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Effect of Iron Impurities on Magnetic Properties of Nanosized CeO2 and Ce-Based Compounds

Y. Jirásková、Jiřı́ Buršı́k、Pavel Janoš 等 6 位作者2019-02-13Metals

CeO2 samples prepared by three technological procedures from the same cerium source, namely cerium (III) nitrate hexahydrate, are studied from the viewpoint of structure, chemical and phase composition, and micro- and macro-magnetic properties. The scanning and transmission electron microscopies completed by energy-di…

ZnO doping and propertiesCatalytic Processes in Materials ScienceAdvanced Nanomaterials in Catalysis

Strain Engineering a Multiferroic Monodomain in Thin-Film BiFeO3

N. Waterfield Price、A.M. Vibhakar、R.D. Johnson 等 9 位作者2019-02-13Physical Review Applied

The interplay between the structural, magnetic, and charge properties of multiferroic materials allows functionalities that could enable the next generation of fast, low-power data storage and logic devices. Unfortunately, multiferroics are typically comprised of many domains, which diminishes their useful properties;…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsFerroelectric and Negative Capacitance Devices

Optical polarization states of a liquid-crystal blue phase II

Hui‐Yu Chen、Hao-Yu Tu2019-02-13OSA Continuum

The advantages and uniqueness of blue-phase-based electro-optical devices are predicted. In this paper, we present relevant electro-optics behaviors of the transmitted and reflected lights of BPII and try to explain those phenomena through studying the polarization states of the lights. There are two stages of electro…

Photonic and Optical DevicesLiquid Crystal Research AdvancementsPhotonic Crystals and Applications

Influence of atmospheres on the dielectric properties of calcium copper titanate ceramics

Disna P. Samarakoon、N. Govindaraju、R. N. Singh2019-02-13Journal of the American Ceramic Society

Abstract Calcium Copper Titanate Ceramics (CaCu 3 Ti 4 O 12 ; CCTO ) are useful as capacitors because of the large dielectric constant. This study investigated the effect of testing atmospheres such as air and dry N 2 on the stability and reproducibility of the electrical properties displayed by CCTO ceramics. Solid‐s…

Ferroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisDielectric properties of ceramics

A computational study of shape memory effect and pseudoelasticity of NiTi alloy under uniaxial tension during complete and partial phase transformation

R. G. Rastogi、S. J. Pawar2019-02-13Materials Research Express

The demand of shape memory materials (SMMs) especially, shape memory alloys (SMAs) is increasing day by day in engineered products and commercial applications. Therefore, it becomes necessary to understand the various determinants that influence the behaviour of SMAs. The mechanical behaviour of SMA is highly non-line…

Shape Memory Alloy Transformations

An LC-MS/MS Method for Simultaneous Determination of the Toxic and Active Components of Cortex Periplocae in Rat Plasma and Application to a Pharmacokinetic Study

Zhen Li、Yang Li、Jin Li 等 7 位作者2019-02-13International Journal of Analytical Chemistry

A sensitive and simple liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated to simultaneously determine the toxic and other active components including isovanillin, scopoletin, periplocin, periplogenin, and periplocymarin after oral administration of cortex periplocae extract to…

Bioactive Compounds and Antitumor AgentsPhytochemistry and Bioactive CompoundsBeetle Biology and Toxicology Studies

Optimization of processing parameters of nanocomposite film for fresh sliced okra packaging

Adeshina Fadeyibi、Z.D. Osunde、Mohammed Gana Yisa2019-02-13RIT Scholar Works (Rochester Institute of Technology)

Nanocomposite film can be regarded as an active packaging material which is capable of curtailing microbial growth and keeping food for an extended life. In this research, the optimum processing parameters of cassava starch-zinc nanocomposite film was determined for packaging fresh-sliced okra. Samples of the films, w…

Nanocomposite Films for Food Packaging

Anomalous orbital structure in two-dimensional titanium dichalcogenides

Banabir Pal、Yanwei Cao、Xiaoran Liu 等 9 位作者2019-02-13Scientific Reports

Abstract Generally, lattice distortions play a key role in determining the electronic ground states of materials. Although it is well known that trigonal distortions are generic to most two dimensional transition metal dichalcogenides, the impact of this structural distortion on the electronic structure and topologica…

Advanced Photocatalysis Techniques2D Materials and ApplicationsQuantum Dots Synthesis And Properties

Crystallographic identification of a series of manganese porphyrin complexes with nitrogenous bases

Nicole Lahanas、Pavel Kucheryavy、Roger A. Lalancette 等 4 位作者2019-02-13Acta Crystallographica Section C Structural Chemistry

Studying the axial ligation behavior of metalloporphyrins with nitrogenous bases helps to better understand not only the biological function of heme-based protein systems, but also the catalytic properties of porphyrin-based reaction sites in other biomimetic synthetic support environments. Unlike iron porphyrin compl…

Porphyrin and Phthalocyanine ChemistryHemoglobin structure and functionPorphyrin Metabolism and Disorders

Effects of Gd and Cr co-doping on structural and magnetic properties of BiFeO3 nanoparticles

Md. Abdul Matin、M. N. Hossain、Md. Abdul Hakim 等 4 位作者2019-02-13Materials Research Express

In this work, Gd and Cr co-doped Bi 0.95 Gd 0.05 Fe 1− x Cr x O 3 (x = 0–0.08) functional ceramics were synthesized by chemical solution deposition technique (CDS). The synthesized samples were annealed at different temperatures between 400 °C–700 °C. The x-ray diffraction (XRD) study revealed a partial phase evolutio…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAdvanced Condensed Matter Physics

Significantly Increased Photoresponsivity of WSe2‐Based Transistors through Hybridization with Gold‐Tetraphenylporphyrin as Efficient n‐Type Dopant

Dong Seop Lee、Jun Young Kim、Dae Yong Shin 等 7 位作者2019-02-13Advanced Electronic Materials

Abstract The control of electrical and optical characteristics of 2D transition‐metal dichalcogenides (TMDCs) through charge doping is essential to optimize the performances of optoelectronic devices based on TMDCs. In this study, a few‐layer tungsten diselenide (WSe 2 ) is hybridized with organic gold(III)‐tetrapheny…

Perovskite Materials and Applications2D Materials and ApplicationsQuantum Dots Synthesis And Properties

Organic Molecular Tuning of Many-Body Interaction Energies in Air-Suspended Carbon Nanotubes

S. Tanaka、Keigo Otsuka、Kensuke Kimura 等 7 位作者2019-02-13The Journal of Physical Chemistry C

High Resolution Image Download MS PowerPoint Slide We investigate adsorption effects of copper phthalocyanine molecules on excitons and trions in air-suspended carbon nanotubes. Using photoluminescence excitation spectroscopy, we observe that exciton energy red-shifts gradually with the molecular deposition thickness.…

Carbon Nanotubes in CompositesMolecular Junctions and NanostructuresMechanical and Optical Resonators

Duplex Stainless Steels: Effect of Reversion Heat Treatment

V. Shamanth、K.S. Ravishankar、K. Hemanth2019-02-13IntechOpen eBooks

Duplex stainless steels present good corrosion resistant and mechanical properties hence they are being used in various pressure boundary components of nuclear power plants such as primary coolant pipes, valves and pump bodies because of the presence of the dual microstructure which consists of equal amounts of austen…

Corrosion Behavior and InhibitionMicrostructure and Mechanical Properties of SteelsHydrogen embrittlement and corrosion behaviors in metals

Self-Assembly of Polymer Blends and Nanoparticles through Rapid Solvent Exchange

Nannan Li、Arash Nikoubashman、Athanassios Z. Panagiotopoulos2019-02-13Langmuir

Molecular dynamics simulations were performed to study the fabrication of polymeric colloids containing inorganic nanoparticles (NPs) via the flash nanoprecipitation (FNP) technique. During this process, a binary polymer blend, initially in a good solvent for the polymers, is rapidly mixed with NPs and a poor solvent…

Advanced Polymer Synthesis and CharacterizationSurfactants and Colloidal SystemsPickering emulsions and particle stabilization

Anchoring strength of indium tin oxide electrode used as liquid crystal alignment layer

Gyu Jin Choi、Dae Geon Ryu、Jin Seog Gwag 等 9 位作者2019-02-13Journal of Applied Physics

To reduce the manufacturing cost of liquid crystal (LC) panels, we examine the potential of an ion-beam-treated indium tin oxide (ITO) film as an LC alignment layer as well as a transparent electrode. In this study, thus, an ITO film in an LC panel is developed to serve as an LC alignment layer as well as an electrode…

Liquid Crystal Research AdvancementsOrganic Light-Emitting Diodes ResearchNonlinear Dynamics and Pattern Formation

The effects of henequen cellulose treated with polyethylene glycol on properties of polylactic acid composites

Francisco Javier Moscoso‐Sánchez、Abraham Alvarad、Liliana Martínez 等 6 位作者2019-02-13BioResources

Cellulosic henequen fibers were subjected to steam explosion and impregnated with polyethylene glycol (PEG) to improve fiber-matrix compatibility in polylactic acid (PLA) composites. Through Fourier-transform infrared spectroscopy (FTIR) it was shown that the hydroxyl, methyl, and ether functional groups were increase…

Nanocomposite Films for Food PackagingNatural Fiber Reinforced Compositesbiodegradable polymer synthesis and properties

Size-Dependent Asymmetric Auger Interactions in Plasma-Produced n- and p-Type-Doped Silicon Nanocrystals

Rens Limpens、Gregory F. Pach、David W. Mulder 等 4 位作者2019-02-13The Journal of Physical Chemistry C

Nonradiative Auger recombination (AR) tends to dominate carrier dynamics in charged, quantum-confined structures. Consequently, it complicates the practical realization of many semiconductor nanocrystal (NC)-based devices such as light-emitting diodes, photovoltaic cells, and single-photon emitters, in which charged e…

Quantum Dots Synthesis And PropertiesSilicon Nanostructures and PhotoluminescenceNanowire Synthesis and Applications

Tailored Combinatorial Microcompartments through the Self‐Organization of Microobjects: Assembly, Characterization, and Cell Studies

Qimeng Song、Marc Steuber、Sergey I. Druzhinin 等 4 位作者2019-02-13Angewandte Chemie International Edition

A new concept enables the generation of cell microenvironments by microobject assembly at an water/air interface. As the orientation of 30 μm sized polymer cubes and their capillary force assembly are controlled by the surface wettability, which in turn can be modulated by coating the initially exposed surfaces with g…

Polymer Surface Interaction StudiesMicro and Nano RoboticsPickering emulsions and particle stabilization

A DFT study on N-6-amino-hexylamide functionalized single-walled carbon nanotubes in interaction with silver ion in a gaseous environment

Khoorshid Mehdizadeh、Masoud Giahi2019-02-13Journal of nanostructure in chemistry

In this study, quantum mechanical calculations, such as density functional theory (DFT), have been employed to determine the active positions of nanosensor and thermodynamics functions of interaction between Ag + and nanosensor have been calculated. HOMO and LUMO energies and energy difference between donor atoms ( i…

Carbon Nanotubes in CompositesGraphene research and applicationsFullerene Chemistry and Applications

Wafer Scale Mapping and Statistical Analysis of Radio Frequency Characteristics in Highly Uniform CVD Graphene Transistors

Mengchuan Tian、Ben Yu-Kuang Hu、Haifang Yang 等 12 位作者2019-02-13Advanced Electronic Materials

Abstract Radio frequency (RF) transistor based on graphene has attracted tremendous research efforts in the past few years. Despite the fact that such material is developed on a wafer‐scale level, the majority of reported high performance of individual transistors is limited to individual or a few devices. As a result…

Graphene research and applicationsRadiation Effects in ElectronicsThermal properties of materials