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Power loads to ITER first wall structures due to fusion alphas in a non-axisymmetric magnetic field including the presence of MHD modes

A. Snicker、Eero Hirvijoki、T. Kurki-Suonio2013-08-22Nuclear Fusion

We use the orbit-following Monte Carlo code ASCOT to calculate the wall power loads in ITER caused by fusion alphas. The simulations are carried out for a realistic 3D magnetic field that includes the effect of both ferritic inserts and the test blanket modules, both causing aberrations in the magnetic field structure…

Magnetic confinement fusion researchFusion materials and technologiesSuperconducting Materials and Applications

Hydrothermal synthesis of magnetic carbon microspheres for effective adsorption of Cd( II ) in water

Xuan Zhou、Shijie You、Xiuheng Wang 等 6 位作者2013-08-22Journal of Chemical Technology & Biotechnology

Abstract BACKGROUND Heavy metals present a great challenge due to pollution of the water environment. Conventional adsorption materials may be problematic for sustainable applications due to energy‐intensive processing, low adsorption capacity and difficult liquid/solid separation. To address this issue, this study in…

Adsorption and biosorption for pollutant removalSupercapacitor Materials and FabricationNanomaterials for catalytic reactions

EQUILIBRIUM STATES OF SOFT MAGNETIC HEMISPHERICAL SHELL

DENIS D. SHEKA、VOLODYMYR P. KRAVCHUK、MYKOLA I. SLOIKA 等 4 位作者2013-08-22SPIN

The ground state of hemispherical permalloy magnetic shell is studied. There exist two magnetic phases: the onion state and the vortex one. The phase diagram is systematically analyzed in a wide range of geometrical parameters. Possible transitions between different phases are analyzed using the combination of analyti…

Magnetic properties of thin filmsMetamaterials and Metasurfaces ApplicationsAdvanced Condensed Matter Physics

Assessing the Effect of Loop Mutations in the Folding Space of β2-Microglobulin with Molecular Dynamics Simulations

Sílvia G. Estácio、Eugene I. Shakhnovich、Patrícia F. N. Faísca2013-08-22International Journal of Molecular Sciences

We use molecular dynamics simulations of a full atomistic Gō model to explore the impact of selected DE-loop mutations (D59P and W60C) on the folding space of protein human β2-microglobulin (Hβ2m), the causing agent of dialysis-related amyloidosis, a conformational disorder characterized by the deposition of insoluble…

Protein Structure and DynamicsEnzyme Structure and FunctionCrystallization and Solubility Studies

Cobalt‐Based 3D Metal–Organic Frameworks: Useful Candidates for Olefin Epoxidation at Ambient Temperature by H2O2

Rupam Sen、Debraj Saha、Dasarath Mal 等 5 位作者2013-08-22European Journal of Inorganic Chemistry

Abstract Two new 3D metal–organic frameworks (MOF), [Co(H2‐DHBDA)(bpe)]n (1) and [Co(H2‐DHBDA)(bpee)]n (2) [H2‐DHBDA = 2,5‐dihydroxy‐1,4‐benzenediacetate, bpe = 1,2‐bis(4‐pyridyl)ethylene, bpee = 1,2‐bis(4‐pyridyl)ethane], were synthesized hydrothermally. Both compounds have a similar 3D structure. The secondary build…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesPolyoxometalates: Synthesis and Applications

Recent developments in sensitizers for mesoporous sensitized solar cells

Kun Cao、Mingkui Wang2013-08-22Frontiers of Optoelectronics

Sensitizers have proven to be extremely important in determining the performance of dye-sensitized solar cells (DSCs). The design and understanding of sensitizers, especially D-π-A structured porphyrins, has become a recent focus of DSC research. In this perspective article, advances in the conception and performance…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesSilicon Nanostructures and Photoluminescence

Quasiparticle electronic structure of barium-silicon oxynitrides for white-LED application

Bruno Bertrand、Samuel Poncé、David Waroquiers 等 7 位作者2013-08-22Physical Review B

Ba${}_{3}$Si${}_{6}$O${}_{12}$N${}_{2}$:Eu${}^{2+}$ and Ba${}_{3}$Si${}_{6}$O${}_{9}$N${}_{4}$:Eu${}^{2+}$ have strikingly similar atomistic structures, but the former is an efficient green phosphor at working temperature while the latter is a bluish-green phosphor whose luminescence decreases quite fast with temperat…

Luminescence Properties of Advanced MaterialsSemiconductor materials and devicesInorganic Chemistry and Materials

Sulphur–carbon composites for Li/S batteries

J.‐S. Park、Gyu-Bong Cho、H-S Ryu 等 6 位作者2013-08-22Materials Technology

Structural and electrochemical properties of various types of sulphur–carbon composites were reviewed to propose approaching ways for the development of lithium/sulphur battery with high energy density and good cycle performance. To improve the electrochemical properties of a sulphur cathode, carbon and polymer materi…

Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesConducting polymers and applications

Nanostructured conformal hybrid solar cells: a promising architecture towards complete charge collection and light absorption

Diana C. Iza、David Muñoz‐Rojas、Kevin P. Musselman 等 12 位作者2013-08-22Nanoscale Research Letters

We introduce hybrid solar cells with an architecture consisting of an electrodeposited ZnO nanorod array (NRA) coated with a conformal thin layer (<50 nm) of organic polymer-fullerene blend and a quasi-conformal Ag top contact (Thin/NR). We have compared the performance of Thin/NR cells to conventional hybrid cells in…

Organic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And Properties

Adsorption and Hydrolytic Activity of the Polycatalytic Cellulase Nanocomplex on Cellulose

Ranjan K. Kamat、Wanfu Ma、Yongkun Yang 等 7 位作者2013-08-22ACS Applied Materials & Interfaces

The formation of polycatalytic enzyme complexes may enhance the effectiveness of enzymes due to improved substrate interaction and synergistic actions of multiple enzymes in proximity. Much effort has been made to develop highly efficient polycatalytic cellulase complexes by immobilizing cellulases on low-cost polymer…

Biofuel production and bioconversionAdvanced Cellulose Research StudiesCatalysis for Biomass Conversion

Quantum Mechanical Study of Vicinal J Spin–Spin Coupling Constants for the Protein Backbone

Bing Wang、Xiao He、Kenneth M. Merz2013-08-22Journal of Chemical Theory and Computation

We have performed densisty functional theory (DFT) calculations of vicinal J coupling constants involving the backbone torsional angle for the protein GB3 using our recently developed automatic fragmentation quantum mechanics/molecular mechanics (AF-QM/MM) approach (Xiao He et al. J. Phys. Chem. B 2009, 113, 10380-103…

Protein Structure and DynamicsEnzyme Structure and FunctionHemoglobin structure and function

Self-catalytic crystal growth, formation mechanism, and optical properties of indium tin oxide nanostructures

Yuan‐Chang Liang、Hua Zhong2013-08-22Nanoscale Research Letters

In-Sn-O nanostructures with rectangular cross-sectional rod-like, sword-like, and bowling pin-like morphologies were successfully synthesized through self-catalytic growth. Mixed metallic In and Sn powders were used as source materials, and no catalyst layer was pre-coated on the substrates. The distance between the s…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsNanowire Synthesis and Applications

Optimization of wool mothproofing with nano TiO2using statistical analysis

Ali Nazari、Majid Montazer、Fatemeh Jafari 等 4 位作者2013-08-22Journal of the Textile Institute

Wool, with excellent characteristics, has the problem of being fed on by the moth. Until now several chemicals have been introduced for mothproofing with some limitations. In this research, an optimized mothproofing of wool has been proposed with nano TiO2 and citric acid by using Design-Expert software. Mothproofing…

Dyeing and Modifying Textile FibersTextile materials and evaluationsSilk-based biomaterials and applications

Solubility of 3,4-Bis(3-nitrofurazan-4-yl)furoxan in Common Solvents at Temperatures between 293.15 K and 313.15 K

Kejian Cui、Zhibin Xu、Liru Chen 等 9 位作者2013-08-22Journal of Chemical & Engineering Data

The solubility of 3,4-bis(3-nitrofurazan-4-yl)furoxan (DNTF) was measured in water, dichloromethane, ethanol, ethyl ethanoate, methanol, and trichloromethane between 293.15 K and 313.15 K. Measurements were performed by using high-pressure liquid chromatography with ultraviolet detection. For all reagents tested, the…

Energetic Materials and CombustionThermal and Kinetic AnalysisChemical Thermodynamics and Molecular Structure

Finite-Element 2-D Model of Induction Heating of Rotating Billets in System of Permanent Magnets and its Experimental Verification

František Mach、Václav Štarman、Pavel Karban 等 5 位作者2013-08-22IEEE Transactions on Industrial Electronics

An alternative way of induction heating of nonmagnetic cylindrical billets is modeled. The billet rotates in static magnetic field generated by permanent magnets. The mathematical model of the process consisting of two second-order partial differential equations describing the distributions of magnetic and temperature…

Electric Motor Design and AnalysisMagnetic Properties and ApplicationsInduction Heating and Inverter Technology

Light Extraction Enhancement of GaN LEDs by Hybrid ZnO Micro-Cylinders and Nanorods Array

Zhengmao Yin、Xiaoyan Liu、Hanchao Yao 等 7 位作者2013-08-22IEEE Photonics Technology Letters

A hybrid patterned ZnO micro-cylinders and nanorods array (MCNR) was fabricated to improve the light extraction efficiency for high brightness GaN-based light-emitting diodes (LEDs). The light extraction efficiency of the LEDs with the ZnO MCNR is increased by 86.4% compared with conventional planar LEDs. LEDs with Zn…

ZnO doping and propertiesGaN-based semiconductor devices and materialsGas Sensing Nanomaterials and Sensors

Pure Blue Emitting Poly(3,6-dimethoxy-9,9-dialkylsilafluorenes) Prepared via Nickel-Catalyzed Cross-Coupling of Diarylmagnesate Monomers

Jeffrey J. McDowell、Isabel Schick、Alastair J. A. Price 等 5 位作者2013-08-22Macromolecules

Polysilafluorenes (PSFs) are an important class of light-emitting conjugate polymers noted for their characteristic brilliant solid state blue luminescence, high quantum efficiency, excellent solubility, and improved thermal stability. These polymers are also reported to have superior electron conductivity to polyfluo…

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

Systematics of Rhizoclonium-like algae (Cladophorales, Chlorophyta) from Japanese brackish waters, based on molecular phylogenetic and morphological analyses

Kensuke Ichihara、Satoshi Shimada、Kazuyuki Miyaji2013-08-22Phycologia

Ichihara K., Shimada S. and Miyaji K. 2013. Systematics of Rhizoclonium-like algae (Cladophorales, Chlorophyta) from Japanese brackish waters, based on molecular phylogenetic and morphological analyses. Phycologia 52: 398–410. DOI: 10.2216/12–102.1Analyses of partial small subunit (SSU) and large subunit (LSU) rRNA ge…

Marine and coastal ecosystemsMicrobial Community Ecology and PhysiologyDiatoms and Algae Research

Active Plasmonic Nanoantennas for Controlling Fluorescence Beams

Haibo Li、Shuping Xu、Yuejiao Gu 等 7 位作者2013-08-22The Journal of Physical Chemistry C

We propose a tunable plasmonic nanoantenna design that achieves steering fluorescence beams via a voltage signal. The configuration is composed of a nanometallic grating structure coated with a thin luminescent layer and a liquid crystals (LC) cell fixed above as a modulator. The angle-scanned fluorescence spectra sho…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchOptical Coatings and Gratings

Locally Refined Multigrid Solution of the All-Electron Kohn–Sham Equation

Or Cohen、Leeor Kronik、Achi Brandt2013-08-22Journal of Chemical Theory and Computation

We present a fully numerical multigrid approach for solving the all-electron Kohn-Sham equation in molecules. The equation is represented on a hierarchy of Cartesian grids, from coarse ones that span the entire molecule to very fine ones that describe only a small volume around each atom. This approach is adaptable to…

Advanced Chemical Physics StudiesMagnetism in coordination complexesCatalysis and Oxidation Reactions