Materials Literature
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We report on the infrared photoresponse of high-mobility graphene in high magnetic fields. Two types of photoresponse signals were observed that were due to photovoltaic and bolometric effects. The photovoltaic signal was observed in the quantum Hall regime, whereas the bolometric signal was dominant in the quantum Ha…
Magnetic nanoparticle (MNP)-based magnetic resonance imaging (MRI) contrast agents (CAs) have been the subject of extensive research over recent decades. The particle size of MNPs varies widely and is known to influence their physicochemical and pharmacokinetic properties. There are two commonly used methods for synth…
Porous TiO2 ceramics with lamellar architecture were fabricated by the freeze casting technique. As the initial solid loading increased from 40 to 80 wt-%, the porosity decreased from 68 to 16% correspondingly. Their compression properties improved with the deduction in the porosity. A sudden change in compressive str…
Effect of abrasion on surface roughness properties of textured polyester woven fabrics has been investigated. The effects of weft density, weft yarn filament number, fiber fineness, and weave pattern on surface roughness after abrasion were studied. Surface roughness values of control fabric (not abraded) and abraded…
In this paper, we provide the quantification of the linear and non-linear elastic mechanical properties of graphene based upon the judicious combination of molecular mechanics simulation results and homogenization methods. We clarify the influence on computed results by the main model features, such as specimen size,…
A novel supercritical carbon dioxide (CO 2 )‐assisted low‐temperature assembly approach to fabricate cyclic olefin copolymer (COC) ferroelectrets is reported. The process takes advantage of the strong COC–CO 2 interaction and associated severe depression of both bulk and surface glass transition temperature. Using a m…
Purpose – In the present work, a numerical method, based on the well established enthalpy technique, is developed to simulate the growth of binary alloy equiaxed dendrites in presence of melt convection. The paper aims to discuss these issues. Design/methodology/approach – The principle of volume-averaging is used to…
β type titanium alloys have attracted much attention in the biomedical field because they consist of non-cytotoxic elements, show high corrosion resistance, and are biologically compatible. In this study, a novel β type titanium alloy (Ti35Nb3Zr2Ta) with a Young's modulus of 48 GPa was fabricated and the alloy's corro…
Porous polymer networks (PPNs) are a class of porous materials of particular interest in a variety of energy-related applications because of their stability, high surface areas, and gas uptake capacities. Computationally derived structures for five recently synthesized PPN frameworks, PPN-2, -3, -4, -5, and -6, were g…
ABSTRACT The presented study investigates the flow length and the corresponding fiber content distribution in the injection‐moulded natural fiber reinforced thermoplastics and its relation to fiber type and processing parameters such as injection pressure, temperature, injection rate and mould tempering by increasing…
Abstract ZnO and Li‐doped ZnO photocatalysts were prepared by using a solvothermal method, aided by a supercritical drying technique. The structure and morphology of the photocatalysts were investigated by using SEM, X‐ray diffraction (XRD), UV/Vis and Raman spectroscopy. The photocatalytic activity and selectivity we…
We have developed a new method to study the oxygen surface exchange kinetics in oxide materials in the form of epitaxial thin films by analyzing subtle cell parameter variations induced by changes in the oxygen stoichiometry of the material. The method consists of continuously analyzing the X-ray diffraction pattern o…
Graphene‐based ultrathin films with tunable performances, controlled thickness, and high stability are crucial for their uses. The currently existing protocols, however, could hardly simultaneously meet these requirements. Using amino‐substituted π‐conjugated compounds, including 1,4‐diaminobenzene (DABNH2), benzidine…
We report the microfluidic production of spherical and nonspherical fat particles from crystallizable oils. The method is based on microfluidic generation of oil droplets at a cross-junction followed by thermal solidification downstream in a microcapillary. We vary the drop production conditions and the device tempera…
It has been 10 years since the original publication that presented Music, a multipurpose simulation code, written in Fortran 90. Since then, the code has been downloaded over 350 times and used in over 100 publications. In this study, we summarise the philosophy behind Music, its features and capabilities, and review…
In this paper, we report the structural, microstructural, and magnetic properties of nanosized (particle size ranging from 20 to 30 nm) Ni0.35Zn0.65Fe2O4 (MA4) system synthesized via mechanochemical route followed by annealing. The Rietveld refinement is used for the first time to precisely resolve the crystal structu…
Large-area subwavelength dielectric hexagonal lattices of cylindrical pillars on quartz substrates that provide high optical transmittance at all angles of incidence under different polarizations of light, and are fabricated using low-cost patterning techniques, are demonstrated and analyzed. Transmittance >85% for an…
In all industrial rotor spinning machines, opening of the fibers is performed by an opening roller, in which sliver is fed from a single point. Increasing number of feed rollers from one to two may improve fiber opening and trash ejection by two-step loading in opening zone of the opening roller. This may improve fibe…
Freeze casting of aqueous ceramic suspension was investigated as a method for preparing porous ceramic with interconnected, aligned lamellar pores. The manipulation of the pore structures and sizes by adjusting the processing parameters was studied. Al2O3 suspensions with different viscosities were prepared by control…
In this paper, 3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalide, 2,2-bis(4-hydroxyphenyl)propane, and different mole ratios of binary eutectic mixture of aliphatic alcohol (myristyl alcohol and cetyl alcohol) were selected as chromophoric reagents, delomorphic reagents, and solvents of thermochromic energy-sto…