Materials Literature
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Tests were carried out on more than 14 different samples of fire protective coatings in order to investigate a relation between the thickness of the intumescent fire protection coating and the time of exposure to heat. A number of coatings of different chemical composition enabled to determine the fire resistance beha…
Slippage resistance of yarns at a seam in woven fabrics is a very important factor and very strict claims are raised for this property. It is necessary to know how fabric structure influences on seam slippage quality before manufacturing the fabric. The purpose of this work was to establish which of the weave factor i…
The electronic structure of (001)-(1×1) oxidised surface and inner core of germanium nanocrystals (1.5–2.3 nm in diameter) is studied separately using the self-consistent Hartree–Fock method coupled with the large unit cell (LUC) method. The separate evaluation of surface and core electronic structure leads to the exa…
A series of cellulose/soy protein membranes (CSM) was coated with chitosan to improve the mechanical properties, cytocompatibility, and hemocompatibility. The original CSM and chitosan-coated CSM (CH/CSM) were characterized by Fourier transform infrared spectroscopy, X-ray diffraction analysis, scanning electron micro…
Photoisomerization-induced phase transition of neat liquid-crystalline azobenzene chromophore (LCAC) and its effect on phase diagrams of its mixtures with reactive mesogenic diacrylate monomer (RM257) have been investigated experimentally and theoretically. Upon irradiation with ultraviolet light, the nematic phase of…
The ferroelectric and spin glass properties of CuFe(0.5)V(0.5)O(2) have been studied. Magnetization, ac magnetic susceptibility and specific heat measurements reveal a spin glass behavior (T(f) = 20.5 K) for this delafossite. In CuFeO(2), substitution of trivalent diamagnetic cations for Fe(3 + ) is known to change th…
Metal–ferroelectric–semiconductor (MFS) structures based on ZnO/BaTiO 3 were fabricated by chemical solution deposition (CSD). The microstructure of the heterostructures was characterized by x-ray diffraction and atomic force microscopy. Both ZnO and BaTiO 3 layers were found to be c -axial oriented on LaNiO 3 -coated…
Plasmonic field enhancement of nonradiative exciton relaxation rates in vertically aligned arrays of high aspect ratio CdTe−Au core−shell nanorods was investigated by transient absorption spectroscopy, computational electromagnetics, and kinetic modeling. Increasing shell thickness in the high aspect ratio nanorods wa…
In this study, we focus on processing and characterizing composite material structures made of carbon nanotubes (CNTs) and reproducibly engineering macro-pores inside their structure. Highly porous bucky-papers were fabricated from pure carbon nanotubes by dispersing and stabilizing large 1 μm polystyrene beads within…
In this research, investigation on the interfacial shear strength of poly(lactic acid)–kenaf fiber biocomposite was investigated using microbond tests. Tensile properties and fracture behaviors of single kenaf fiber are tested via in situ monitoring with acoustic emission (AE). During tensile loading, acoustic signal…
The PDF for this article was replaced on 16/05/2011 with minor editorial changes. - EditorInfluence of flow on corrosion behavior of stainless steel, brass and aluminum was studied using electrochemical measurement techniques. Flow effect was identified by comparing erosion-corrosion with pure corrosion studies. For t…
Magnetotransport features, particularly interlayer Hall effect, have been discussed in multilayer massless Dirac fermion systems, in which two-dimensional layers having Dirac-cone dispersion are stacked with weak interlayer coupling. At the quantum limit, where only the n =0 Landau level is partially occupied, the con…
Neat liquid 3-alkoxy-2-bromothiophenes such as 2-bromo-EDOT have been shown to autopolymerize at room temperature and above, depending on their proton acidity and the nature and arrangement of substituents.
In the wetting of a solid by a liquid it is often assumed that the substrate is rigid. However, for an elastic substrate the rigidity depends on the cube of its thickness and so reduces rapidly as the substrate becomes thinner as it approaches becoming a thin sheet. In such circumstances, it has been shown that the ca…
LaVO4:Eu3+ nanoparticles were synthesised successfully through a ethylene glycol route at a low temperature of 140°C. The structural, thermal and optical properties of the prepared samples were characterised using X-ray powder diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric and differentia…
We investigate the scattering of 2D cylindrical invisibility cloaks with simplified constitutive parameters with the assistance of scattering coefficients. We show that the scattering of the cloaks originates not only from the boundary conditions but also from the spatial variation of the component of permittivity/per…
The wetting properties of patterned silicon microchannels with tunable surface free energy through coating hydrophilic TiO2 nanoparticles using the layer-by-layer nano self-assembly technique is presented in this paper. The wettability of microchannels is tested by measuring the contact angle of a water droplet on the…
Currently, selenium is the most widely used phasing vehicle for experimental phasing, either by single anomalous scattering or multiple-wavelength anomalous dispersion (MAD) procedures. The use of the single isomorphous replacement anomalous scattering (SIRAS) phasing procedure with selenomethionine containing protein…
Octahedral Atacamite (Cu2Cl(OH)3) microcrystals have been successfully fabricated via a convenient hydrothermal route in the absence of any external inorganic additives or organic structure-directing agents. Powder X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy spectra are…
Reduction of a subbituminous coal by lithium in liquid ammonia yields a coal salt that can be reacted with 1-iodododecane to yield dodecylated coal that is partially soluble in organic solvents. The coal salt also acts as an initiator for the in situ oligomerization of alkenes onto the surface of the coal nanoplatelet…