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Comparative Study of Performance for Different Winding Connections of Dual-channel Switched Reluctance Machine Using Frozen Permeability

Xiupeng Cui、Jianbo Sun、Chenglin Gu2018-12-01OpenAlex

Inductance characteristics play an important role in the output torque of the switched reluctance motor (SRM) whereas the windings connection form affects the mutual coupling between phases. According to the magnetic polarity models, dual-channel switched reluctance machine (DCSRM) with NNNSSSNNNSSS winding polarity i…

Electric Motor Design and AnalysisMagnetic Properties and ApplicationsMagnetic Bearings and Levitation Dynamics

Nanostructured device based on coated ZnO layer as a window in solar cell applications

H. Mokhtari、M. Benhaliliba、A. Boukhachem 等 5 位作者2018-12-01Materials Science-Poland

Abstract This work highlights some physical properties related to the influence of aluminum, tin and copper incorporation on nanostructured zinc oxide (ZnO:M; M:Al, Sn and Cu) thin films prepared by ultrasonic spray pyrolysis technique (USP) on glass substrate at 350±5 °C. For the as-grown layers, M- to Zn-ratio was f…

ZnO doping and propertiesChalcogenide Semiconductor Thin FilmsSemiconductor materials and interfaces

Ultrafast investigation of excited-state dynamics in trans-4-methoxyazobenzene studied by femtosecond transient absorption spectroscopy

Changwen Zhang、Chunhua Li、Bing Zhang 等 5 位作者2018-12-01Chinese Journal of Chemical Physics

The ultrafast photoisomerization and excited-state dynamics of trans-4-methoxyazobenzene (trans-4-MAB) in solutions were investigated by femtosecond transient absorption spectroscopy and quantum chemistry calculations. After being excited to the S2 state, the two-dimensional transient absorptions spectra show that cis…

Photochemistry and Electron Transfer StudiesPhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics research

Inorganic Protection of Polymer Nanocapsules: A Strategy to Improve the Efficiency of Encapsulated Optically Active Molecules

Kartheek Katta、Dmitry Busko、Katharina Landfester 等 5 位作者2018-12-01Israel Journal of Chemistry

Abstract We demonstrate that the efficiency under ambient conditions of optically active molecules encapsulated in polymer nanocapsules can be significantly improved by depositing an inorganic layer onto the polymeric shell. A triplet‐triplet annihilation upconversion (TTA‐UC) system consisting of a porphyrin derivati…

Luminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsCovalent Organic Framework Applications

The response of prion genic variation to selection for scrapie resistance in Hungarian indigenous sheep breeds

András Gáspárdy、Viktoria Holly、Petra Zenke 等 7 位作者2018-12-01Acta Veterinaria Hungarica

The authors studied the present status of Hungarian indigenous sheep breeds based on the genetic background of scrapie resistance. The aim of this investigation was to estimate the relative frequency of prion haplotypes, genotypes and risk categories, as well as to reveal the efficiency of the scrapie eradication prog…

Trace Elements in HealthPrion Diseases and Protein MisfoldingMetallurgy and Material Science

Effect of Microwave Radiation on the Solvent-Free Synthesis of MOF-199

А. К. Куделин2018-12-01Russian Journal of Physical Chemistry A

Abstract MOF-199 was synthesized in two ways: mechanochemical and microwave activation. The synthesized materials were characterized by X-ray diffraction and the Klyachko–Gurvich technique of measuring their specific surface areas. Rotational spectra were modeled for compounds representing the most important ligands i…

Metal-Organic Frameworks: Synthesis and ApplicationsChemical Synthesis and ReactionsX-ray Diffraction in Crystallography

Impact of selected nanoparticles on wastewater treatment efficiency

Magdalena Madeła、Anna Grobelak、Ewa Neczaj2018-12-01Desalination and Water Treatment

ABSTRACT The widespread application of nanoparticles (NPs) in commercial and industrial products inevitably increases their release into the natural environment which may do harm to human health and cause many environmental problems. The nanoparticles in wastewater treatment systems showed that most NPs are retained i…

Nanoparticles: synthesis and applicationsEnvironmental remediation with nanomaterials

Gold Nanoparticles-embedded MAPbI3 Perovskite Thin Films

Hyojung Kim、Hye Ryung Byun、Bora Kim 等 4 位作者2018-12-01Journal of the Korean Physical Society

We synthesized the gold nanoparticles (Au NPs)-embedded methylammonium lead iodide (MAPbI 3 ) film for the first time. The effects of metal nanoparticles on MAPbI 3 perovskite were systematically studied using UV-Vis absorption and photoluminescence (PL) measurements. As a result, the 20-nm-sized Au NPs-embedded MAPbI…

Perovskite Materials and Applications2D Materials and ApplicationsChalcogenide Semiconductor Thin Films

Hydrogen Electrocatalysis: Self‐Assembly of Large‐Area 2D Polycrystalline Transition Metal Carbides for Hydrogen Electrocatalysis (Adv. Mater. 50/2018)

Xining Zang、Wenshu Chen、Xiaolong Zou 等 12 位作者2018-12-01Advanced Materials

In article 1805188, Xining Zang, Jiajun Gu, Liwei Lin, and co-workers develop a self-assembly process to synthesize two-dimensional transition metal carbides (≈10 nm thickness and ≈100 µm lateral size). The metal ions (Mo, Co, W) self-organize within a gelatin template into a lamellar nanostructure (metallo-hydrogel).…

Advanced Photocatalysis TechniquesCatalytic Processes in Materials ScienceGas Sensing Nanomaterials and Sensors

Effect of Cold-Deformation on Austenite Grain Growth Behavior in Solution-Treated Low Alloy Steel

Xianguang Zhang、Kiyotaka Matsuura、Munekazu Ohno2018-12-01Metals

The occurrence of abnormal grain growth (AGG) of austenite during annealing is a serious problem in steels with carbide and/or nitride particles, which should be avoided from a viewpoint of mechanical properties. The effects of cold deformation prior to annealing on the occurrence of AGG have been investigated. It was…

Microstructure and Mechanical Properties of SteelsMetallurgy and Material FormingMetal Alloys Wear and Properties

Magnetic Skyrmions: Current‐Induced Skyrmion Generation through Morphological Thermal Transitions in Chiral Ferromagnetic Heterostructures (Adv. Mater. 49/2018)

Ivan Lemesh、Kai Litzius、Marie Böttcher 等 19 位作者2018-12-01Advanced Materials

Magnetic skyrmions are particle-like chiral twists of the magnetization that promise advances in spin-based data storage and logic device applications. In article number 1805461, Mathias Kläui, Geoffrey S. D. Beach, and co-workers examine current-induced generation of skyrmions in heavy-metal/ferromagnet multilayers a…

Magnetic properties of thin filmsMetallic Glasses and Amorphous AlloysHydrogen Storage and Materials

Effect of calcination temperature on phase evolution and photoluminescent properties of GdPO4:Eu3+ nanoparticle phosphors synthesized by combustion method

Thai Thi Dieu Hien、Pham Duc Roan、Nguyen Trong Thanh 等 5 位作者2018-12-01Vietnam Journal of Chemistry

Abstract Eu3+ ‐doped GdPO4 nanoparticles were synthesized by a straightforward combustion method using urea as fuel and metal nitrates as precursors. Structures, morphologies and photoluminescent properties of the synthesized samples were studied by X‐ray diffraction, scanning electron microscopy and photoluminescent…

Luminescence Properties of Advanced MaterialsGas Sensing Nanomaterials and SensorsPigment Synthesis and Properties

Comparative Study on Cu2ZnSnS4 (CZTS) Thin Film using Different Sulfur Precursor

Sara Azmi、El Mati Khoumri、Mohssine El Marrakchi 等 7 位作者2018-12-01OpenAlex

This work involves the synthesis and the characterization of CZTS layers. The films were prepared on ITO/glass substrate by one step electrodeposition technic without using the sulfurization step and compared with CZTS films prepared by sulfurization of electrodeposited Cu-Sn-Zn precursors. By adding Thiourea as a sul…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Elastic Phonon Dephasing in Zigzag Graphene Nanoribbon

Shaid Hasan、Nashmin Alam、Nazmul Amin 等 4 位作者2018-12-01OpenAlex

Ballistic and coherent transport is an emerging field of research for nanoscale electronic and optoelectronic devices [1]. In this work, we have investigated coherent electron transport in zigzag graphene nanoribbon (ZGNR) for elastic phonon dephasing. A comparison between two phonon dephasing mechanism which are mome…

Graphene research and applicationsQuantum and electron transport phenomenaAdvancements in Semiconductor Devices and Circuit Design

Radiation-Damaged Tungsten: Production and Study in a Steady-State Plasma Flux

B.I. Khripunov、V. S. Koǐdan、A. I. Ryazanov 等 10 位作者2018-12-01Physics of Atomic Nuclei

The effect of deuterium plasma on tungsten with high levels of radiation damage was studied experimentally. Tungsten was examined as a candidate plasma-facing material for a fusion reactor. The effect of damage accumulation in a material irradiated with fusion neutrons was simulated using high-energy ions. Primary rad…

Fusion materials and technologiesNuclear Materials and PropertiesAdvanced materials and composites

The Performances of Hybrid Filter in Elimination of AC-AC Converters Harmonics Pollution

Ibtissam Bessadet、Hamza Tédjini2018-12-01OpenAlex

This paper presents a perturbed system based three phase AC-AC converters as a non-linear load, we use cyclo-converter and three phase AC-AC controller, the shunt hybrid power filter (SHPF) is proposed to be deleted harmonic and approve reactive power compensation. The SHPF is the combination of a small-rating active…

Multilevel Inverters and ConvertersPower Quality and HarmonicsMagnetic Properties and Applications

Borazine Thermal Decomposition in Unsaturated Vapor

Artem S. Zavgorodnii、Alexey Y. Timoshkin2018-12-01Russian Journal of General Chemistry

The temperature dependence of vapor pressure over liquid and solid borazine has been measured by static tensiometry method with a membrane null-manometer at 200–259 K. Gas-phase heat-induced decomposition of borazine in its unsaturated vapor has been studied over the 373–473 K range.

Hydrogen Storage and Materialsnanoparticles nucleation surface interactionsSpacecraft and Cryogenic Technologies

Analysis of the Effect of Physico-Mechanical Characteristics of Cumulative Liner Material on Parameters of a High-Speed Element

Колпаков Владимир Иванович、S. V. Ladov、Ya. M. Nikol’skaya 等 4 位作者2018-12-01Technical Physics

Abstract In this paper, we present the results of numerical simulation of explosive formation of a high-speed compact element from copper, steel, and aluminum cumulative liners combining the shape of a hemispherical segment smoothly converting into a cylindrical surface (“hemisphere–cylinder” liners). The problem is s…

Industrial Engineering and TechnologiesEngineering Technology and MethodologiesMaterial Properties and Applications

Synthesis of Polymer-Drug Conjugates Using Natural Polymer: What, Why and How?

作者信息未提供2018-12-01Pharmaceutical Sciences and Research

For years, natural polymers have played a significant role in pharmaceutical field due to their biocompatibility and biodegradability. In Indonesia, most research in natural polymers focus on application of the polymers as inert pharmaceutical excipients or as drug matrix in micro- and nano- particle. Meanwhile, resea…

Nanoparticle-Based Drug Deliverybiodegradable polymer synthesis and propertiesAdvanced Drug Delivery Systems

Wear Behaviors of Three Typical Bulk Metallic Glasses in Bearing Applications

Dong-Hui Wang、Shenghui Xie、Haipeng Yang 等 5 位作者2018-12-01Metals

In bearing applications, the development of new materials has become a focus of scientific research in order to make bearing systems smaller and rotate more accurately. Bulk metallic glass (BMG), which has high strength, stiffness and resistance to corrosion, is becoming a promising candidate for bearing and shaft mat…

Glass properties and applicationsMetallic Glasses and Amorphous AlloysElectromagnetic wave absorption materials