A5031002422- Advanced Memory and Neural Computing
- Magnetic properties of thin films
- Ferroelectric and Negative Capacitance Devices
- Power Systems and Renewable Energy
- Power Systems Fault Detection
- Neural Networks and Reservoir Computing
- High-Voltage Power Transmission Systems
- ZnO doping and properties
- Multiferroics and related materials
- Power Systems and Technologies
- Magnetic and transport properties of perovskites and related materials
- Electric Vehicles and Infrastructure
- Advanced Battery Technologies Research
- Nanoporous metals and alloys
- Smart Grid and Power Systems
- HVDC Systems and Fault Protection
- Plant Physiology and Cultivation Studies
- Advancements in Battery Materials
- Electric Power System Optimization
- Thermal Analysis in Power Transmission
- Sentiment Analysis and Opinion Mining
- Photonic Crystals and Applications
- Metamaterials and Metasurfaces Applications
- Physics of Superconductivity and Magnetism
- 2D Materials and Applications
Xiamen University Malaysia
2024
Nankai University
2023
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2023
Guangxi University
2022
China Electronic Information Industry Development
2021
Beihang University
2016-2019
University of California, Los Angeles
2018
Electric Power Research Institute
2018
Shinshu University
2017
Chinese University of Hong Kong, Shenzhen
2017
The well-known empirical phenomenon known as Moore's Law has held true for the past half century. However, it is beginning to break down, owing limitations arising from leakage currents caused by quantum effect. As a result, search alternatives or complementary technologies that can aid downscaling of metal-oxide-semiconductor (CMOS) technology been accelerated in field electronics. Among various potential candidates, spintronic attracted considerable interest and attention, especially...
Magnetic skyrmions are promising candidates for next-generation information carriers, owing to their small size, topological stability, and ultralow depinning current density. A wide variety of skyrmionic device concepts prototypes have been proposed, highlighting potential applications. Here, we report on a bioinspired with synaptic plasticity. The weight the proposed can be strengthened/weakened by positive/negative stimuli, mimicking potentiation/depression process biological synapse....
Neuromorphic computing, inspired by the biological nervous system, has attracted considerable attention. Intensive research been conducted in this field for developing artificial synapses and neurons, attempting to mimic behaviors of which are two basic elements a human brain. Recently, magnetic skyrmions have investigated as promising candidates neuromorphic computing design owing their topologically protected particle-like behaviors, nanoscale size low driving current density. In one our...
Magnetic skyrmion, vortex-like swirling topologically stable spin configurations, is appealing as information carrier for future nanoelectronics, owing to the stability, small size and extremely low driving current density. One of most promising applications skyrmion build racetrack memory (RM). Compared domain wall-based RM (DW-RM), skyrmion-based (Sky-RM) possesses quite a few benefits in terms energy, density speed etc. Until now, fundamental behaviors, including nucleation/annihilation,...
Racetrack memory (RM) has demonstrated great potential as nonvolatile mass storage in future advanced computer architectures. Domain wall (DW)-based RM first proposed 2008 by IBM, however, suffers from challenges, such density, scalability, and energy consumption. Recently, magnetic skyrmions, topologically protected particle-like spin textures, have expected to replace DWs new information carriers the design, owing their superiorities terms of topological stability, smaller size, well lower...
Abstract Lithium metal batteries (LMBs), based on high‐voltage (HV) LiNi x Co y Mn z O 2 (NCM, + = 1) materials, exhibit great potential for next‐generation electric vehicle (EV) cells. Nevertheless, the inevitable dissolution and shuttle of transition (TM) ions from NCM cathodes poses a threat to electrochemical sustainability LMBs, especially at high voltage temperatures. Herein, ethylene diamine tetraacetic acid (EDTA)‐grafted MOF‐808 is proposed serve as multifunctional ion‐selective...
Magnetic skyrmion holds promise as information carriers in the next-generation memory and logic devices, owing to topological stability, small size extremely low current needed drive it. One of most potential applications is design racetrack (RM), named Sk-RM, instead utilizing domain wall (DW). However, studies face some key challenges, e.g., manipulation, data representation synchronization etc. To address these we propose here a complementary Sk-RM structure with voltage manipulation....
The processing-in-memory (PIM) paradigm has been considered as a promising alternative to break the bottlenecks of conventional von-Neumann architecture by realizing unity data storage and processing in same die. On road toward implementing such an architecture, finding novel memory that can support both dense efficient logic is critical step. In this letter, we report voltage-controlled magnetic tunnel junction (MTJ), which potential candidate for PIM implementation. Stateful Boolean...
Magnetic skyrmion is a topologically protected domain-wall structure at nanoscale, which could serve as basic building block for advanced spintronic devices. Here, we propose microwave field-driven skyrmionic device with the transistor-like function, where motion of in voltage-gated ferromagnetic nanotrack studied by micromagnetic simulations. It demonstrated that field can drive exciting propagating spin waves, and be governed gate voltage. We also investigate current-assisted creation to...
Racetrack memory (RM) has been considered as one of the most attractive nonvolatile memories in future advanced computer architectures. Current RM is based on domain wall (DW) motion, which, however, some intrinsic limitations, such scalability, density, and energy consumption owing to physical property DW. Recently, magnetic skyrmion, new type spintronic object, emerged an alternative DW application. The advantageous features nanoscale size, topological stability, well ultralow depinning...
In this paper, we propose a "1-transistor 1-nanotrack" (1T1N) synapse based on the movement of magnetic skyrmions using spin-polarized current pulses. The proposed synaptic bit-cell has four terminals and fully decoupled spike transmission programming paths. With careful tuning parameters, ensure multi-level non-volatile conductance evolution in skyrmionic synapse. Through micromagnetic simulations, studied detail impact conditions (current density pulse width) performance such as number...
Magnetic skyrmions are swirling topological configurations, which mostly induced by chiral interactions between atomic spins in non-centrosymmetric magnetic bulks or thin films with broken inversion symmetry. They hold promise as information carriers future ultra-dense, low-power memory and logic devices owing to the nanocale size extremely low spin-polarized currents needed move them. To date, an intense research effort has led identification, creation/annihilation, motion manipulation of...
Battery swapping becomes one of the most important ways to supply energy for electric vehicles (EVs), since it takes a short time recharge and is convenient in managing. It leads growing popularity EVs develop battery station (BSS). This paper investigates optimization number EV (EVB) packs chargers station. The structure system operation strategy "charging immediately after swapping" first talked about. Then, EVB different states analyzed based on aforementioned strategy. We build...
We study the impact of Mg insertion layer at CoFeB|MgO interface on domain wall depinning field and motion as well other magnetic properties in a perpendicular magnetized Ta/CoFeB/Mg(wedged)/MgO structure. With increase from 0.4 nm to 0.8 nm, field-induced moving velocity increases while decreases. The minimum around 10 Oe for as-grown sample 7 annealed is found with layer, which 2 times lower than ones reported before. Further leads higher field. Similar phenomena happens such saturation...
Microelectronic technologies have been developing rapidly in the past half-century following famous Moore's Law. However, this tendency is beginning to break down due thermal effects induced by leakage current and data traffic. Spintronics sheds light on eliminating bottleneck using spin degree of electron, which attracts great attention from both academia industry. The magnetic skyrmion a particle-like texture with topological protection, envisioned as an energy efficient spintronic...
Magnetic domain-wall (DW) has been widely investigated for future memory and computing systems. However, energy efficiency stability become two major challenges of DW-based In this letter, we first propose exploiting skyrmions as on-chip inter-chip interconnects systems, owing to the topological stability, small size ultra-low depinning current density. proposed technique, data are processed in form DWs but transmitted instead skyrmions. The reversible conversion between a skyrmion DW pair...
Multimedia recommendation systems have many applications in our daily life. However, how accurately capture a customer's preference is an issue that difficult to deal with. The proposed Invariant Risk Minimization (IRM) and Empirical (ERM) are ways learn preference. Still, both frameworks show some limitations: although ERM performs excellently single environment, it fails generalize well when faced with multiple new domains. On the other hand, IRM learns invariant features across...
This paper studies mechanism of the action occurring when one point ground fault happens through analysis an accident caused by in DC system. points out that relay will be possible case system capacitor's discharging if distributed capacitance reaches a certain magnitude. Finally, this proposes corresponding solutions such as increasing interference and transforming insulation monitoring devices order to avoid accidents.
The elastic load on demand side can change with the fluctuation electricity price, so it could be modeled as adjustable cluster and involved into power dispatching traditional generation unit, which improve flexibility of system. Due to influence various factors, such response price is not timely, signal transmission delay, user's habits difficult changed, amount expected value always exist in a certain range deviation. In this paper, at risk (VaR) used measure loss caused by uncertainty...
Based on the radiation single loop distribution network, a uniform distributed constant power load model is established. basic principle of loss, formula reasoning carried out to calculate influence location, penetration levels and factor angle photovoltaic line loss under different distribution. Then, typical IEEE network with simulated. Finally, theoretical calculation affected by mentioned in background out, confirming that change rate this caused photovoltaic.
To solve the problem of harmonic analysis time-varying signals, an method based on linear interpolator is proposed. Firstly, noise in measuring equipment filtered by input filter, and then sample number signals a period guaranteed to be integer power 2 interpolator, cascade subtraction filters carried out. The sampled values cosine roll down window are used prevent energy from spreading side lobe. Since fundamental frequency system changes, control estimate feedback differentiator module...