Nanoionic memristive phenomena in metal oxides: the valence change mechanism

R Dittmann, S Menzel, R Waser - Advances in Physics, 2021 - Taylor & Francis
This review addresses resistive switching devices operating according to the bipolar
valence change mechanism (VCM), which has become a major trend in electronic materials …

Filament growth and resistive switching in hafnium oxide memristive devices

S Dirkmann, J Kaiser, C Wenger… - ACS applied materials …, 2018 - ACS Publications
We report on the resistive switching in TiN/Ti/HfO2/TiN memristive devices. A resistive
switching model for the device is proposed, taking into account important experimental and …

Role of Defects in the Breakdown Phenomenon of Al1–xScxN: From Ferroelectric to Filamentary Resistive Switching

R Guido, T Mikolajick, U Schroeder, PD Lomenzo - Nano Letters, 2023 - ACS Publications
Aluminum scandium nitride (Al1–x Sc x N), with its large remanent polarization, is an
attractive material for high-density ferroelectric random-access memories. However, the …

Guiding the growth of a conductive filament by nanoindentation to improve resistive switching

Y Sun, C Song, J Yin, X Chen, Q Wan… - … applied materials & …, 2017 - ACS Publications
Redox-based memristor devices, which are considered to have promising nonvolatile
memory, mainly operate through the formation/rupture of nanoscale conductive filaments …

Effect of electrode and oxide properties on the filament kinetics during electroforming in metal-oxide-based memories

K Zhang, Y Ren, P Ganesh, Y Cao - npj Computational Materials, 2022 - nature.com
We developed a physical model to fundamentally understand the conductive filament (CF)
formation and growth behavior in the switching layer during electroforming process in the …

Deterministic Conductive Filament Formation and Evolution for Improved Switching Uniformity in Embedded Metal-Oxide-Based Memristors─ A Phase-Field Study

K Zhang, P Ganesh, Y Cao - ACS Applied Materials & Interfaces, 2023 - ACS Publications
The extreme device-to-device variation of switching performance is one of the major
obstacles preventing the applications of metal-oxide-based memristors in large-scale …

Nanosized conducting filaments formed by atomic-scale defects in redox-based resistive switching memories

H Du, CL Jia, A Koehl, J Barthel, R Dittmann… - Chemistry of …, 2017 - ACS Publications
Redox-based resistive switching phenomena are found in many metal oxides and hold great
promise for applications in next-generation memories and neuromorphic computing …

The ultimate switching speed limit of redox-based resistive switching devices

S Menzel, M Von Witzleben, V Havel, U Böttger - Faraday discussions, 2019 - pubs.rsc.org
In contrast to classical charge-based memories, the binary information in redox-based
resistive switching devices is decoded by a change of the atomic configuration rather than …

Enhancement of resistive switching properties in Al2O3 bilayer-based atomic switches: multilevel resistive switching

SK Vishwanath, H Woo, S Jeon - Nanotechnology, 2018 - iopscience.iop.org
Atomic switches are considered to be building blocks for future non-volatile data storage and
internet of things. However, obtaining device structures capable of ultrahigh density data …

Intrinsic RESET speed limit of valence change memories

M von Witzleben, S Wiefels… - ACS Applied …, 2021 - ACS Publications
During the past decade, valence change memory (VCM) has been extensively studied due
to its promising features, such as a high endurance and fast switching times. The information …