Materials Literature
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A series of poly (hydroxyethyl methacrylate)-g-polycarboxybetaine methacrylate ester (PHEMA-g-PCBMAE) hydrogels were synthesized using reversible addition-fragmentation chain transfer (RAFT) polymerization in the presence of crosslinker. Then differential scanning calorimetry (DSC) was used to characterize PHEMA-g-PCB…
In this paper attention is devoted on searching a proper model for characterizing the behavior of giant reeds. To aim at this, firstly, meticulous experimental tests have been performed in the Laboratory of structural materials of University of Palermo. Further, the novel aspect of this paper is that of using an advan…
Abstract Inverted transparent organic light‐emitting diodes (i‐TOLEDs) were fabricated using thermal evaporation and spray methods. Only oxide compounds were used for the electron injection layer (EIL) of the diodes, and no alkali metals were included. Furthermore, these i‐TOLEDs were fabricated with a nanoscale metal…
Experimental methods, such as OM, TEM and property testing, were used to study the HAZ microstructure and property of X80 pipeline steel. HAZ can be divided into three regions, such as coarse grain zone, transition zone and fine grain zone. Granular bainite of CGHAZ consists of bainite ferrite (BF) lath and M/A consti…
This paper mainly focuses on the design and electromagnetic analysis of magnetic field distribution and torque characteristics of a novel three-degree-of-freedom deflection type permanent magnet actuator based on analytical and 3D finite element method with comparison analysis. The air gap flux density distribution is…
Porous Al with controlled pore size was prepared by the spacer method including spark plasma sintering and the dissolution of space-holding NaCl particles. The NaCl of the controlled pore size (particle diameter control range of 5˰ڌm~20˰ڌm) were prepared by precipitation method. The effects of sintering condition such…
Chemical bath deposition (CBD) Zn(O,S) buffer layers grown on Cu(In1−xGax)Se2(CIGS) thin films have recently surpassed CdS in high efficiency cells (20.9%). A critical component of a CIGS device is the buffer layer - the layer that is found between the absorber CIGS layer and the ZnO window layer. Although CBD CdS is…
New series of mixed-ligands complexes of dioxouranium (VI) with the Schiff bases and H2O, py, DMF, bipy, phen and Et3N have been synthesized. The elemental analyses, IR, 1H-NMR and 13C-NMR spectra, electronic spectra, magnetic susceptibility measurements and thermogravimetric analyses were used in the synthesis of com…
Capacitors are ubiquitous in signal processing circuits. Dielectric capacitors based on metal-oxide-semiconductor (MOS) and metal-insulator-metal (MIM) designs are currently the industry standard for on-chip charge storage. By comparison, electric double-layer capacitors (EDLC), or supercapacitors, offer capacitances…
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…