There has been strong demand for novel nonvolatile memory technology low-cost, large-area, and low-power flexible electronics applications. Resistive memories based on metal oxide thin films have extensively studied application as next-generation devices. However, although the resistive several advantages, such good scalability, consumption, fast switching speed, their to large-area substrates limited due material characteristics necessity of a high-temperature fabrication process. As...

The rapid expansion of renewable energy sources presents a great challenge to balance the electric grid due their intermittent and volatile nature. surplus generation cannot be used or sold so that it is curtailed in order maintain balance. excess power can converted into gaseous carrier, hydrogen via power-to-gas technology. Alkaline water electrolysis operated dynamic mode using on large scale. However, risk gas crossover across porous separator rapidly increases when electrolyzer operates...

With the development of Internet Things (IoT), indoor photovoltaics are attracting considerable interest owing to their potential benefit various IoT-related fields. Therefore, this study investigates use transparent hydrogenated amorphous silicon (a-Si:H) solar cells for a broad range applications, including light harvesting. High-gap triple layers were employed in a-Si:H obtain high shunt resistance and short-circuit current, JSC, open-circuit voltage, VOC, under illumination....

In this study, the back passivation layers (BPLs) were developed to protect hydrogenated amorphous silicon (a-Si:H) thin films of transparent solar cells from humidity and contaminants. Metal oxide compound with Al (Al2O3) Ti (AlxTiyOz (ATO)) fabricated by plasma-enhanced atomic layer deposition for BPLs on cells. The Al2O3 applied deposited in different thicknesses evaluate performance, ATO film thickness was fixed at 30 nm. Even thinnest nm, water vapor transmission rates very low 1.96 ×...

Abstract TiO 2 ‐based photo‐synaptic transistors employing a stacked SiO X /Al O 3 gate dielectric are fabricated. The trapped charges at the interface between and channel induce current threshold shift that displays synaptic behavior. When positive voltage pulse is applied, transfer curve shifts positively. In contrast, negatively under 365 nm wavelength UV pulses. magnitude of dependent on optical time. A 5 ms to negative direction but semiconducting properties maintained. Increasing time...

Abstract Herein, In x Ti y O films are successfully deposited via the atomic layer deposition method, which involves sub‐cycles of 2 3 and TiO application at a growth temperature 200 °C. an excellent alternative to for use in channels thin film transistors (TFTs), can be used avoid issues such as metal‐like conduction characteristics undesirable negative shifts. Adjusting addition enables modulation cut‐off wavelength UV region. However, adversely affects on‐current level. The content is...

Abstract Liquid metals and alloys are attracting renewed attention owing to their potential for application in various advanced technologies. Eutectic gallium‐indium (EGaIn) has been focused on particular because of its integrated advantages high conductivity, low melting point, toxicity. In this study, the colloidal behavior nano‐dispersed EGaIn nonpolar oils is investigated. Although oil continuous phase commonly considered be free electric charges, electrostatic repulsion appears crucial...

In the human brain, attention plays a crucial role in encoding information into memory. Therefore, focused during enhances likelihood of being effectively encoded and stored This phenomenon is creatively replicated our proposed synaptic devices, which regulate forgetting curves by manipulating gate voltage. Thus, transistor devices separate long-term memory from long-lasting TiO2-based transistors are used to replicate brain functions, vision processing retention. The photosensitive nature...

We investigated the (de)activation of Raney nickel-iron anodes in various oxygen evolution reaction (OER) environments using accelerated deactivation testing (ADT) under conditions on/off voltage control (ADT1), constant current density (ADT2), and cyclic voltammetry (ADT3). ADT1 caused activation OER by promoting leaching residual zinc thus increasing electrode surface area vacancy content, whereas was observed hydrogen reaction(H-ADT1). ADT2 decreased activity NiO formation iron leaching,...

Abstract For practical applications of photosynaptic devices in neuromorphic systems, transistors prepared using TiO 2 channels and /Al O 3 deep trap interfaces exhibit high stability retention. However, there is scope for improving properties such as large numbers analog states with good linearity sensitivity. Herein, HfO thin films high‐κ gate dielectric layers grown by plasma‐enhanced atomic layer deposition the Hf precursor methyl‐3‐cyclopentadiene propylamine bis(dimethylamino) hafnium...

This paper proposes a free-positioning magnetic resonance wireless power transfer system for biomedical devices. A bowl-shaped transmitting coil, which generates uniform field in the charge area, is used free-positioning. Two spiral receiver coils are attached on both sides of Rx device to be able receive device. Due very limited space, circuitry consists rectifier and battery charging IC controller. To maximize conversion efficiency at receiver, transmission controlled transmitter minimize...

This paper presents a design formula for printed spiral coil to ensure the maximum quality factor (Q-factor). The is composed of pattern's metal thickness, single pattern width, total and turn number, effective in megahertz (MHz) frequency range. During formula's design, resistance, self-inductance, Q-factor are calculated according ratio each width number different thicknesses, frequencies, widths using volume filament model (VFM). With given optimal individual can be determined Q-factor....

Neuromorphic devices have been investigated extensively for technological breakthroughs that could eventually replace conventional semiconductor devices. In contrast to other neuromorphic devices, the device proposed in this paper utilizes deep trap interfaces between channel layer and charge-inducing dielectrics (CID). The was fabricated using in-situ atomic deposition (ALD) sequential of CID oxide semiconductors. Upon application a gate bias pulse, an abrupt change conducting states...

Extreme Ultraviolet (EUV) is the most promising technology as substitute for multiple patterning based on ArF immersion lithography. If enough productivity can be accomplished, EUV will take main role in chip manufacturing. Since introduction of NXE3300, many significant results have been achieved source power and availability, but lots improvements are still required various aspects implementation lithography high volume Among them, it especially important to attain sensitivity resist...

We report realistic performance simulation results for a new MWIR camera. It is designed early detection of long distance missile plumes over few hundreds kilometer in the range. The camera design uses number refractive optical element and IR detector. Both imaging radiometric are investigated by using large scale ray tracing including targets background scene models. Missile plume radiance was calculated from CFD type radiative transfer algorithm used as light source computation....

Sulfonated poly(ether ether ketone) with pendant carboxylic acid groups was synthesized and used to prepare polymer electrolyte membranes for fuel cell applications. The cross-linking employed limit the extreme water uptake improve dimensional stability of membrane. compared Nafion 117, this cross-linked were likely far more robust. proton conductivity, uptake, methanol permeability, thermal performance investigated in order evaluate its CSPEEK-20% membrane exhibited a high conductivity 0.05...

In this paper, we propose a real-time system for counting people. The proposed uses an impulse radio ultra-wideband(IR-UWB) radar to estimate the number of people in given location. learning-based classification methods count more accurately. other words, feature vector database is constructed by exploiting pattern reflected signals, which depends on Subsequently, classifier trained using database. When newly received signal data acquired, automatically counts pre-trained classifier. We...

We study the power allocation problem for maximizing sum rate in orthogonal frequency-division multiplexing systems, where multiple point-to-point links share a set of subcarriers. This is hard to solve, general, due its nonconvexity. In this letter, we characterize conditions be convex, which case can solved efficiently using known algorithms such as gradient projection method. validate our analysis through simulations.

In this paper, we introduce a new practical and secure architecture for vehicular black-box image sharing in VANET, which consists of equipped vehicles, roadside units (RSUs) centralized traffic control server (TICS). our model, all vehicles that registered to TICS provide with their images so manages about the entire roads. Then, can obtain up-to-date any locations from real-time. For its efficient use, propose an RSU-assisted communication mechanism minimize communicational overheads,...

In the human brain, attention plays a critical role in encoding information into memory. Therefore, focused during enhances likelihood of being effectively encoded and stored This phenomenon has been creatively replicated our proposed synaptic devcies, which regulate forgetting curves by manipulating gate voltage. Thus, transistor devices seperate long-term memory from long-lasting TiO2-based transistors were used to replicate brain fucntions, vision processing retention. The photosensitive...

A recent air defense missile system is required to have a capability intercept short-range super-high speed targets such as tactical ballistic missile(TBMs) by performing engagement control efficiently. Since flight time and distance of TBM are very short, the should be ready engage soon it takes an indication launch. As result, has predict trajectory accurately with cueing information received from early warning system, designate search direction volume for own radar detect/track fast can,...