas , I. A. Fyrigos , G. Sirakoulis , D. Tsoukalas

Superlattices may play an important role in next generation electronic and spintronic devices if the key-challenge of the reading and writing data can be solved. This challenge emerges from the coupling of low dimensional individual layers…

Mesoscale and Nanoscale Physics · Physics 2014-08-04 S. Narayana Jammalamadaka , Johan Vanacken , V. V. Moshchalkov

Resistive Switching (RS) is the change in resistance of a dielectric under the influence of an external current or electric field. This change is non-volatile, and the basis of both the memristor and resistive random access memory. In the…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 Paul K. Radtke , Lutz Schimansky-Geier

The control and manipulation of filamentary resistive switching (FRS) is essential for practical applications in fields like non-volatile memories and neuromorphic computing. However, key aspects of the dynamics of conductive filament…

Mesoscale and Nanoscale Physics · Physics 2024-10-31 R. Leal Martir , E. A. Jagla , D. Rubi , M. J. Sánchez

Emerging memristor-based array architectures have been effectively employed in non-volatile memories and neuromorphic computing systems due to their density, scalability and capability of storing information. Nonetheless, to demonstrate a…

Emerging Technologies · Computer Science 2022-05-18 Jiawei Shen , Andrea Mifsud , Lijie Xie , Abdulaziz Alshaya , Christos Papavassiliou

Defect engineering is a key strategy to control resistive switching (RS) in oxide-based memristive devices, where oxygen vacancy (OV) dynamics governs filament formation and rupture. We investigate the effect of Ag nanoparticles (AgNPs)…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 R. Leal Martir , A. J. T. van der Ree , M. H. Aguirre , G. Palasantzas , D. Rubi , M. J. Sánchez

Speckle metrology is a powerful tool in the measurement of wavelength and spectra. Recently, speckle produced by multiple reflections inside an integrating sphere has been proposed and showed high performance. However, to our knowledge, a…

Optics · Physics 2021-10-19 Morgan Facchin , Kishan Dholakia , Graham D. Bruce

Future neuromorphic architectures will require millions of artificial synapses, making understanding the physical mechanisms behind their plasticity functionalities mandatory. In this work, we propose a simplified spin memristor, where the…

Applied Physics · Physics 2024-09-13 J. O. Castro , B. Buyatti , D. Mercado , A. Di Donato , M. Quintero , M. Tortarolo