Materials Literature
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Abstract Langmuir-Blodgett (LB) films formed of some fluorescent dyes, namely derivatives of 4-aminonaphthalimide, and their binary mixtures with the liquid crystal 4-heptyl-4′-cyanobiphenyl (7CB) have been studied. The electronic absorption and fluorescence spectra were recorded. On the basis of these spectra, the sp…
The aim of this work is to compare the main characteristic of good dielectric gas defined in our previous paper with nitrogen gas. We study the molar fraction of chemical species in PTFE, N2 and Cumixture for several proportions and pressures. We show that the nitrogen gas does not satisfy the characteristic of good d…
Thin LaNiO 3- films with pseudocubic (100) preferred orientation were prepared by reactive DC magnetron sputtering and in situ annealed in O2 and vacuum. X-ray photoelectron spectroscopy (XPS) was used to determine the variation in composition of the films under high temperature annealing. The experimental O 1s and La…
Nano-/ micro-scale structures of crosslinked polytetrafluoroethylene (RX-PTFE) have been directly fabricated by focused ion beam (FIB). In this study, the nano-/ micro-fabricated RX-PTFE were attempted to be applied for the polymeric molds of nanoimprint lithography (NIL). The ability of the RX-PTFE mold for electron…
Here we demonstrate for the first time the fabrication hexagonally ordered mesoporous carbon materials with different morphology and pore diameters using NbSBA-15 mesoporous silica template with different niobium content. The materials were characterized by several characterization techniques such as XRD, HRSEM, HRTEM…
This course gives an elementary introduction to the phase‐field method and to its applications for the modeling of crystal growth. Two different interpretations of the phase‐field variable are given and discussed. It can be seen as a physical order parameter that characterizes a phase transition, or as a smoothed indi…
BaTiO3 (BT) based perovskite films are expected as ferroelectric and piezoelectric materials alternating Pb(Zr,Ti)O3 (PZT) films which involve toxicity of the lead. In the present study, we focus effects of bottom electrode structures on electrical properties of the BT films fabricated by Chemical Solution Deposition…
The adsorption of benzene and water vapors on the surface of detonation nanodiamond powders that differed in particle size, degree of their strong aggregation, and chemical state of their surface was studied. Specific features of the processes of adsorption of polar and nonpolar molecules on chemically modified surfac…
Deficiencies related to the lack of bulk in flat continuous filament yarns make them unsuitable for apparel, home textiles as well as other applications such as car seat covering. Hence, texturising is employed to impart lofty and bulky characteristics to them. The two major texturising techniques employed for polyest…
Computer-Aided Design and Applications is an international journal on the applications of CAD and CAM. It publishes papers in the general domain of CAD plus in emerging fields like bio-CAD, nano-CAD, soft-CAD, garment-CAD, PLM, PDM, CAD data mining, CAD and the internet, CAD education, genetic algorithms and CAD engin…
Enhancement of sonochemical reaction with the addition of aluminum powder in a sonoreactor is studied. The decolorization reaction between iodine and disodium hydrogenphosphate in a starch solution in the presence of aluminum powder proceeds at a maximum of 2 times faster than that in the absence of aluminum powder. T…
The hydroxo-complexes [Ni(2)(mcN(3))(2)(mu-OH)](2)(PF(6))(2)] [mcN(3) = 2,4,4-trimethyl-1,5,9-triazacyclododec-1-ene (Me(3)-mcN(3)) or 2,4,4,9-tetramethyl-1,5,9-triazacyclododec-1-ene (Me(4)-mcN(3))] react with imides (Him) in 1 : 2 (succinimide, glutarimide, saccharine and 1,8-naphthalimide) or 1 : 1 (pyromellitic di…
A beam optical focusing structure with double subwavelength metal slits surrounded by tapered surface dielectric gratings is proposed and demonstrated numerically. In the proposed structure, just with the regulation of the surface gratings, the radiation fields of surface plasmon polaritons (SPPs) can be controlled ef…
We present the measurement of the third-order nonlinearity of Bi2O3-B2O3-BaO glasses using the single Z-scan method with femtosecond laser pulses at 750 -850 nm. Both third-order nonlinear refraction and two photon absorption coefficient are investigated. The shows an increasing tendency with increasing BaO content, a…
Gradient Ni-SDC anode and anode-supported SDC electrolyte were produced by tape casting method with laminating and co-sintering process. The best co-sintering temperature of gradient Ni-SDC anode and SDC electrolyte was 1300?C for 3 h. The open porosity of gradient Ni-SDC anode sintered at 1300oC was 36%, which offere…
Bismuth silicate (Bi4Si3O12) micro-crystals with a grain line structure were grown by a sintering method under atmosphere pressure. The as-grown products were studied using Xray diffraction (XRD) and Environmental scanning electron microscopy (ESEM). The grain orientation law was tested by the One-Sample Kolmogorov-Sm…
The goal of this paper is to present a simple but effective stand used for demonstration of Shape Memory Alloys (SMA) behaviour. The hands-on device is developed to offer experiences, previously unavailable, in order to introduce SMAs to anyone, but especially to undergraduate mechanical or materials engineering stude…
Abstract The synthesis of a new phosphorus dendrimer peripherally functionalized with the cage ligand tris(1,2‐dimethylhydrazino) diphosphane is described. In addition, dendrons (dendritic wedges) containing the same cage ligand at the focal point are also reported along with their corresponding ruthenium derivatives,…
Natural fibers obtained from cellulose-based plants are being used as reinforcement of polymer composite owing to both environmental and technical advantages. One important technical characteristic of most lignocellulosic fibers is the bend flexibility, which allows them to resist impact forces. As a consequence, ther…
Cadmium Selenide (CdSe) nanoparticles were synthesized through the colloidal chemistry approach. Dynamic light scattering experiments (DLS) have been performed in CdSe aqueous dispersions in order to determine the nanoparticle hydrodynamic radii. The DLS data together with photoluminescence (PL) measurements allowed f…