Materials Literature
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Conditions for the fourfold amplification of evanescent wave ( s - or p -type) intensity are discussed for a nonmagnetic dielectric-ferroelectric plate-vacuum structure (Kretschmann geometry).
Molecules adsorbed on metallic nanopillars give an enhanced vibrational sum-frequency generation (SFG) signal when a localized surface plasmon resonance is excited. The metallic nanopillars, created on page 244 by D. Lis et al., possess two plasmon modes that can be selectively excited by either incident visible or ge…
Silicalite-2 zeolite was hydrothermally synthesized and Mn0.2Co0.8Fe2O4 magnetic nano-particle based on the Silicalite-2 zeolite carrier was prepared by a coprecipitation-impregnation method. The morphologies and microstructures of synthesized samples were characterized by X-ray diffraction (XRD), scanning electron mi…
We simulate and calculate numerically the electromagnetic field and energy flux in single crystal silicon thin film solar cell coated with silver nano-disk square array by using the finite-difference time-domain (FDTD) method. Because of the surface plasmon resonance (SPR) of silver nano array, the electromagnetic fie…
The present study investigated a novel surface modification on metal coronary stent for antibody immobilization. Methods: 316L stainless steel stents were surface modified with protein coatings. An Anti-DNA antibody was covalently bound to the protein surface using a bi-functional cross-linking agent SPDP. The artwork…
Lifetime of details directly influences lifetime of machines and equipments. Details in most cases wear out, instead of collapse. Raise of their wear resistance is a perspective problem. The most economic way is drawing hard-wearing coverings on a surface of the details made of steel. In our work coverings from oxide…
A series of calculations are carried out to investigate systematically the electronic band structure of bulk HgTe under uniaxial strains with the relaxed-volume by means of the full potential linearized augmented plane-wave method. Our results show that there is a topological insulating phase induced by proper uniaxia…
Dielectric dispersion is studied on films of vinylidenefluoride-trifluoroethylene copolymer P(VDF/TrFE) prepared using the Langmuir-Blodgett technique. The Debye type of dielectric relaxation is observed for all films of different compositions and thicknesses. It is shown that the relaxation time depends on film thick…
New laser-active liquids, POCl3-TlCl3-Nd3+ and POCl3-TlCl3-235UO 2 2+ -Nd3+, were prepared. U(VI) compounds dissolve in POCl3-TlCl3 only in the presence of Nd, and in stable solutions [Nd3+]/[UO 2 2+ ] > 4. The experimental data confirm the previously found correlation between the properties of POCl3-MCl x -235UO 2 2+…
The microstructure and mechanical properties of AZ81magnesium alloys after unequal channel angular pressing (UCAP) was investigated using self-made 90° die under different temperature. The results showed that under the same pressing speed, there was a better grain refinement and mechanical property improvement with th…
The assessment of the resolution of scanning tunneling microscope when operated in the scanning mode has been made based on the analysis of the tunneling current on parameters of diamond tip-sample system. The scanning parameters and accuracy of supporting the constant tunneling current by the system of the instrument…
Coefficient of dynamic viscosity (η) for uniaxial rectangular bar of steel is calculated using creep simulation in Ansys. Norton Secondary creep law with coefficients at 600 ᵒC is used. Steel bar is then inflicted with some damage elements in order to investigate the evolution of dynamic viscosity for varying degree o…
A polymeric photobase generator containing oxime-urethane groups is applied to a fluorescence micropatterning material. Polymer bearing oxime-urethane groups was prepared by copolymerization of methyl methacrylate with methacryloyloxyethyl benzophenoneoxime urethane (MBU). The reaction of amino groups in the irradiate…
The Ni-P-Al2O3 composite film was coated on mild steel of SS400 with electroless plating method. In this process, different sizes of Al2O3 particles and different blended amounts of Al2O3 particles into the plating solution were applied. From the surface and cross section observation, it is known that the Al2O3 partic…
The optical properties and morphology of Aluminum (Al) doped Zinc Oxide (ZnO) thin films prepared by sol-gel method have been investigated. The thin films were prepared at annealing temperature of 550 OC and have been exposed under wet and dry conditions. UV-Vissmeasurements have been carried out to investigate the op…
This paper is a contribution to improve the quality of the electrical energy, of which we study a new compensator that is a combination between a parallel active filter and an UPQC. The two FAP parts use a method of identification of the disruptive currents taking as a basis on calculates it of the reference currents…
Alloy nanostructures formed by magnetic and nonmagnetic components play a significant role in sensor applications due to their unique magnetic properties. In this study cobalt-silver nanomaterial has been synthesized by chemical reduction using sodium borohydride, though Co and Ag are immiscible according to their pha…
This paper discusses the sensitized fluorescence of coumarin-30 in nanoparticles self-organized from complexes of phenylbenzoyltrifluoroacetone and 1, 10-phenanthroline with ions of the lanthanides, yttrium, aluminum, and scandium in water–alcohol solutions. It is shown that, when nanoparticles are formed from complex…
The thermal parameters of 3Cr2Mo plastic die steel were tested. The temperature fields of 3Cr2Mo plastic die steel with the thickness 120mm were calculated and analyzed under two quenching processes. The results showed that for interrupted process the cooling velocity was faster when the temperature was more than 500°…
This paper is devoted to the problems of increasing the reliability of industrial pipelines of compressor stations (CSs) that are subjected to bending loads. The results of the bending load simulation at a tube test bench are presented and variations in the stressed state under load are analyzed. Practical methods for…