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Experimental and Theoretical Studies on the Magnetic Anisotropy in Lanthanide(III)‐Centered Fe3Ln Propellers

Luca Rigamonti、Andrea Nava、Marie‐Emmanuelle Boulon 等 6 位作者2015-07-15Chemistry - A European Journal

Compounds [Fe3 Ln(tea)2 (dpm)6 ] (Fe3 Ln; Ln= Tb-Yb, H3 tea=triethanolamine, Hdpm=dipivaloylmethane) were synthesized as lanthanide(III)-centered variants of tetrairon(III) single-molecule magnets (Fe4 ) and isolated in crystalline form. Compounds with Ln=Tb-Tm are isomorphous and show crystallographic threefold symme…

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes

Perspective on resonances of metamaterials

Min Li、Lirong Huang2015-07-15Optics Express

Electromagnetic resonance as the most important characteristic of metamaterials enables lots of exotic phenomena, such as invisible, negative refraction, man-made magnetism, etc. Conventional LC-resonance circuit model as the most authoritative and classic model is good at explaining and predicting the fundamental res…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchAdvanced Antenna and Metasurface Technologies

Tunable Thermoresponsiveness of Resilin via Coassembly with Rigid Biopolymers

Jasmin L. Whittaker、Naba K. Dutta、Robert Knott 等 8 位作者2015-07-15Langmuir

The ability to tune the thermoresponsiveness of recombinant resilin protein, Rec1-resilin, through a facile coassembly system was investigated in this study. The effects of change in conformation and morphology with time and the responsive behavior of Rec1-resilin in solution were studied in response to the addition o…

RNA Interference and Gene DeliverySilk-based biomaterials and applicationsBiochemical and Structural Characterization

Non‐isothermal crystallization kinetics of PEG plasticized PLA/G‐POSS nanocomposites

Mehmet Kodal、Hümeyra Şirin、Güralp Özkoç2015-07-15Polymer Composites

In this study, the non‐isothermal crystallization kinetics of epoxy functionalized poly(hedral oligomeric silsesquioxane) (G‐POSS) reinforced plasticized or unplasticized poly(lactic acid) (PLA) was investigated. Poly(ethylene glycol) (PEG) was used as plasticizer at a constant content of 10% by weight. A micro‐compou…

Polymer Nanocomposites and Propertiesbiodegradable polymer synthesis and propertiesSilicone and Siloxane Chemistry

Ethylene vinyl acetate copolymer nanocomposites based on (un)modified sepiolite: Flame retardancy, thermal, and mechanical properties

Hossein Cheraghi Bidsorkhi、Hossein Adelnia、Nafiseh Naderi 等 5 位作者2015-07-15Polymer Composites

Flame retardant ethylene‐vinyl acetate (EVA) nanocomposites were prepared by melt blending using unmodified and modified sepiolite. Modification process of sepiolite was carried out by using 3‐aminopropyltrimethoxysilane in water/ethanol medium. Thermal, mechanical, and flame retardancy properties of the prepared nano…

Polymer Nanocomposites and PropertiesFlame retardant materials and propertiesClay minerals and soil interactions

Electrochemistry Investigation on the Graphene/Electrolyte Interface

Xiaowei Du、Hui Guo、Yan Jin 等 5 位作者2015-07-15Electroanalysis

Abstract In this study, the graphene/electrolyte interface was investigated in detail by the electrochemical method. The total interface capacitance was calculated from the electrochemical impedance spectroscopy (EIS) results, and its responses to different concentrations and pHs were also investigated. The minimum po…

Graphene research and applicationsSupercapacitor Materials and FabricationConducting polymers and applications

In vivo Assessment of Nanomaterials Toxicity

Simona Clichici、Gabriela Adriana Filip2015-07-15InTech eBooks

The concern regarding the safety of nanomaterials for the human body is constantly raising. On one hand, there is an increase in the production of nanomaterials for technological applications, which raises the risk of accidental exposure of the workers during the technological manipulation. On the other hand, nanomate…

Nanoparticles: synthesis and applicationsGraphene and Nanomaterials ApplicationsAnesthesia and Neurotoxicity Research

Tough epoxy/cyanate ester resins with improved thermal stability, lower dielectric constant and loss based on unique hyperbranched polysiloxane liquid crystalline

Zhen Liu、Li Yuan、Guozheng Liang 等 4 位作者2015-07-15Polymers for Advanced Technologies

Toughening thermally resistant resin without sacrificing outstanding performances of original resin is still a big challenge. Herein, a novel liquid crystalline hyperbranched polysiloxane (LCPSi) with wide transition temperature range and terminal amino groups was facilely synthesized, which was then used to toughen e…

Epoxy Resin Curing ProcessesDendrimers and Hyperbranched PolymersSynthesis and properties of polymers

Application of Multivariable Regression Model for SOFC Stack Temperature Estimation in System Environment

Matias Halinen、Antti Pohjoranta、Jari Pennanen 等 4 位作者2015-07-15Fuel Cells

Abstract The applicability of multivariable linear regression (MLR) models to estimate the maximum temperature inside a SOFC stack is investigated experimentally. The experiments were carried out with a complete 10 kW SOFC system. The behavior of the maximum temperature measured inside a SOFC stack with respect to fou…

Catalytic Processes in Materials ScienceAdvancements in Solid Oxide Fuel CellsFuel Cells and Related Materials

Thermoplastic polyurethane synthesis with modified montmorillonite prepared by torque rheometry: Investigation of morphological, thermal, chemical, and physical properties

Felipe Gustavo Ornaghi、Vinícios Pistor、Ricardo Vinícius Boff de Oliveira2015-07-15Journal of Applied Polymer Science

ABSTRACT In this study, samples of thermoplastic polyurethane (TPU) were synthesized by reactive processing in an instrumented batch mixer with 0, 1, 2, 5, and 10 wt % of organophilic montmorillonite (OMMT) clay. Fourier transform infrared spectroscopy confirmed the obtainment of TPU. Transmission electron microscopy…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesPolymer composites and self-healing

Influence of gas chemistry on Si-V color centers in diamond films

Štěpán Potocký、Tibor Ižák、M. Varga 等 4 位作者2015-07-15physica status solidi (b)

In this paper, we studied the influence of process parameters on the incorporation and optical activity of the silicon vacancy (Si-V) zero phonon line (ZPL) in diamond films. The ZPL intensity at 738 nm is studied in nano- and micro-crystalline diamond films deposited by microwave plasma enhanced CVD as a function of…

Metal and Thin Film MechanicsHigh-pressure geophysics and materialsDiamond and Carbon-based Materials Research

Understanding the changes in ductility and Poisson's ratio of metallic glasses during annealing from microscopic dynamics

Zheng Wang、K. L. Ngai、W. H. Wang2015-07-15Journal of Applied Physics

In the paper K. L. Ngai et al., [J. Chem. 140, 044511 (2014)], the empirical correlation of ductility with the Poisson's ratio, νPoisson, found in metallic glasses was theoretically explained by microscopic dynamic processes which link on the one hand ductility, and on the other hand the Poisson's ratio. Specifically,…

Material Dynamics and PropertiesGlass properties and applicationsMetallic Glasses and Amorphous Alloys

Chiral Carbonaceous Nanotubes Modified with Titania Nanocrystals: Plasmon‐Free and Recyclable SERS Sensitivity

Bocheng Qiu、Mingyang Xing、Qiuying Yi 等 4 位作者2015-07-15Angewandte Chemie

Abstract Chiral carbonaceous nanotubes (CNT) were successfully used in plasmon‐free surface‐enhanced Raman scattering (SERS) for the first time. Further modification of TiO2 nanocrystals on the chiral CNTs successfully realized the recycling of SERS substrate as chiral CNT/TiO2 hybrids. The high SERS sensitivity of me…

Advanced Photocatalysis TechniquesGold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And Properties

Versatile alignment layer method for new types of liquid crystal photonic devices

Valerie Finnemeyer、Doug Bryant、R. Reich 等 9 位作者2015-07-15Journal of Applied Physics

Liquid crystal photonic devices are becoming increasingly popular. These devices often present a challenge when it comes to creating a robust alignment layer in pre-assembled cells. In this paper, we describe a method of infusing a dye into a microcavity to produce an effective photo-definable alignment layer. However…

Photonic and Optical DevicesLiquid Crystal Research AdvancementsPhotonic Crystals and Applications

Scaling Limit of Bilayer Phosphorene FETs

Demin Yin、Gyuchull Han、Youngki Yoon2015-07-15IEEE Electron Device Letters

We investigate bilayer phosphorene field-effect transistors (FETs) by self-consistent atomistic quantum transport simulations. Despite a penalty in electrostatic control for multiple layers, 10-nm-channel bilayer phosphorene FETs can exhibit excellent device characteristics, such as Ion> 3 mA/μm, large current ratio (…

Perovskite Materials and Applications2D Materials and ApplicationsMXene and MAX Phase Materials

Nanoencapsulated Core and Shell Electrospun Fibers of Resorcinol Formaldehyde

Yutika Badhe、Balasubramanian Kandasubramanian2015-07-15Industrial & Engineering Chemistry Research

A facile and efficient method of inducing nanofibers of thermosetting resins by electrospinning has been established. The study involves extensive exploitation of unconventional parameters of electrospinning, viz. temperature ranging from 10 to 40 °C, humidity of 19 and 75% RH, concentration and type of catalyst (0.1…

Supercapacitor Materials and FabricationAdvanced Sensor and Energy Harvesting MaterialsElectrospun Nanofibers in Biomedical Applications

Charged Porous Polymers using a Solid CO Cross‐Coupling Reaction

Pengfei Zhang、Xueguang Jiang、Shun Wan 等 4 位作者2015-07-15Chemistry - A European Journal

Herein, we report a green, fast, efficient mechanochemical strategy for charged porous polymers (CPPs). A cationic CPP with basic anions and an anionic CPP with Li(+) cations were fabricated by solid grinding under solvent-free conditions. Compared with solution-based synthesis, mechanochemical grinding can shorten th…

Metal-Organic Frameworks: Synthesis and ApplicationsMembrane Separation and Gas TransportCovalent Organic Framework Applications

Molecular Origins of Macroscopic Mechanical Properties of Elastomeric Organosiloxane Foams

Robert J. Messinger、Trevor G Marks、Seth S. Gleiman 等 5 位作者2015-07-15Macromolecules

Molecular compositions, structures, interactions, polymer chain dynamics, and micron-scale cell structures of elastomeric organosiloxane foams have been analyzed and correlated with their macroscopic mechanical properties. Open-cell organosiloxane foams were synthesized within a narrow range of relative densities (±5%…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesPolymer composites and self-healing

Synthesis, characterization, and antimicrobial activity of silver nanoparticles on poly(GMA‐ co ‐EGDMA) polymer support

Ivana Vukoje、Enis S. Džunuzović、Davor Lončarević 等 6 位作者2015-07-15Polymer Composites

Poly(glycidyl methacrylate‐ co ‐ethylene glycol dimethacrylate) (poly(GMA‐ co ‐EGDMA) macroporous copolymer decorated with silver nanoparticles was prepared by a modification of poly(GMA‐ co ‐EGDMA) in the reaction with arginine, and consequent reduction of silver ions with amino groups. The mercury intrusion porosime…

Nanoparticles: synthesis and applicationsMicroplastics and Plastic PollutionGraphene and Nanomaterials Applications

Finding the Most Catalytically Active Platinum Clusters With Low Atomicity

Takane Imaoka、Hirokazu Kitazawa、Wang‐Jae Chun 等 4 位作者2015-07-15Angewandte Chemie

Abstract On a subnanometer scale, an only one‐atom difference in a metal cluster may cause significant transitions in the catalytic activity due to the electronic and geometric configurations. We now report the atomicity‐specific catalytic activity of platinum clusters with significantly small atomicity, especially be…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceNanocluster Synthesis and Applications