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Addition of Zn during the phosphine-based synthesis of indium phospide quantum dots: doping and surface passivation

Natalia E. Mordvinova、Alexander A. Vinokurov、Oleg I. Lebedev 等 5 位作者2015-06-01Beilstein Journal of Nanotechnology

Zinc-doped InP(Zn) colloidal quantum dots (QDs) with narrow size distribution and low defect concentration were grown for the first time via a novel phosphine synthetic route and over a wide range of Zn doping. We report the influence of Zn on the optical properties of the obtained quantum dots. We propose a mechanism…

Semiconductor Quantum Structures and DevicesQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Wettability of water droplet on misoriented graphene bilayer sructure: A molecular dynamics study

Qingchang Liu、Baoxing Xu2015-06-01AIP Advances

Graphene continues to attract growing attention with its exceptional physical and mechanical properties, and more than one layer graphene structure with an orientation mismatch is often involved in practice. Using molecular dynamics (MD) simulations, we report the wettability of water droplet on a misoriented graphene…

Graphene research and applicationsSurface Modification and SuperhydrophobicityNanopore and Nanochannel Transport Studies

Composition and Genesis of the Nickel-Chrome-Bearing Nontronite and Montmorillonite in Lateritized Ultramafic Rocks in the Muratdği Region (Uşak, Western Anatolia), Turkey

Selahattın Kadır、M. Selman Aydoğan、Ömer Elıtok 等 4 位作者2015-06-01Clays and Clay Minerals

Abstract Widespread lateritized ultramafic rocks in the southern part of the Muratdağı region of Turkey constitute a significant source of Ni-Cr-bearing ore with economic potential. However, no mineralogical or geochemical characterizations of these important materials have been performed previously. The aim of the pr…

Geological and Geochemical Analysisearthquake and tectonic studiesClay minerals and soil interactions

In-situ investigation of graphene oxide under UV irradiation: Evolution of work function

Jun Li、Xiang Qi、Guolin Hao 等 5 位作者2015-06-01AIP Advances

Using in-situ Kelvin probe force microscopy (KPFM) to measure surface potential, we investigated the time-dependent work function evolution of solution-processed graphene oxide (GO) under ultraviolet (UV) irradiation. We found that the work function of GO exposed in UV shows a notable decrease with increasing irradiat…

Graphene research and applicationsMolecular Junctions and NanostructuresNanowire Synthesis and Applications

Effect of thermo-mechanical treatment on mechanical and elastic properties of Ti–36Nb–5Zr alloy

Qingkun Meng、Qing Liu、Shun Guo 等 5 位作者2015-06-01Progress in Natural Science Materials International

The evolutions of phase constitutions and mechanical properties of a β-phaseTi–36Nb–5Zr (wt%) alloy during thermo-mechanical treatment were investigated. The alloy consisted of dual (β+α″) phase and exhibited a double yielding phenomenon in solution treated state. After cold rolling and subsequent annealing at 698 K f…

Orthopaedic implants and arthroplastyIntermetallics and Advanced Alloy PropertiesTitanium Alloys Microstructure and Properties

Convenient Fabrication of Electrospun Prolamin Protein Delivery System with Three-Dimensional Shapeability and Resistance to Fouling

Yixiang Wang、Jingqi Yang、Lingyun Chen2015-06-01ACS Applied Materials & Interfaces

It has been newly discovered that by simply altering the applied voltage, the resultant electrospun prolamin protein fabrics can rapidly (within 30 s) form either flat sheets or self-rolled tubes when immersed in water. This phenomenon opens up many potential biomedical applications for drug delivery. The morphology a…

Advanced Sensor and Energy Harvesting MaterialsElectrospun Nanofibers in Biomedical ApplicationsSilk-based biomaterials and applications

Shape and Confinement Effects of Various Terminal Siloxane Groups on Supramolecular Interactions of Hydrogen-Bonded Bent-Core Liquid Crystals

I‐Hung Chiang、Wei‐Tsung Chuang、Chia-Lin Lu 等 5 位作者2015-06-01Chemistry of Materials

To investigate the shape and confinement effects of the terminal siloxane groups on the self-assembled behavior of molecular arrangements in hydrogen-bonded (H-bonded) bent-core complexes, four H-bonded bent-core complexes S1, P1, C4, and P8 with string-, ring-, and cage-like siloxane termini (i.e., linear siloxane un…

Liquid Crystal Research AdvancementsMesoporous Materials and CatalysisSilicone and Siloxane Chemistry

Quantitatively mimicking wet colloidal suspensions with dry granular media

René Messina、Sarah Aljawhari、Lydiane Bécu 等 6 位作者2015-06-01Scientific Reports

Athermal two-dimensional granular systems are exposed to external mechanical noise leading to Brownian-like motion. Using tunable repulsive interparticle interaction, it is shown that the same microstructure as that observed in colloidal suspensions can be quantitatively recovered at a macroscopic scale. To that end,…

Material Dynamics and PropertiesElectrostatics and Colloid InteractionsCharacterization and Applications of Magnetic Nanoparticles

X-ray absorption spectroscopy on magnetic nanoscale systems for modern applications

Carolin Schmitz‐Antoniak2015-06-01Reports on Progress in Physics

X-ray absorption spectroscopy facilitated by state-of-the-art synchrotron radiation technology is presented as a powerful tool to study nanoscale systems, in particular revealing their static element-specific magnetic and electronic properties on a microscopic level. A survey is given on the properties of nanoparticle…

Magnetic properties of thin filmsMagnetic Properties and Synthesis of FerritesIron oxide chemistry and applications

Interfacial hydrodynamic instabilities driven by cross-diffusion in reverse microemulsions

Marcello A. Budroni、Jorge Carballido Landeira、Adriano Intiso 等 5 位作者2015-06-01Chaos An Interdisciplinary Journal of Nonlinear Science

When two microemulsions are put in contact in the gravity field along a horizontal contact line, cross-diffusion can trigger the transport of one species in the presence of a gradient in concentration of another species. We show here theoretically that such cross-diffusion effects can induce buoyancy-driven convective…

Micro and Nano RoboticsPickering emulsions and particle stabilizationParticle Dynamics in Fluid Flows

Eletricity generation using thermoelectric generator - TEG

Priscilla A. J. Stecanella、Messias A. A. Faria、Elder Geraldo Domingues 等 6 位作者2015-06-01OpenAlex

Generating machines of electricity, using combustion engines and generate a great amount of residual thermal energy from the exhaust gases. This residual thermal energy can be converted into usable electricity using thermoelectric generator (TEG), which are manufactured cells with semiconductor materials employing the…

Advanced Thermoelectric Materials and DevicesAdvanced Thermodynamics and Statistical MechanicsThermal Radiation and Cooling Technologies

Effect of Mn Doping on the Structural, Optical and Magnetic Properties of SnO2Nanoparticles

M. Saravanakumar、S. Agilan、N. Muthukumarasamy 等 6 位作者2015-06-01Acta Physica Polonica A

Undoped and Mn doped SnO2 prepared by co-precipitation method exhibits nanocrystalline nature with prominent peaks along ( All the prepared samples are nanocrystalline with crystallite size lying in the range of 4.85.6 nm. The prepared SnO2 nanoparticles exhibit single tetragonal crystalline phase. The high resolution…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsChalcogenide Semiconductor Thin Films

Nanosafety forum for young scientists: a meeting report

Antonio Pietroiusti、Lang Tran、Luisa Campagnolo2015-06-01European Journal of Nanomedicine

Abstract In October of 2014, a meeting jointly organized by the EU Nanosafety Cluster and the COST Action TD 1204, was held on the beautiful island of Ortygia in Syracuse (Sicily). The meeting was specifically conceived to give the opportunity to young researchers in the field of nanotoxicology to present and discuss…

Nanoparticles: synthesis and applicationsMicroplastics and Plastic PollutionGraphene and Nanomaterials Applications

Utilization of Steel Slag as Aggregates for SMA-13

Can Hua Li、X.‐D. Xiang、Xian Xian Qin2015-06-01Applied Mechanics and Materials

A new method to make SMA is developed by using SBS modified asphalt when the coarse aggregate steel slag and the fine basalt aggregate are selected respectively. The Mix Proportion is 1#(16-9.5mm, steel slag):2#(9.5-4.75mm, steel slag):3#(3-4.75mm, basalt):4#(3-0mm, basalt):5# (mineral powder)=38%:36%:8%:8%:10%.The op…

Asphalt Pavement Performance EvaluationPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Prediction of Certain Low Stress Mechanical Properties of Knitted Fabrics from Their Structural Parameters

R. Varadaraju、J. Srinivasan2015-06-01Journal of Engineered Fibers and Fabrics

Knitted fabrics are preferred as clothing materials because of of their outstanding comfort quality. 16 plain knitted fabric samples were produced from 4 combed ring spun yarn of linear densities 29.5 Tex, 23.6, Tex 19.7 Tex and 17.4 Tex and 4 different stitch lengths from each yarn linear density were selected for th…

Additive Manufacturing and 3D Printing TechnologiesDyeing and Modifying Textile FibersTextile materials and evaluations

Preparation and piezoelectric properties of potassium sodium niobate glass ceramics

Shan Jiang、Xuan-Ming Wang、Jia-yu Li 等 6 位作者2015-06-01Chinese Physics B

This paper describes the preparation of a piezoelectric glass ceramic material from potassium sodium niobate (K 0.5 Na 0.5 NbO 3 ; KNN) using a novel melting method. The effects of the subsequent heat-treatment on the optical, thermal, electrical, and mechanical properties of the material are carefully examined, and i…

Ferroelectric and Piezoelectric MaterialsPhotorefractive and Nonlinear OpticsAcoustic Wave Resonator Technologies

Research of Hardalloyed Burnishing Tool Durability with Coatings by Ion-Plasmous Sputtering Method

I N Bobrovskij、Sergey N. Grigoriev、Pavel Melnikov 等 4 位作者2015-06-01Applied Mechanics and Materials

In this paper the effect of different types of coatings on durability increase of the tool for surface plastic deformation is considered. Wide burnishing processing with coated tool was selected as such research was performed for the first time. The influence of the type of coating on the tool durability has been expl…

Surface Treatment and Residual StressMaterial Properties and ApplicationsSurface Treatment and Coatings

Grafting Copolymerization of Cationic Vinyl Monomer with Quaternary Ammonium Groups onto Polypropylene

Guangtian Liu2015-06-01DOAJ (DOAJ: Directory of Open Access Journals)

Grafting polymerization was a valuable method for the modification of the chemical and physical properties of polymer surfaces. In this paper, the grafting of cationic vinyl monomer with quaternary ammonium groups, methacryloxyethyltrimethyl ammonium chloride (DMC), onto the isotactic polypropylene (iPP) granule was p…

Advanced Polymer Synthesis and CharacterizationPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Influence of Sr-Doping on the Structure of LaCoO<sub>3</sub> Thin Films Prepared by Pulsed Laser Deposition

Agnieszka Kopia、Łukasz Cieniek、Kazimierz Kowalski 等 4 位作者2015-06-01Diffusion and defect data, solid state data. Part B, Solid state phenomena/Solid state phenomena

The aim of the research was to investigate the influence of strontium on the structure thin films La1-x SrxCoO3 (x=0; 0.1, 0.2). The LaCoO3 and LaCoO3 doped by Sr films were grown by pulsed laser deposition (PLD) on Si [100] substrate using an Excimer KrF (= 248 nm). To characterize the structure and morphology of th…

Catalytic Processes in Materials ScienceMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides

Electrodynamic properties of the nanocarbon/polymer composites with aligned by magnetic field secondary non-conductive component

Mykola Melnichenko、O. S. Yakovenko、L. Yu. Matzui 等 6 位作者2015-06-01Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Multiwall carbon nanotubes/epoxy and graphite nanoplatelets/epoxy composite materials (2-5 wt %) as well as the composite materials with barium hexaferrite as secondary filler (27 wt %) were prepared. Alignment of barium hexaferrite nanoparticles was performed by magnetic field action during polymerization process. Mo…

Electromagnetic wave absorption materialsMaterial Properties and ApplicationsAdvanced Energy Technologies and Civil Engineering Innovations