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Resistive switching memories allow electrical control of the conductivity of a material, by inducing a high resistance (OFF) or a low resistance (ON) state, using electrochemical and ion transport processes. As alternative to high…

Applied Physics · Physics 2020-04-27 Beatriz Martín-García , Davide Spirito , Roman Krahne , Iwan Moreels

The multiple ferroelectric polarization tuned by external electric field could be used to simulate the biological synaptic weight. Ferroelectric synaptic devices have two advantages compared with other reported ones: One is the intrinsic…

Applied Physics · Physics 2020-07-17 Bobo Tian , Ni Zhong , Chungang Duan

In this paper we proclaim excellent variation control in Hf$_{0.5}$Zr$_{0.5}$O$_2$ based ferroelectric films obtained by germination of large ferroelectric domain via extended duration of thermal annealing. 10nm thick…

Applied Physics · Physics 2020-06-19 Sourav De , Bo-Han Qiu , Md. Aftab Baig , Darsen D. Lu , Yao-Jen Lee

Compute-in-memory (CiM) is a promising solution for addressing the challenges of artificial intelligence (AI) and the Internet of Things (IoT) hardware such as 'memory wall' issue. Specifically, CiM employing nonvolatile memory (NVM)…

Emerging Technologies · Computer Science 2024-01-11 Yifei Zhou , Xuchu Huang , Jianyi Yang , Kai Ni , Hussam Amrouch , Cheng Zhuo , Xunzhao Yin

B2-ordered FeRh has been known to exhibit antiferromagnetic-ferromagnetic (AF-F) phase transitions in the vicinity of room temperature. Manipulation of the N\'eel order via AF-F phase transition and recent experimental observation of the…

Materials Science · Physics 2015-10-28 Takahiro Moriyama , Noriko Matsuzaki , Kab-Jin Kim , Ippei Suzuki , Tomoyasu Taniyama , Teruo Ono

For neuromorphic engineering to emulate the human brain, improving memory density with low power consumption is an indispensable but challenging goal. In this regard, emerging RRAMs have attracted considerable interest for their unique…

Unconventional ferroelectricity, robust at reduced nanoscale sizes, exhibited by hafnia-based thin-films presents tremendous opportunities in nanoelectronics. However, the exact nature of polarization switching remains controversial. Here,…

Memristors have been intensively studied in recent years as promising building blocks for next-generation non-volatile memory, artificial neural networks and brain-inspired computing systems. Even though the environment adaptability of…

Materials Science · Physics 2019-02-26 Nan Yang , Zhong-Qi Ren , Zhao Guan , Bo-Bo Tian , Ni Zhong , Ping-Hua Xiang , Chun-Gang Duan , Jun-Hao Chu

Two-dimensional (2D) van der Waals (vdW) multiferroics offer an attractive platform for four-state nonvolatile memory by combining switchable ferroelectric polarization and magnetization within a single material system. However, their…

Materials Science · Physics 2026-05-15 Zhibin Tan , Tao Wang , Hao Jin

Ferroelectric (Fe) materials-based devices show great promise for non-volatile memory applications, yet few demonstrate reliable operation at elevated temperatures. In this work, we demonstrate Ni/Al0.68Sc0.32N/4H-SiC…

Ferroelectric field-effect transistors (Fe-FETs) with ferroelectric hafnium oxide (FE HfO2) as gate insulator are being extensively explored as a promising device candidate for three-dimensional (3D) NAND memory application. FE HfO2…

Mesoscale and Nanoscale Physics · Physics 2021-10-04 Mengwei Si , Peide D. Ye

We analyse an associative memory based on a ferrofluid, consisting of a system of magnetic nano-particles suspended in a carrier fluid of variable viscosity subject to patterns of magnetic fields from an array of input and output magnetic…

Disordered Systems and Neural Networks · Physics 2013-11-27 R. Palm , V. Korenivski

Using metal-ferroelectric junctions as switchable diodes was proposed several decades ago. This was shown to actually work in PbZr(1-x)TixO3 (PZT) by Blom et al. [P.W. M. Blom et al., Phys. Rev. Lett. 73, 2107 (1994)], who reported…

Materials Science · Physics 2012-12-04 Saeedeh Farokhipoor , Beatriz Noheda

Electrical control of superconductivity is critical for nanoscale superconducting circuits including cryogenic memory elements, superconducting field-effect transistors (FETs), and gate-tunable qubits. Superconducting FETs operate through…

We propose non-volatile memory (NVM) designs based on Piezoelectric Strain FET (PeFET) utilizing a piezoelectric/ferroelectric (PE/FE such as PZT) coupled with 2D Transition Metal Dichalcogenide (2D-TMD such as MoS2) transistor. The…

Emerging Technologies · Computer Science 2023-06-07 Niharika Thakuria , Reena Elangovan , Anand Raghunathan , Sumeet K. Gupta

Conventionally, dc fields are used for switching dipole orientations in ferroelectrics. Such fields tilt the potential surface experienced by domain walls and thereby lower activation energies for their movement: escape from tilted…

Emerging analog resistive random access memory (RRAM) based on HfOx is an attractive device for non-von Neumann neuromorphic computing systems. The differences in temperature dependent conductance drift among cells hamper computing…

Emerging Technologies · Computer Science 2021-11-17 Heng Xu , Yue Sun , Yangyang Zhu , Xiaohu Wang , Guoxuan Qin

A central goal of electronics based on correlated materials or 'Mottronics' is the ability to switch between distinct collective states with a control voltage. Small changes in structure and charge density near a transition can tip the…

Recent advances in memory technologies, devices and materials have shown great potential for integration into neuromorphic electronic systems. However, a significant gap remains between the development of these materials and the realization…

Resistive memory-based reconfigurable systems constructed by CMOS-RRAM integration hold great promise for low energy and high throughput neuromorphic computing. However, most RRAM technologies relying on filamentary switching suffer from…