Materials Literature
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We design an effective light trapping scheme through engineering metallic gratings and one-dimensional dielectric photonic crystals (PhCs) to increase the optical path length of light within the solar cells. This incorporation can result in broadband optical absorption enhancement not only for transverse magnetic pola…
Crystal structures of Citrobacter freundii methionine γ-lyase complexes with the substrates of γ- (L-1-amino-3-methylthiopropylphosphinic acid) and β- (S-ethyl-L-cysteine) elimination reactions and the competitive inhibitor L-norleucine have been determined at 1.45, 1.8, and 1.63 Å resolution, respectively. All three…
This paper presents a general method for predicting the cogging torque in surface-mounted permanent magnet machines having different slot sizes and uneven positions by synthesizing the cogging torque associated with each slot, which is obtained by the subdomain model. The developed model is applied to analyse the infl…
In this paper, nitrogen doped TiO2 photoanodes were achieved by calcining the mixture of urea and the commercial P25 nanoparticles slurry. Its application in the dye sensitized solar cells was examined. X-ray photoelectron spectroscopy indicated the N substituted the O atoms and formed N-Ti-O bonds. The optical band g…
This work was undertaken to help understand and interpret the ultrasonic wave reflection response of Portland cement paste as it transforms from a fluid-like suspension to a solid in the first hours after mixing. A high impact polystyrene buffer (delay line) was used to measure small changes in the P- and S-wave refle…
A pendant drop tensiometer, coupled with image digitization technology and a best-fitting algorithm, was built to accurately measure the surface tension of glass melts at high temperatures. More than one thousand edge-coordinate points were obtained for a pendant glass drop. These edge points were fitted with the theo…
A strict analytical expression for the Fermi energy of electrons in a thin metallic plate as a function of the plate thickness at a given electron density has been derived for the first time. The derivation has been carried out taking into account the size quantization in the free-electron approximation at zero temper…
Article Coating: Oxygen scavenging enzymes in coatings – Effect of coating procedures on enzyme activity was published on May 1, 2011 in the journal Nordic Pulp & Paper Research Journal (volume 26, issue 2).
A simple adiabatic calorimeter has been built to investigate the heat capacity of small (≤1 cm3) samples of carbon nanomaterials at temperatures ranging from 1 to 300 K. It enables (i) rapid mounting of samples (ii) doping of samples with gases directly in the calorimeter, and (iii) rapid cooling of samples to liquid…
Covers advancements in spacecraft and tactical and strategic missile systems, including subsystem design and application, mission design and analysis, materials and structures, developments in space sciences, space processing and manufacturing, space operations, and applications of space technologies to other fields.
The present experimental study deals with the temperature and the stacking sequence effects on the response of the composite cylinders under the internal pressure. GRP composite cylinders were manufactured by using E-glass fibers and epoxy resin and tested for the close-ended condition. Test specimens were manufacture…
The position of the spinel-post-spinel phase transition in Fe 3 O 4 has been determined in pressuretemperature space by in situ measurements using a multi-anvil press combined with white synchrotron radiation. Pressure measurement using the equation of state for MgO permitted pressure changes to be monitored at high t…
The curing mechanism of furfuryl alcohol and urea-formaldehyde furan resins was investigated using infrared spectroscopy (IR) technique. The curing productions of urea-formaldehyde furan resins modified with different agents (i.e. sorbitol, polyester polyol, phenol and acetone) and the productions of incomplete curing…
A post heat treatment is developed to improve the “two-step dip coating process” in which poly-N-vinyl-2-pyrrolidone (PVP)-capped Pt nanoclusters are deposited with the aid of appropriate conditioner on transparent conductive oxide (TCO) glass as counterelectrode for dye-sensitized solar cell (DSSC). Charge transfer r…
This paper is a study of the electromigration (EM) effects of micro bumps at silicon-silicon interface in 3DIC package for 28nm technology and beyond. Two joint schemes were designed and fabricated: one of the schemes was the joining of Sn-capped Cu post to ENEPIG (Electroless-Nickel-Electroless-Palladium-Immersion-Go…
The parallel performance of applications running on Non-Uniform Memory Access (NUMA) platforms is strongly influenced by the relative placement of memory pages to the threads that access them. As a consequence there are Linux application programmer interfaces (APIs) to control this. For large parallel codes it can, ho…
The selection and design of motor for electric and hybrid vehicle is very important as the motor in this application should posses high power density, higher efficiency, fit in to limited space, and supreme heat removal capacity. One of the better selection for this kind may be an axial flux brushless DC motor. In thi…
New magnetic structures such as multilayer systems of magnetic nanoislands being alternating layers of nanoislands of various magnets have been proposed. The electric, magnetic, and magnetooptical properties of the systems have been studied. The magnetoresistance of ∼2% related to the anisotropic effect has been revea…
A method of making transition metal oxide materials that result in resistive switching properties stable over time and temperature is described. We have developed an ultra low temperature (≤450°C) process for carbonyl ligand modified NiO thin films based on the chemical solution deposition (CSD) for correlated electro…
Abstract Finite element analyses are performed in order to determine the effective thermal conductivity of closed‐cell Alporas® foam and open‐cell M‐Pore® sponge. The investigated finite element models are based on high resolution micro‐computed tomography images. The complex structures of the real materials are very…