Materials Literature
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Ion implantation is used for various purposes in manufacturing semiconductor devices such as MOS-FETs. In the present study, effects of implantation of P+or B+ions on the structural change of single crystal LaAlO3were examined. The optical absorption edge located at about 5.6 eV, which corresponds to the band gap ener…
The present study reports a facile and effective approach for fabrication of hollow silica-alumina composite spheres. In this approach, silica-alumina composite walls were coated on polystyrene template by the sol-gel method using L(+)-arginine as a promoter for the reaction followed by calcination procedure. Using L(…
XPS measurements were made on Bridgman-grown crystalline ingots obtained from melts of composition CuInSe2+xplus [Na] atomic amounts of elementary sodium, where [Na] ranged from 0 to 6 % and x ranged from 0 to 0.2. It was found that the added Na located itself in a surface layer about 0.2 micron thick and none was det…
The lining of steel converters and ladles consists of magnesia-graphite refractories. The steel industry is the biggest consumer of refractories, about 70% of the total production of these materials. For this reason, it is very important to recycle them for the production process. The aim of this work is to carry out…
In this paper, a novel stable piceatannol nanoemulsion is established. The piceatannol nanoemulsion formulation was screened based on the pseudo ternary phase diagrams. An optimized prescription was given as piceatannol 0.54%, EL-40 25.6%, ethanol 3.87%, castor oil 10.30%, water 60.23% (mass ratio), with the mean part…
Heat conductive materials, which widely used in the field like electronic information, electrical engineering and aerospace, are required high thermal conductivity, excellent electrical insulation, corrosive resistance, chemical stability and so on. In this paper, metal/unsaturated polyester (UP) sandwich composite is…
Front Cover: The deposition rate of porous thin films deposited by magnetron sputtering at oblique angles is described assuming two contributions: the incorporation of ballistic atoms and of thermalized, isotropically directed, sputtered atoms. A simple general formula is deduced and experimentally validated. Further…
Equal channel angular extrusion (ECAE) is a severe plastic deformation (SPD) method for obtaining bulk nanostructured materials. The ECAE die consists of two equal channels that intersect at an angle, usually between 90o and 135o. . In the present study, the plastic deformation behavior of copper during the ECAE proce…
In this work, a relational model was established correlating microstructure and tensile properties for the Ti-17 alloy using a back-propagation (BP) neural network technique. In the proposed model, the input data consisted of quantitative microstructural feature parameters, including the volume fraction, thickness and…
In this work we present a multiscale simulation of a solid state dye sensitized solar cell including the real morphology of the active layer. In order to include the real morphology the device domain is split into two different regions: one treated using an effective material approximation and another one using the re…
We present a quantum approach to simulate self-heating effects in transistors based on silicon nanowires and estimate the resulting performance degradation. Our self-consistent thermoelectric simulations are based on the nonequilibrium Green's function approach and provide the heat power transferred from electrons to…
Highly-crystallized fine LiMn2O4 powders have been synthesized by a combination of the mechanochemical (MC) and solvothermal (ST) treatments of LiOH and MnO2 in Acetone. The MC product is amorphous, but, shows the formation of Mn-O-Li bond. The ST post treatment promotes the nucleation of LiMn2O4 by the chemical reduc…
Better security and environmental performance are manifested in the use of paper materials on children furniture; Paper materials are of excellent features in portability, convenience, affordability, air permeability and texture;Also introduces the craft process of paper materials in making children furniture, and ill…
Experimentally-driven research is crucial to the evaluation of any networking technology. In this paper, we focus on research experiments with Mini-CCNx, a convenient yet high-fidelity prototyping tool to evaluate Information-Centric Networking (ICN) proposals that bring named pieces of content as the main element of…
In this investigation, the rare-earth oxide Y2O3combined with Al2O3served as sintering additives and commercial α-SiC powder were applied to fabricate Cf/SiC composites by hot-pressing sintering. The results proved that combination of Al2O3and Y2O3sintering additives was effective for densification of Cf/SiC composite…
We have extensively investigated heavily doped semiconductors as potential plasmonic metals at long wavelengths. The ability to control the doping level in a semiconductor material, both III-V's (InAs/InSb) and Silicon, allows for control of the metal's optical properties, and adds an intriguing additional controllabl…
Efforts at utilizing ceramic materials with their undeniably interesting range of properties in automobile manufacture, has persisted for many years. The corrosion resistance, the resistance to oxidation at high temperatures, the capacity of its resistance to wear and the low relative density of these materials make t…
Mathematical description of alloys solidification on the macro scale can be formulated using the one domain method (fixed domain approach). The energy equation corresponding to this model contains the parameter called the substitute thermal capacity (STC). The analytical form of STC results from the assumption concern…
We had designed and fabricated high efficiency solid state dye sensitized solar cells based on vertical ZnO nanowires arrays by utilizing a mixture paste of LiI, PMII and solid iodine as electrolyte. Polypyrrole-single wall carbon nanotube (PPy-SWNTs) nanocomposites were synthesized on FTO glass by in situ polymerizat…
Resistive Random Access Memory (ReRAM) gained significant interest recently, as they offer new means of performing data storage and processing. This is attributed to its simple structure, low power consumption, high endurance, and high density of integration [1], [2]. Even though recent performance results are encoura…