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Direct formation of peritectic phase but no primary phase appearance within Ni83.25Zr16.75 peritectic alloy during free fall

Peng Lü、Haipeng Wang2016-03-03Scientific Reports

Ni83.25Zr16.75 peritectic alloy was containerlessly solidified in a drop tube. When the droplet diameter exceeds a critical value (Dcrit), Ni7Zr2 phase primarily solidifies, followed by the peritectic reaction of Ni7Zr2 + L → Ni5Zr. Once the droplet diameter is smaller than the critical value (Dcrit), peritectic phase…

High Temperature Alloys and CreepSolidification and crystal growth phenomenaIntermetallics and Advanced Alloy Properties

Synthesis, Electrochemistry, and Photophysics of Aza‐BODIPY Porphyrin Dyes

Simon Pascal、Léo Bucher、Nicolas Desbois 等 6 位作者2016-03-03Chemistry - A European Journal

The synthesis of dyad and triad aza-BODIPY-porphyrin systems in two steps starting from an aryl-substituted aza-BODIPY chromophore is described. The properties of the resulting aza-BODIPY-porphyrin conjugates have been extensively investigated by means of electrochemistry, spectroelectrochemistry, and absorption/emiss…

Molecular Sensors and Ion DetectionPorphyrin and Phthalocyanine ChemistryLuminescence and Fluorescent Materials

Epitaxial Coherence at Interfaces as Origin of High Magnetoelectric Coupling in Multiferroic BaTiO3–BiFeO3 Superlattices

Michael Lorenz、Vera Lazenka、Peter Schwinkendorf 等 8 位作者2016-03-03Advanced Materials Interfaces

Multiferroic superlattices consisting of 15 double layers BaTiO3–BiFeO3 show a very high magnetoelectric voltage coefficient αME of up to 49 V cm−1 Oe−1 at 300 K, measured at 1 kHz with zero direct current (DC) bias magnetic field. However, the microscopic origins of such high αME values, and the temperature and DC ma…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsTeratomas and Epidermoid Cysts

Synthesis and characterization of permanently antistatic polyurethanes containing ionic liquids

Bo Wu、Zeyu Hu、Yanyan Zhang 等 6 位作者2016-03-03Polymer Engineering and Science

An in situ embed ionic liquid method is designed and employed in thermoplastic polyurethanes (PUs). Unlike the traditional physically incorporated antistatic polymers where conductive fillers do not firmly combined with the matrix. This permanently antistatic PUs are successfully synthesized by using a novel polyester…

Ionic liquids properties and applicationsConducting polymers and applicationsPolymer composites and self-healing

Compatibilized natural rubber/recycled ethylene-propylene-diene rubber blends by biocompatibilizer

Nabil Hayeemasae、Indra Surya、H. Ismail2016-03-03International Journal of Polymer Analysis and Characterization

Biocompatibilizer-based refined, bleached, deodorized palm stearin was successfully used as compatibilizer for natural rubber/recycled ethylene–propylene–diene rubber (NR/R-EPDM) blends. It seems effective in improving the state of cure, tensile properties, as well as the swelling resistance and morphology of the blen…

Polymer crystallization and propertiesPolymer Nanocomposites and Propertiesbiodegradable polymer synthesis and properties

Thickness dependence of exchange coupling in (111)-oriented perovskite oxide superlattices

Yue Jia、Rajesh V. Chopdekar、Elke Arenholz 等 8 位作者2016-03-03Physical review. B./Physical review. B

Epitaxial $\mathrm{L}{\mathrm{a}}_{0.7}\mathrm{S}{\mathrm{r}}_{0.3}\mathrm{Mn}{\mathrm{O}}_{3}\phantom{\rule{0.28em}{0ex}}(\mathrm{LSMO})\text{/}\mathrm{L}{\mathrm{a}}_{0.7}\mathrm{S}{\mathrm{r}}_{0.3}\mathrm{Fe}{\mathrm{O}}_{3}$ (LSFO) superlattices on (111)-oriented $\mathrm{SrTi}{\mathrm{O}}_{3}$ substrates with su…

Magnetic and transport properties of perovskites and related materialsMultiferroics and related materialsAdvanced Condensed Matter Physics

Tunability, dielectric, and piezoelectric properties of Ba(1−x)CaxTi(1−y)ZryO3 ferroelectric thin films

Christophe Daumont、Quentin Simon、E. Le Mouellic 等 9 位作者2016-03-03Journal of Applied Physics

Tunable ferroelectric capacitors, which exhibit a decrease of the dielectric permittivity (ϵ) under electric field, are widely used in electronics for RF tunable applications (e.g., antenna impedance matching). Current devices use barium strontium titanate as the tunable dielectric, and the need for performance enhanc…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsMicrowave Dielectric Ceramics Synthesis

Remote Control by π-Conjugation of the Emissive Properties of Fischer Carbene-BODIPY Dyads

Gong M. Chu、Andrés Guerrero‐Martínez、Carmen Ramı́rez de Arellano 等 5 位作者2016-03-03Inorganic Chemistry

The synthesis, structure, and complete characterization of mono- and bimetallic dyads joining Fischer carbene complexes and BODIPY chromophores are reported. In these organometallic species, the Fischer carbene complex is attached to the BODIPY moiety through a p-aminophenyl group linked at the C8 carbon atom of the B…

Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent Materials

Freezing and melting behaviors of H2O‐NaCl‐CaCl2 solutions in fused silica capillaries and glass‐sandwiched films: implications for fluid inclusion studies

Haixia Chu、Guoxiang Chi、I‐M. Chou2016-03-03Geofluids

Abstract Fluid inclusions of the H2O‐NaCl‐CaCl2 system are notorious for their metastable behavior during cooling and heating processes, which can render microthermometric measurement impossible or difficult and interpretation of the results ambiguous. This study addresses these problems through detailed microscopic e…

Methane Hydrates and Related PhenomenaCalcium Carbonate Crystallization and InhibitionChemical and Physical Properties in Aqueous Solutions

pH-Triggered Release of Hydrophobic Molecules from Self-Assembling Hybrid Nanoscaffolds

Lei Lu、Larry D. Unsworth2016-03-03Biomacromolecules

Self-assembling peptide based hydrogels have a wide range of applications in the field of tissue repair and tissue regeneration. Because of its physicochemical properties, (RADA)4 has been studied as a potential platform for 3D cell culture, drug delivery, and tissue engineering. Despite some small molecule and protei…

RNA Interference and Gene DeliveryAdvanced Drug Delivery SystemsSupramolecular Self-Assembly in Materials

Changing interfaces: Photoluminescent ZnO nanoparticle powders in different aqueous environments

Krisztina Kocsis、Matthias Niedermaier、Johannes Bernardi 等 5 位作者2016-03-03Surface Science

We transformed vapor phase grown ZnO nanoparticle powders into aqueous ZnO nanoparticle dispersions and studied the impact of associated microstructure and interface property changes on their spectroscopic properties. With photoluminescence (PL) spectroscopy, we probed oxygen interstitials O i 2 − in the near surface…

ZnO doping and propertiesMercury impact and mitigation studiesGa2O3 and related materials

Direct Molecular Evidence of the Origin of Slip of Polymer Melts on Grafted Brushes

Alexis Chennevière、Fabrice Cousin、François Boué 等 7 位作者2016-03-03Macromolecules

Neutron reflectivity has been used to investigate the effect of shear on the conformation of hydrogenated polystyrene chains end-grafted on a silicon wafer and covered by a deuterated polystyrene melt, in the grafting regime where the grafted chains at equilibrium extend in the bulk up to their radius of gyration. An…

Surface Modification and SuperhydrophobicityPolymer Surface Interaction StudiesAdhesion, Friction, and Surface Interactions

Green synthesis of silver nanoparticles using Zea mays and exploration of its biological applications

Jerusha A. Hema、Rajkumari Malaka、Narayanan P. Muthukumarasamy 等 6 位作者2016-03-03IET Nanobiotechnology

The biosynthesis of silver nanoparticles (AgNPs) has been proved to be a cost effective and environmental friendly approach toward chemical and physical methods. In the present study, biosynthesis of AgNPs was carried out using aqueous extract of Zea mays ( Zm ) husk. The initial colour change from golden yellow to or…

Nanoparticles: synthesis and applications

Characterization of a new species in the genusDidymospheniaand ofCymbella janischii(Bacillariophyta) from Connecticut, USA

Diba A. Khan-Bureau、Eduardo A. Morales、Luc Éctor 等 5 位作者2016-03-03European Journal of Phycology

Two non-native stalk-forming diatoms that were recently observed in the West Branch of the Farmington River, a tributary of the Connecticut River in Connecticut (USA), are characterized morphologically and barcode marker sequences were obtained for each of them. Cymbella janischii, the dominant stalk-forming species d…

Genomics and Phylogenetic StudiesDiatoms and Algae ResearchIdentification and Quantification in Food

Influence of alignment layers on crystal growth of polymer-stabilized blue phase liquid crystals

Po‐Ju Chen、Michael Chen、Shih-Ya Ni 等 5 位作者2016-03-03Optical Materials Express

The feature that devices based on blue phase liquid crystals (BPLCs) is free of alignment layers. However, the alignment layers could affect the morphologies of BPLC-devices as well as the electro-optical properties. In this paper, we investigate the influence of alignment layers to crystal growth of polymer-stabilize…

Liquid Crystal Research AdvancementsPhotonic Crystals and ApplicationsPlant Reproductive Biology

A combined method for synthesis of superconducting Cu doped Bi2Se3

Meng Wang、Yanru Song、Lixing You 等 7 位作者2016-03-03Scientific Reports

We present a two-step technique for the synthesis of superconducting CuxBi2Se3. Cu0.15Bi2Se3 single crystals were synthesized using the melt-growth method. Although these samples are non-superconducting, they can be employed to generate high quality superconducting samples if used as precursors in the following electr…

Advanced Thermoelectric Materials and DevicesTopological Materials and PhenomenaIron-based superconductors research

Concepts and applications of rigidity in non-crystalline solids: a review on new developments and directions

M. Micoulaut2016-03-03Advances in Physics X

We present the most recent developments and applications of Rigidity Theory in atomic-scale disordered materials such as glasses, liquids or amorphous solids. While the framework of rigidity, elastic phase transitions and topological constraint counting has been extensively used in glass science, its potentially wide…

Material Dynamics and PropertiesGlass properties and applicationsPhase-change materials and chalcogenides

Liquid Crystalline Ordered Collagen Substrates for Applications in Tissue Engineering

Joshua C. Price、Paul Roach、Alicia J. El Haj2016-03-03ACS Biomaterials Science & Engineering

This report describes methods for fabricating substrates with anisotropic order from a single solution of high concentration collagen. By exploiting the intrinsic property of collagen to behave as a cholesteric liquid crystal, we demonstrate first the production of dense collagen films containing anisotropic fibers by…

Hydrogels: synthesis, properties, applicationsbiodegradable polymer synthesis and propertiesCollagen: Extraction and Characterization

Flammability properties of polypropylene containing montmorillonite and some of silicon compounds

Ahmed Younis2016-03-03Egyptian Journal of Petroleum

New polypropylene (PP) blends were prepared using phenyltrimethoxysilane (PTMS), glycidoxypropyltrimethoxysilane (GPTMS) and potassium-montmorillonite (K-MMT). Polymers A (K-MMT/PTMS), B (MMT/GPTMS) and C (modified-MMT) were prepared using sol-gel technique then incorporated in the PP matrix by different concentration…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesFlame retardant materials and properties

Breaking the Barrier to Slow Water Exchange Rates for Optimal Magnetic Resonance Detection of paraCEST Agents

Wasundara Fernando、André F. Martins、Piyu Zhao 等 7 位作者2016-03-03Inorganic Chemistry

EuDOTA-tetraamide complexes as paraCEST agents offer an attractive platform for designing biological sensors and responsive agents. The early versions of these agents showed low sensitivity at temperature and power levels suitable for in vivo applications partly due to non-optimal water exchange rates. Here we report…

Advanced MRI Techniques and ApplicationsMagnetism in coordination complexesLanthanide and Transition Metal Complexes