English
Related papers

Related papers: Direct imaging elucidates ionic memory in two-dime…

200 papers

We have applied recent machine learning advances, deep convolutional neural network, to three-dimensional (voxels) soft matter data, generated by Molecular Dynamics computer simulation. We have focused on the structural and phase properties…

Soft Condensed Matter · Physics 2020-10-15 Loic Dumortier , Stefano Mossa

Vanadium dioxide (VO$_2$) has received significant interest in the context of nanophotonic metamaterials and memories owing to its reversible insulator-metal transition associated with significant changes in its optical and electronic…

Mesoscale and Nanoscale Physics · Physics 2025-02-25 Peter Kepič , Michal Horák , Jiří Kabát , Vlastimil Křápek , Andrea Konečná , Tomáš Šikola , Filip Ligmajer

Plastic materials can carry memory of past mechanical treatment in the form of internal stress. We introduce a natural definition of the vorticity of internal stress in a simple two-dimensional model of elasto-plastic fluids, which…

Soft Condensed Matter · Physics 2009-11-10 Takeshi Ooshida , Ken Sekimoto

Field-effect transistors based on molybdenum disulfide (MoS$_2$) exhibit a hysteresis in their transfer characteristics, which can be utilized to realize 2D memory devices. This hysteresis has been attributed to charge trapping due to…

The brain is dynamic, associative and efficient. It reconfigures by associating the inputs with past experiences, with fused memory and processing. In contrast, AI models are static, unable to associate inputs with past experiences, and run…

Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized…

Soft Condensed Matter · Physics 2021-04-02 Sanjin Marion , Michal Macha , Sebastian J. Davis , Andrey Chernev , Aleksandra Radenovic

This study explores the impact of organic cations in bismuth iodide complexes on their memristive behavior in metal-insulator-metal (MIM) type thin-layer devices. The presence of electron-donating and electron withdrawing functional groups…

Two-dimensional (2D) materials are envisaged as ultra-thin solid lubricants for nano-mechanical systems. So far, their frictional properties at the nanoscale have been studied by standard friction force microscopy. However, lateral…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 Borislav Vasić , Igor Stanković , Aleksandar Matković , Markus Kratzer , Christian Ganser , Radoš Gajić , Christian Teichert

We employ molecular dynamics simulations to investigate ion and water transport driven by an electric field through quasi-two-dimensional nanoslits with a tapered geometry. Despite the absence of surface charge on the channel walls and the…

Soft Condensed Matter · Physics 2025-09-29 Tim Veenstra , Gerardo Campos-Villalobos , Giuliana Giunta , René van Roij , Marjolein Dijkstra

Acting as artificial synapses, two-terminal memristive devices are considered fundamental building blocks for the realization of artificial neural networks. Organized into large arrays with a top-down approach, memristive devices in…

Vortex flow in driven type II superconductors shows strong memory and history dependent effects. Here, we study a schematic microscopic model of driven vortices to propose a scenario for a broad set of these kind of phenomena ranging from…

Condensed Matter · Physics 2009-11-07 Henrik Jeldtoft Jensen , Mario Nicodemi

The memristive device is one of the basic elements of novel, brain-inspired, fast, and energy-efficient information processing systems in which there is no separation between memorization and information analysis functions. Since the first…

We show that ideal memristors - devices whose resistance is proportional to the charge that flows through them - can be realized using spin torque-driven viscous magnetization dynamics. The latter can be accomplished in the spin liquid…

Applied Physics · Physics 2020-06-16 Guanxiong Chen , Sergei Ivanov , Sergei Urazhdin

Modeling the ion concentration profile in nanochannel plays an important role in understanding the electrical double layer and electroosmotic flow. Due to the non-negligible surface interaction and the effect of discrete solvent molecules,…

Machine Learning · Computer Science 2023-12-19 Zhonglin Cao , Yuyang Wang , Cooper Lorsung , Amir Barati Farimani

As artificial intelligence continues to grow, so does the need for more efficient ways to process data. Besides moving from electronic to photonic circuits, a promising approach is to integrate phase-change materials. Vanadium dioxide…

Mesoscale and Nanoscale Physics · Physics 2026-04-08 Peter Kepič , Petra Kalousková , Tomáš Šikola , Filip Ligmajer

In the last decade, a 2-terminal passive circuit element called a memristor has been developed for non-volatile resistive random access memory and has more recently shown promise for neuromorphic computing. Compared to flash memory,…

Memristors have pinched hysteresis loops in the $V-I$ plane. Ideal memristors are everywhere non-linear, cross at zero and are rotationally symmetric. In this paper we extend memristor theory to produce different types of non-ideality and…

Mesoscale and Nanoscale Physics · Physics 2016-11-17 Ella Gale

A tungsten filament immersed in superfluid helium has strong hysteretic $I$-$V$ characteristics. By increasing the applied voltage, a remarkable current drop occurs at a transition voltage, at which the filament enters a non-ohmic hot state…

Applied Physics · Physics 2021-01-01 Che-Chi Shih , Ming-Huei Huang , Pang-Chia Chang , Po-Wei Yu , Wen-Bin Jian , Kimitoshi Kono

Two-dimensional layered semiconductors have recently emerged as attractive building blocks for next-generation low-power non-volatile memories. However, challenges remain in the controllable sub-micron fabrication of bipolar resistively…

Reconfigurable memristors featuring neural and synaptic functions hold great potential for neuromorphic circuits by simplifying system architecture, cutting power consumption, and boosting computational efficiency. Their additive…

‹ Prev 1 3 4 5 6 7 10 Next ›