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Neuromorphic computing circuits can be realized using memristors based on low-dimensional materials enabling enhanced metal diffusion for resistive switching. Here, we investigate memristive properties of vertically aligned MoS$_2$…

A powerful time series analysis modeling technique is presented to describe cycle-to-cycle variability in memristors. These devices show variability linked to the inherent stochasticity of device operation and it needs to be accurately…

Mesoscale and Nanoscale Physics · Physics 2024-02-08 Francisco J. Alonso , David Maldonado , Ana M. Aguilera , Juan B. Roldán

This tutorial describes challenges and possible avenues for the implementation of the components of a solid-state system, which emulates a biological brain. The tutorial is devoted mostly to a charge-based (i.e. electric controlled)…

Applied Physics · Physics 2021-12-08 Javier del Valle , Juan Gabriel Ramírez , Marcelo J. Rozenberg , Ivan K. Schuller

We introduce a model that accounts for the bipolar resistive switching phenomenom observed in transition metal oxides. It qualitatively describes the electric field-enhanced migration of oxygen vacancies at the nano-scale. The numerical…

Materials Science · Physics 2015-05-14 M. J. Rozenberg , M. J. Sanchez , R. Weht , C. Acha , F. Gomez-Marlasca , P. Levy

Magnetic gels with embedded micro/nano-sized magnetic particles in crosslinked polymer networks can be actuated by external magnetic fields, with changes in their internal microscopic structures and macroscopic mechanical properties. We…

Soft Condensed Matter · Physics 2024-03-21 Xuefeng Wei , Gaspard Junot , Ramin Golestanian , Xin Zhou , Yanting Wang , Pietro Tierno , Fanlong Meng

The appealing feature of molecular electronics is the possibility of exploiting functionality built within a single molecule. This functionality can be employed, for example, for sensing or switching purposes. Thus, ideally, the associated…

Memristor device modeling is currently a heavily researched topic and is becoming ever more important as memristor devices make their way into CMOS circuit designs, necessitating accurate and efficient memristor circuit simulations. In this…

Emerging Technologies · Computer Science 2017-04-27 Timothy W. Molter , M. Alexander Nugent

Electrical switching has been observed in carefully designed metal-insulator-metal devices built at small geometries. These devices are also commonly known as memristors and consist of specific materials such as transition metal oxides,…

Materials Science · Physics 2013-06-10 Gaurav Gandhi , Varun Aggarwal

Resistive switching can be achieved in a Mott insulator by applying current/voltage, which triggers an insulator-metal transition (IMT). This phenomenon is key for understanding IMT physics and developing novel memory elements and…

Strongly Correlated Electrons · Physics 2020-07-15 Yoav Kalcheim , Alberto Camjayi , Javier del Valle , Pavel Salev , Marcelo Rozenberg , Ivan K. Schuller

External matching networks are crucial and necessary for operating capacitively coupled plasmas in order to maximize the absorbed power. Experiments show that external circuits in general heavily interact with the plasma in a nonlinear way.…

Plasma Physics · Physics 2018-11-15 Frederik Schmidt , Thomas Mussenbrock , Jan Trieschmann

Resistive switching (RS) devices, based on soft materials such as organic, biomolecules as well as natural plant extracts etc., has emerged as a promising alternative to the conventional memory technologies. They offer simple device…

Materials Science · Physics 2025-12-12 Rahul Deb , Debajyoti Bhattacharjee , Syed Arshad Hussain

Electrical characteristics of a Co/TiO_x/Co resistive memory device, fabricated by two different methods are reported. In addition to crystalline TiO_2 layers fabricated via conventional atomic layer deposition (ALD), an alternative method…

The interfaces between metal electrodes and liquid electrolytes are prototypical in electrochemistry. That is why it is crucial to have a molecular and dynamical understating of such interfaces for both electrical properties and chemical…

Chemical Physics · Physics 2023-10-06 Linnéa Andersson , Chao Zhang

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

Combining scanning electron microscopy (SEM) and electron-beam-induced current (EBIC) imaging with transport measurements, it is shown that the current flowing across a two-terminal oxide-based capacitor-like structure is preferentially…

Materials Science · Physics 2009-11-07 C. Rossel , G. I. Meijer , D. Bremaud , D. Widmer

Resistive switches are a class of emerging nanoelectronics devices that exhibit a wide variety of switching characteristics closely resembling behaviors of biological synapses. Assembled into random networks, such resistive switches produce…

Emerging Technologies · Computer Science 2015-07-15 Jens Burger , Alireza Goudarzi , Darko Stefanovic , Christof Teuscher

We study how strongly correlated electrons on a dissipative lattice evolve from equilibrium when driven by a constant electric field, focusing on the extent of the linear regime and hysteretic non-linear effects at higher fields. We access…

Strongly Correlated Electrons · Physics 2015-06-18 Jiajun Li , Camille Aron , Gabriel Kotliar , Jong E Han

Understanding the response of the surface of metallic solids to external electric field sources is crucial to characterize electrode-electrolyte interfaces. Continuum electrostatics offer a simple description of the induced charge density…

Chemical Physics · Physics 2021-12-14 Giovanni Pireddu , Laura Scalfi , Benjamin Rotenberg

Neuromorphic circuits mimic partial functionalities of brain in a bio-inspired information processing sense in order to achieve similar efficiencies as biological systems. While there are common mathematical models for neurons, which can be…

Emerging Technologies · Computer Science 2017-09-26 Enver Solan , Karlheinz Ochs

We investigate hysteresis effects in a model for non-volatile memory devices. Two mechanisms are found to produce hysteresis effects qualitatively similar to those often experimentally observed in heterostructures of transition metal…

Strongly Correlated Electrons · Physics 2007-05-23 Marcelo J. Rozenberg , Isao H. Inoue , Maria Jose Sanchez