Molecular dynamics simulations have been performed on three transmembrane cyclic peptide nanotubes, i.e., 8 × (WL)(n=3,4,5)/POPE (with uniform lengths but various radii) to investigate the radial dependences of water-chain structures, diffusions, and transportation properties. The diffusions individual water molecules collective coordinates all channel-water in systems are certified as unbiased Brownian motions. From very good linear relationships between MSDs time intervals, diffusion...

The recent discovery of memristive devices based on two-dimensional materials have attracted much interest for emerging applications flexible memory, neuromorphic computing, and so forth. Reducing the thickness to a single-layer level would prompt scaling limit sub-nanometer. However, monolayer vertical generally suffer inferior performance with high operating voltage, large leakage currents, poor reliability. In this study, an interfacial polymer layer is inserted between hexagonal boron...

The unprecedented operational complexity and security risks in operating the Chinese UHV AC/DC power grid calls for a new generation of real-time (sec-order) online analysis systems to provide decision support. Our recent Digital Twin based research development work address needs is presented. In addition, high-level solution architecture future proposed realizing: a) delay virtual model mirror physical sub-sec range; b) downstream applications could have sec-order responsiveness.

Inorganic halide perovskite microstructures have presented intriguing potential for the development of high-performance optoelectronic devices. To advance application inorganic microstructures, it is crucial to understand correlation between their morphologies and dynamic properties carriers. In this work, we investigated carrier dynamics in CsPbBr3 microrods microplates primarily by using femtosecond transient absorption spectroscopy. Our results reveal a giant band-gap renormalization...

Effects of the channel length and membrane thickness on water permeation through transmembrane cyclic octa-peptide nanotubes (octa-PNTs) have been studied by molecular dynamics (MD) simulations. The osmotic permeability (p(f)) PNTs k × (WL)(4)/POPE (1-palmitoyl-2-oleoyl-glycerophosphoethanolamine; = 6, 7, 8, 9, 10) was found to decay with (L) along axis (~L(-2.0)). Energetic analysis showed that a series binding sites exist in these PNTs, barriers ~3k(B)T, which elucidates tendency p(f)...

A quantitative analysis method for corrosion products based on terahertz spectroscopy is proposed in this paper. Mixture samples consisting of three major (magnetite, hematite, and goethite) were prepared 51 different concentrations. The refractive index spectra measured by time-domain projected to the 2D score diagram performing principal component analysis. Euclidean distances between mixtures pure analyte used build a concentration prediction model. results indicate that established model...

Electronic synapses based on memristive devices can potentially open a niche area for neuromorphic computing by replicating the function of biological with high fidelity. Recently, two-terminal memristors halide perovskites have demonstrated outstanding properties and variety synaptic characteristics, combining their additional advantages such as solution-processed fabrication method low crystalline temperature. However, concerns over chemical phase stability greatly hinder practical...

For transient stability analysis, the direct method runs fast but with poor accuracy due to over-simplification of component models; time-domain simulation is accurate time-consuming and thus not suitable for online application.In this paper, results Potential Energy Boundary Surface (PEBS) applied on examples actual system calculation are analyzed, range error discussed.Via complementarity method, a new hybrid proposed: in critical clearing time (CCT), result used as initial value then...

Canti-bridged epitaxial lateral overgrowth (CBELO) of GaN is performed by metalorganic chemical vapour deposition (MOCVD) on maskless V-grooved sapphire substrates prepared wet etching with different mesa widths. The wing tilt usually observed in ELO not found the CBELO wide widths, while it can be detected obviously narrow grown a grooved substrate controlled adjusting thickness nucleation layer. dependence layer studied. Cross-sectional scanning electron microscopy used to characterize...

A three-step growth process is developed for depositing high-quality aluminium-nitride (AlN) epilayers on (001) sapphire by low pressure metalorganic chemical vapour deposition (LP-MOCVD). We adopt a temperature (LT) AlN nucleation layer (NL), and two high (HT) layers with different V/III ratios. Our results reveal that the optimal NL 840–880°C, there exists proper switching from to ratio further reducing threading dislocations (TDs). The screw-type TD density of optimized film just 7.86 ×...

Abstract The 33 μm thick film vertical structure LEDs without any substrate were fabricated and their free standings successfully realized by laser lift‐off HVPE technology. Through the AFM analyses we know that irradiation can causes big damage to wafer. However, since have longer distance between irradiating plane quantum well than thin (3‐4 μm) LED on Cu or Si substrate, standing exhibited good electrical optical characteristics for less caused lift off process. It has also been proved...

In this paper, limitations of the online DSA based on real-time data are analyzed. And thus three kinds application modes proposed including analysis mode, intervention mode and trend mode. Concrete research purpose, source processing flow expounded respectively. Overall work on-line involved is introduced in detail. Coordinated operation various can avoid stability simply. A case practical presented to illustrate coordinated prove significance expansion. Practical results that provide...

A robust operation rule extracting algorithm is proposed based on adaptive time series association analysis here. It applied to extract knowledge among the accumulating massive data. data model describing system state and topological structure before/after fault happening built up at first. The initial abstract features are independent of scale a power system. recursive principal component method employed yield reduced-size feature space. then fed into associative analysis. For considering...

Because of its diversity, easy modification and other unique properties, conjugated organic oligomers have been widely used in the design synthesis molecular wires. The photoelectric property self-assembly single-moleculars are two critical points research molecules. self-assembled monolayer film containing oligo-polyphenylene ethynylene (OPE) building blocks, due to good optical has study electron transfer properties introduction ferrocene group greatly expands electrochemical application...

Abstract Two GaN samples, with and without high temperature (HT)‐AlN interlayer (labelled as sample A B, respectively) grown by MOCVD on AlN template, were investigated double‐crystal X‐ray diffraction (DC‐XRD), photoluminescence (PL), atomic force microscope (AFM) measurements. It was found that the crystal quality of could be greatly improved HT‐AlN interlayer. The full width at half maximum (FWHM) (102) reflection in XRD rocking curve narrower for than B. However, FWHMs (002) reflections...

Abstract This paper proposes a parallel algorithm of the electromagnetic electromechanical group decoupling based on dual master control, including hybrid simulation architecture transient interface, data transmission simulation, and corresponding network splitting method, generation scheme subnet control scheme. The new can greatly improve computing efficiency meet requirements accuracy. By realization performance ADPSS is improved, which support large-scale AC DC power grid.

The high sensitivity and selectivity of metamaterial sensors are attractive in many research fields. In this paper, a continuous wave terahertz frequency domain spectrometer is used to characterize the designed SRR structures water vapor environment. We show whole process from simulation design experimental verification metasurface sensor based on square split-ring resonator. range 0.9-1.4 THz, by adjusting geometric configuration, we theoretically three periodic with different resonant...

Abstract In the PDF file of paper by Y. B. Tao et al. [Phys. Status Solidi C 6 , S317 (2009)], published online 7 May 2009, a wrong image was loaded: in place Fig. 2, inadvertently 1 shown again. This Erratum displays Figs. and 2 properly. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Zero-dimensional (0D) lead-free perovskites hold promise for efficient optoelectronic and photonic devices, but there are still critical challenges in fabricating large-area, high-quality thin films practical applications. Herein, we report a simple vapor route to prepare 0D Cs3Cu2I5 perovskite of high optical quality over large areas. Importantly, the deposition approach can be applied diverse substrates, including mica, fused silica, MgO, indium tin-oxide (ITO) coated glass. The deposited...