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Recyclingg plastic Waste into multifunctional superhydrophobic textiles

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Nano Research 2022年第11期15卷 9921-9925页

作者： Qinglang Ma Zhiying Wu Vlad andrei Neacșu sai Zhao Yu Chai Hua Zhang Frontiers science Center for High Energy Material Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsKey Laboratory of Cluster ScienceMinistry of EducationAdvanced Research Institute of Multidisciplinary ScienceSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081China Department of Chemistry City University of Hong KongHong Kong 999077China Hong Kong Branch of National Precious Metals Material Engineering Research Center(NPMM) City University of Hong KongHong Kong 999077China shenzhen Research Institute City University of Hong KongShenzhen 518057China Center for Programmable Materials School of Materials Science and EngineeringNanyang Technological University50 Nanyang AvenueSingapore 639798Singapore Department of Physics City University of Hong KongHong Kong 999077China

The plastic pollution has become one of the top environmental *** effort has been devoted into recycling waste plastic materials in a facile and economical *** this work,we have successfully recycled a common type of plastic waste,i.e.,polystyrene(Ps),into value-added functional materials through a cost-effective and facile dip-coating *** resulted mixture of waste Ps and siO_(2),referred to as Ps/siO_(2),coated textile material is superhydrophobic and superoleophilic,showing an excellent resistance towards corrosive solutions(acid,alkaline,and saline),high temperature treatment,and mechanical *** a proof-of-concept application,the Ps/siO_(2)-coated textile is used to selectively separate oil/water mixtures through either absorption or filtration *** also exhibits a surface self-cleaning property,which may be used as fabrics for dust-preventing *** work offers a new strategy to treat the waste for preparation of novel low-cost superhydrophobic materials for various applications.

关键词： waste recycling superhydrophobic oil water separation self-cleaning

Design of broadband terahertz vector and vortex beams: I. Review of materials and components

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Light(Advanced Manufacturing) 2022年第4期3卷 126-144页

作者： Nikolay V.Petrov Bogdan sokolenko Maksim s.Kulya andrei Gorodetsky Aleksey V.Chernykh Digital and Display Holography Laboratory ITMO UniversitySt.Petersburg 197101Russia V.I.Vernadsky Crimean Federal University Simferopol 295007Russia school of Physics and Astronomy University of BirminghamBirmingham B152TTUK

In this paper,we review the existing approaches for vortex and vector beam shaping and generation in the terahertz frequency *** particular focus of this review is on the possibility of homogeneous topological charge formation in the ultra-wide spectral interval inherent to ultrashort terahertz *** review the available materials and components,analyse proposed and potentially possible solutions for broadband terahertz vortex and vector beam shaping,compare all developed approaches,and put forward a unified concept for constructing passive shapers of such beams from the existing component base.

关键词： Terahertz radiation Vortex beams Vector beams Achromatic wave plates Broadband terahertz radiation Digital holography Terahertz holography Total internal reflection Metasurface THz liquid crystals Geometric phase

Design of broadband terahertz vector and vortex beams: II. Holographic assessment

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Light(Advanced Manufacturing) 2022年第4期3卷 14-26页

In this paper,we demonstrate the capabilities of the terahertz pulse time-domain holography in visualisation,simulation,and assessment of broadband THz vortex beam formation dynamics upon its shaping by elements of beam converter,and further propagation and *** adding Jones matrix formalism to describe broadband optical elements,we highlight the differences in the spatio-spectral and spatio-temporal structure of the formed vortex and vector beams dependence on the modulator used and visualise their modal *** influence of diffraction field structure from each element in the broadband vortex modulator is revealed in numerical simulation and the formed beams are analysed against the simplified Laguerre-Gaussian beam model.

关键词： Terahertz radiation Vortex beams Vector beams Achromatic wave plates Broadband terahertz radiation Digital holography Terahertz holography

Hybrid Triboelectric-Electromagnetic Nanogenerators for Mechanical Energy Harvesting:A Review

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Nano-Micro Letters 2021年第12期13卷 163-220页

作者： Joao V.Vidal Vladislav slabov andrei L.Kholkin Marco P.soares dos santos Department of Physics and CICECO-Aveiro Institute of Materials University of Aveiro3810-193 AveiroPortugal Department of Physics and I3N University of Aveiro3810-193 AveiroPortugal Laboratory of Functional Low-Dimensional structures National University of Science and Technology MISISMoscowRussia Department of Mechanical Engineering Centre for Mechanical Technology and Automation(TEMA)University of Aveiro3810-193 AveiroPortugal

Motion-driven electromagnetictriboelectric energy generators(E-TENGs) hold a Hybrid triboelectric-electromagnetic generators C A Bgreat potential to provide higher voltages,higher currents and wider operating bandwidths than Cantilever generators1 μm both electromagnetic and triboelectric generators Rotating generatorssliding generators standing alone. Therefore,they are promising solutions to autonomously supply a broad range of Flexible blade generators Magnetoelectric highly sophisticated devices. This paper provides generators a thorough review focused on major recent breakLinear generators Multidimensional generators throughs in the area of electromagnetic-triboelectric vibrational energy harvesting. A detailed Pendulum generators analysis was conducted on various architectures including rotational,pendulum,linear,sliding,cantilever,flexible blade,multidimensional and 1 cm magnetoelectric,and the following hybrid technologies. They enable highly e cient ways to harvest electric energy from many forms of vibrational,rotational,biomechanical,wave,wind and thermal sources,among others. Open-circuit voltages up to 75 V,short-circuit currents up to 60 mA and instantaneous power up to 144 mW were already achieved by these nanogenerators. Their transduction mechanisms,including proposed models to make intelligible the involved physical phenomena,are also overviewed here. A comprehensive analysis was performed to compare their respective construction designs,external excitations and electric outputs. The results highlight the potential of hybrid E-TENGs to convert unused mechanical motion into electric energy for both large-and small-scale ***,this paper proposes future research directions toward optimization of energy conversion e ciency,power management,durability and stability,packaging,energy storage,operation input,research of transduction mechanisms,quantitative standardization,system integration,miniaturization and multi-energy hybrid cells.

关键词： E-TENG Hybrid triboelectric-electromagnetic Nanogenerators Energy harvesting

syn-rift to post-rift tectonic transition and drainage reorganization in continental rifting basins:Detrital zircon analysis from the songliao Basin,NE China

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Geoscience Frontiers 2022年第3期13卷 210-224页

作者： Ying song Jianye Ren Keyu Liu Dawei Lyu Xinjie Feng Yuan Liu andrei stepashko shandong Provincial Key Laboratory of Deep Oil&Gas China University of Petroleum(East China)Qingdao 266580China Department of Geology China University of Petroleum(East China)Qingdao 266580China Geology Department University of Illinois at Urbana-ChampaignUnited States Key Laboratory of Tectonics and Petroleum Resources Ministry of EducationChina University of Geosciences(Wuhan)Wuhan 430074China CsIRO Energy KensingtonWestern AustraliaAustralia shandong Provincial Key Laboratory of Depositional Mineralization and sedimentary Minerals Shandong University of Science and TechnologyQingdao 266580China Kosygin Institute of Tectonics and Geophysics Far Eastern BranchRussian Academy of SciencesKhabarovskRussia

Tectonic transition from a syn-rift stage to subsequent post-rift stage is an important mechanism in the evolution of extensional *** sedimentary infill records the crustal response to this *** have obtained new detrital zircon U-Pb and Lu-Hf signatures from the Lower Cretaceous stratigraphic successions encompassing the commonly accepted syn-to post-rift transition boundary,the T4 unconformity,in the songliao Basin,NE *** constrain the songliao Basin’s evolution from its center to distal margins,providing insights into the sediment provenance and dispersal pattern over the tectonic *** of zircons from the syn-rift(the shahezi and Yingcheng formations)and immediate post-rift(the Lower and Middle Denglouku Formation)stages reveals Phanerozoic age populations with positiveƐHf(t)values,which were derived from the proximal juvenile mantle-derived melt origin bedrocks of the songliao *** contrast,the overlying samples from the Upper Denglouku Formation deposited in the subsequent post-rift stage contain exotic and ancient zircon populations with ages of 2.5 Ga&1.8 Ga and complex hafnium signatures,characteristic of a mixed *** are interpreted to be transported from distant cratonic terranes via larger drainage *** is obvious that the sediment dispersal pattern switched from being a local and hydrologically closed“intraregional”pattern to a“transcontinental”pattern during the *** time lag between the development of the T4 unconformity and the drainage reorganization also ensures a distinguishable3 Myr(106103 Ma,Late Albian)transition period of regional *** this transition stage,syn-rift faulting was replaced by postrift thermal subsidence,exhibiting a uniform sag *** new findings are important for understanding other continental rift basins during syn-to post-rift transition,which often demonstrates a complex interaction between the linkage and integration of sub-basins,and the

关键词： Rifting basin songliao Basin Detrital geochronology Drainage reorganization Paleogeography

The Basic Components of software-Hardware system for Modeling and Control of the Toroidal Plasma by Epsilon-Nets on Heterogeneous Mini-supercomputers

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Communications in Computational Physics 2018年第6期24卷 1-26页

作者： Fedor s.Zaitsev Alexei G.shishkin andrei A.Lukianitsa Egor P.suchkov sergei V.stepanov Fedor A.Anikeev scientific Research Institute of system Development Russian Academy of SciencesNakhimovsky prosp.26 b.1117218MoscowRussia Moscow state University Department of Computational Mathematics and CyberneticsLenin’s Hills119991MoscowRussia.

A significant step towards the comprehensive solution of the important new fundamental control problems of high-temperature plasma of toroidal configuration is made by utilizing heterogeneous mini-supercomputers of NIIsI RAs(scientific Research Institute of system Development,Russian Academy of science).The basic components of hardware and software modeling system and automatic real-time plasma feedback control are developed and *** system is named HAsP Cs(Hardware-software Plasma Control system).It is based on a fundamentally new,more accurate and reliable control algorithm using a solution with a given accuracy of a number of inverse diagnostic problems by ∈-*** possibility of an application of the proposed technique during discharge time to provide feedback control of the boundary and internal plasma parameters is *** is shown that the complex allows investigating the processes in currently operated and designed fusion devices and solving problems of fusion application for energy *** recommendations to the engineering implementation of plasma control systems are *** directions for further research are formulated.

关键词： Control problem ∈-net plasma tokamak modeling

Compressively-strained Gasb nanowires with core-shell heterostructures

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Nano Research 2020年第9期13卷 2517-2524页

作者： Zhongyunshen Zhu Johannes svensson Axel R.Persson Reine Wallenberg andrei V.Gromov Lars-Erik Wernersson Departm ent of Electrical and Information Technology Lund UniversityBox 11822100 LundSweden Centre for Analysis and synthesis Lund UniversityBox 12422100 Lundt Sweden NanoLund Lund UniversityBox 11822100 LundSweden EastCHEM School of ChemistryUniversity of EdinburghEdinburgh EH93FJUK

Gasb-based nanowires in a gate-all-around geometry are good candidates for binary p-type transistors,however they require the introduction of compressive strain to enhance the transport ***,we for the first time demonstrate epitaxial Gasb-GaAsxsb1-x core-shell nanowires with a compressively strained *** axial and hydrostatic strain in Gasb core have been measured by X-ray diffraction(XRD)and Raman scattering,*** optimal sample,almost without plastic relaxation,has an axial strain of-0.88%and a hydrostatic strain of-1.46%,leading to a noticeable effect where the light hole band is calculated to be 33.4 meV above the heavy hole band at the *** valence band feature offers more light holes to contribute the transport process,and thus may provide enhanced hole mobility by reducing both the interband scattering and the hole effective *** results show that lattice-mismatched epitaxial core-shell heterostructures of high quality can also be realized in the promising yet demanding Gasb-based system.

关键词： compressive strain Gasb-GaAsxsbi-x core-shell nanowires heterostructure p-type transistors

Quantifying Information via shannon Entropy in spatially structured Optical Beams

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Research 2021年第1期2021卷 780-788页

作者： Maria solyanik-Gorgone Jiachi Ye Mario Miscuglio andrei Afanasev Alan E.Willner Volker J.sorger Department of Electrical and Computer Engineering The George Washington UniversityWashingtonDC 20052USA Department of Physics The George Washington UniversityWashingtonDC 20052USA Department of Electrical Engineering at University of southern California Los AngelesCalifornia 90089USA

While information is ubiquitously generated,shared,and analyzed in a modern-day life,there is still some controversy around the ways to assess the amount and quality of information inside a noisy optical channel.A number of theoretical approaches based on,e.g.,conditional shannon entropy and Fisher information have been developed,along with some experimental *** of these approaches are limited to a certain alphabet,while others tend to fall short when considering optical beams with a nontrivial structure,such as Hermite-Gauss,Laguerre-Gauss,and other modes with a nontrivial ***,we propose a new definition of the classical shannon information via the Wigner distribution function,while respecting the Heisenberg *** this definition,we calculate the amount of information in Gaussian,Hermite-Gaussian,and LaguerreGaussian laser modes in juxtaposition and experimentally validate it by reconstruction of the Wigner distribution function from the intensity distribution of structured laser *** experimentally demonstrate the technique that allows to infer field structure of the laser beams in singular optics to assess the amount of contained *** the generality,this approach of defining information via analyzing the beam complexity is applicable to laser modes of any topology that can be described by well-behaved *** shannon information,defined in this way,is detached from a particular alphabet,i.e.,communication scheme,and scales with the structural complexity of the *** a synergy between the Wigner distribution function encompassing the information in both real and reciprocal space and information being a measure of disorder can contribute into future coherent detection algorithms and remote sensing.

关键词： distribution spatial complexity

Emerging 2D magnetic states in a graphene-based monolayer of EuC_(6)

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Nano Research 2022年第1期15卷 408-413页

作者： Ivan s.sokolov Dmitry V.Averyanov Fabrice Wilhelm andrei Rogalev Oleg E.Parfenov Alexander N.Taldenkov Igor A.Karateev Andrey M.Tokmachev Vyacheslav G.storchak National Research Center“Kurchatov Institute” Kurchatov Sq.1Moscow 123182Russia EsRF-The European synchrotron CS 4022038043 Grenoble Cedex 9France

Recent discoveries of intrinsic two-dimensional(2D)magnets open up vast opportunities to address fundamental problems in condensed matter physics,giving rise to applications from ultra-compact spintronics to quantum *** ever-growing material landscape of 2D magnets lacks,however,carbon-based systems,prominent in other areas of 2D *** measurements of the Eu/graphene compound-a monolayer of the EuC_(6) stoichiometry-reveal the emergence of 2D ferromagnetism but detailed studies of competing magnetic states are still ***,we employ element-selective X-ray absorption spectroscopy(XAs)and magnetic circular dichroism(XMCD)to establish the magnetic structure of monolayer *** system exhibits the anomalous Hall effect,negative magnetoresistance,and magnetization consistent with a ferromagnetic state but the saturation magnetic moment(about 2.5/%/Eu)is way too low for the half-filled f-shells of Eu^(2+)*** XAs/XMCD studies at the Eu L3 absorption edge probe the EuC6 magnetism in high fields and reveal the nature of the missing magnetic *** results are set against XMCD studies in Eu/silicene and Eu/germanene to establish monolayer EuC6 as a prominent member of the family of Eu-based 2D magnets combining the celebrated graphene properties with a strong magnetism of europium.

关键词： two-dimensional(2D)ferromagnetism graphene EuC_(6) X-ray magnetic circular dichroism(XMCD) monolayer