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Iterative Exponential Growth Synthesis and Assembly of Uniform Diblock Copolymers

Yivan Jiang、Matthew R. Golder、Hung V.‐T. Nguyen 等 8 位作者2016-07-13Journal of the American Chemical Society

Studies on the phase segregation of unimolecular block copolymers (BCPs) are limited by a lack of reliable, versatile methods for the synthesis of such polymers on the preparative scale. Herein, we describe an advancement of Iterative Exponential Growth (IEG) wherein chiral allyl-based IEG oligomers are subjected to t…

Advanced Polymer Synthesis and CharacterizationSupramolecular Self-Assembly in MaterialsBlock Copolymer Self-Assembly

Scalable Synthesis of Few-Layer MoS2 Incorporated into Hierarchical Porous Carbon Nanosheets for High-Performance Li- and Na-Ion Battery Anodes

Seung‐Keun Park、Jeongyeon Lee、Sungyool Bong 等 6 位作者2016-07-13ACS Applied Materials & Interfaces

It is still a challenging task to develop a facile and scalable process to synthesize porous hybrid materials with high electrochemical performance. Herein, a scalable strategy is developed for the synthesis of few-layer MoS2 incorporated into hierarchical porous carbon (MHPC) nanosheet composites as anode materials f…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Technologies Research

Porous Organic Molecular Frameworks with Extrinsic Porosity: A Platform for Carbon Storage and Separation

Jian Lü、Rong Cao2016-07-13Angewandte Chemie International Edition

The assembly of porous organic molecular frameworks (POMFs), which typically evidence common feasibility and compatibility, purification, and regeneration at practical conditions, remains a strategic challenge in modern materials science and is crucial for their favorable applications in biological, medical, and envir…

Metal-Organic Frameworks: Synthesis and ApplicationsSupramolecular Chemistry and ComplexesCovalent Organic Framework Applications

Dependence of the dielectric constant of electrolyte solutions on ionic concentration: A microfield approach

Nir Gavish、Keith Promislow2016-07-13Physical review. E

We present a microfield approach for studying the dependence of the orientational polarization of the water in aqueous electrolyte solutions upon the salt concentration and temperature. The model takes into account the orientation of the solvent dipoles due to the electric field created by ions, and the effect of ther…

Material Dynamics and PropertiesSpectroscopy and Quantum Chemical StudiesElectrostatics and Colloid Interactions

Triboelectric Nanogenerators for Blue Energy Harvesting

Usman Khan、Sang‐Woo Kim2016-07-13ACS Nano

Blue energy in the form of ocean waves offers an enormous energy resource. However, it has yet to be fully exploited in order to make it available for the use of mankind. Blue energy harvesting is a challenging task as the kinetic energy from ocean waves is irregular in amplitude and is at low frequencies. Though elec…

Advanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsInnovative Energy Harvesting Technologies

Nile Red and Nile Blue: Applications and Syntheses of Structural Analogues

Vincent A. Martinez、Maged Henary2016-07-13Chemistry - A European Journal

Nile red and Nile blue are highly fluorescent and photostable organic dyes from the benzo[a]phenoxazine family. They have been used as histological stains for imaging lysosomes and lipids in vitro. The dyes' high quantum yields and solvent-dependent optical properties make them ideal scaffolds for the development of p…

Molecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry

Drastic Enhancement of Photocatalytic Activities over Phosphoric Acid Protonated Porous g‐C3N4 Nanosheets under Visible Light

Li Shi、Kun Chang、Huabin Zhang 等 7 位作者2016-07-13Small

A simple method is developed to fabricate protonated porous graphitic carbon nitride nanosheets (P-PCNNS) by protonation-exfoliation of bulk graphitic carbon nitride (BCN) with phosphoric acid (H3 PO4 ). The H3 PO4 treatment not only helps to exfoliate the BCN into 2D ultrathin nanosheets with abundant micro- and meso…

Advanced Photocatalysis TechniquesCovalent Organic Framework ApplicationsMXene and MAX Phase Materials

Fermion path integrals and topological phases

Edward Witten2016-07-13Reviews of Modern Physics

Symmetry-protected phases of matter have been at the forefront of condensed matter physics in recent years. Bosonic symmetry-protected phases have been interpreted in terms of anomalies and group cohomology. The present article aims to develop an analogous description of fermionic symmetry-protected phases, such as th…

Graphene research and applicationsTopological Materials and PhenomenaQuantum many-body systems

Ultrafast Charge Dynamics in Trap‐Free and Surface‐Trapping Colloidal Quantum Dots

Charles Smith、Marina A. Leontiadou、Robert E. Page 等 5 位作者2016-07-13Advanced Science

Adv. Sci. 2015, 2, 1500088 In the Abstract of the original manuscript, the increase in the rate of electron cooling due to trapping was incorrectly given as 70%; the correct value is 42%. Similarly, in Section 2 of the original manuscript, the average rates of energy loss were incorrectly given as 6.1 ± 0.1 eV ps−1 an…

Quantum Dots Synthesis And Properties

Sleeve Antenna with Left-handed Choke Structure

Takatsugu Fukushima、Naobumi Michishita、Hisashi Morishita 等 4 位作者2016-07-13International Symposium on Antennas and Propagation

In this paper, the composite right/left-handed (CRLH) transmission line has been applied to a choke structure of the sleeve antenna. The dispersion relation of the CRLH transmission line is designed as the left-handed (LH) branch becomes at around 700 MHz. To verify the operation as the choke structure, radiation patt…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsMicrowave Engineering and Waveguides

Multi-orbital quantum antiferromagnetism in iron pnictides—effective spin couplings and quantum corrections to sublattice magnetization

Sayandip Ghosh、Nimisha Raghuvanshi、Shubhajyoti Mohapatra 等 5 位作者2016-07-13Journal of Physics Condensed Matter

Effective spin couplings and spin fluctuation induced quantum corrections to sublattice magnetization are obtained in the [Formula: see text] AF state of a realistic three-orbital interacting electron model involving xz, yz and xy Fe 3d orbitals, providing insight into the multi-orbital quantum antiferromagnetism in i…

Magnetic and transport properties of perovskites and related materialsRare-earth and actinide compoundsIron-based superconductors research

One‐step modification method to fabricate wettability patterns on aluminium substrate

Huanxi Zheng、Shuai Huang、Jiyu Liu 等 8 位作者2016-07-13Micro & Nano Letters

Since there is currently no method to selectively fabricate superhydrophobic regions on superhydrophilic surfaces of metal substrates, wettability patterns on metal substrates are prepared via the three‐step technique including superhydrophilic, superhydrophobic and selectively superhydrophilic modifications. Here, an…

Surface Modification and SuperhydrophobicityAdvanced Sensor and Energy Harvesting MaterialsAdhesion, Friction, and Surface Interactions

Large‐Temperature‐Invariant and Electrocaloric Performance of Modified Barium Titanate for Solid‐State Refrigeration

Satyanarayan Patel、Aditya Chauhan、Rahul Vaish2016-07-13Energy Technology

Abstract Enormous advances have been made to enhance the electrocaloric responses of ferroelectric materials, and new advanced composites transcend the 50 K mark. However, such progress has ignored the need for temperature‐invariant performance, which is essential for continuous cooling. In this regard, we propose the…

Ferroelectric and Piezoelectric MaterialsMagnetic and transport properties of perovskites and related materialsMultiferroics and related materials

Current state of nuclear fuel cycles in nuclear engineering and trends in their development according to the environmental safety requirements

I. S. Vislov、V. P. Pischulin、Sergey N. Kladiev 等 4 位作者2016-07-13Thermal Engineering

The state and trends in the development of nuclear fuel cycles in nuclear engineering, taking into account the ecological aspects of using nuclear power plants, are considered. An analysis of advantages and disadvantages of nuclear engineering, compared with thermal engineering based on organic fuel types, was carried…

Nuclear Materials and PropertiesGraphite, nuclear technology, radiation studiesNuclear and radioactivity studies

Spherical aberration in electrically thin flat lenses

Miguel Ruphuy、Omar M. Ramahi2016-07-13Journal of the Optical Society of America A

We analyze the spherical aberration of a new generation of lenses made of flat electrically thin inhomogeneous media. For such lenses, spherical aberration is analyzed quantitatively and qualitatively, and comparison is made to the classical gradient index rod. Both flat thin and thick lenses are made of gradient inde…

Metamaterials and Metasurfaces ApplicationsAdvanced optical system designOptical Coatings and Gratings

Relationship between the ferromagnetic phase and the magnetoelectric coupling in hot pressed Pb(Mg1/3Nb2/3)O3-PbTiO3based particulate composites

Fábio L. Zabotto、Rafael Rodrigo Garofalo Paranhos、M. Jain 等 7 位作者2016-07-13Integrated ferroelectrics

The influence of ferromagnetic phase properties on the magnetoelectric response of hot pressed particulate composites formed by 80 mol% of 0.675[Pb(Mg1/3Nb2/3)O3]–0.325[PbTiO3] as piezoelectric matrix and 20 mol% of NiFe2O4, CoFe2O4 or BaFe12O19 phases was analyzed. The hot pressing sintering method was suitable for o…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsUnderwater Acoustics Research

Thickness-dependent physical properties of La1/3Sr2/3FeO3 thin films grown on SrTiO3 (001) and (111) substrates

Makoto Minohara、Miho Kitamura、Hiroki Wadati 等 7 位作者2016-07-13Journal of Applied Physics

We have investigated the thickness-dependent transport properties of La1/3Sr2/3FeO3 thin films grown on SrTiO3 (001) and (111) substrates. At a thickness of ∼40 nm, both films show a clear transition in resistivity associated with the characteristic charge disproportionation at approximately 190 K. The transition temp…

Magnetic and transport properties of perovskites and related materialsAdvanced Condensed Matter PhysicsElectronic and Structural Properties of Oxides

Preparation and Analysis of Complex Barrier Layer of Heterocyclic and Long-Chain Organosilane on Copper Alloy Surface

Qian Zhao、Tiantian Tang、Peilin Dang 等 5 位作者2016-07-13Metals

A single electrodeposited film of 6-(3-triethoxysilylpropyl)amino-1,3,5-triazine-2,4-dithiol monosodium (TES) on a copper alloy surface was prepared by the galvanostatic method, then octyl-triethoxysilane (OTES) or hexadecyl-trimethoxysilane (HDTMS) was used to modify the electrodeposited film by the self-assembled te…

Corrosion Behavior and InhibitionElectrodeposition and Electroless CoatingsAnodic Oxide Films and Nanostructures

Green Route Fabrication of Graphene Oxide Reinforced Polymer Composites with Enhanced Mechanical Properties

R. Mahendran、D. Sridharan、K. Santhakumar 等 4 位作者2016-07-13Journal of Nanoscience

A facile and “Green” route has been applied to fabricate graphene oxide (GO) reinforced polymer composites utilizing “deionized water” as solvent. The GO was reinforced into water soluble poly(vinyl alcohol) (PVA) and poly-2-acrylamido-2-methyl-1-propanesulfonic acid (PAMPS) matrix by ultrasonication followed by mecha…

Graphene research and applicationsAdvanced Sensor and Energy Harvesting MaterialsPolymer Nanocomposite Synthesis and Irradiation

The effect of seed cotton moisture during harvesting on: Part 2 yarn and fabric quality

Marinus HJ van der Sluijs、Chris Delhom2016-07-13Textile Research Journal

This study examined the fiber quality of saw ginned Upland cotton, harvested from one field using a John Deere (JD) 7760 at three moisture levels, <12%, >12% and 14%, and storing the harvested modules for 12 weeks prior to ginning. There was a significant difference between the three moisture levels for fiber color, w…

Textile materials and evaluationsForest Biomass Utilization and ManagementResearch in Cotton Cultivation