Materials Literature
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The performance of six variants of the successive overrelaxation methods (SOR) are considered for an algebraic system arising from a finite difference treatment of an elliptic equation of Partial Differential Equations (PDEs) on a triangular region. The consistency of the finite difference representation of the system…
CdTe-Cys-QDs with a grain diameter of 10.2 nm were synthesized by modifying CdTe quantum dots (QDs) using cysteine (Cys), and their structure was characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD) and fluorescence spectroscopy. The CdTe-Cys-QDs could emit a strong and stable room t…
Investigation on the room temperature strain rate sensitivity using depth sensing nanoindentation is carried out on precursor derived HfO2/Si-C-N(O) ceramic nanocomposite sintered using pulsed electric current sintering. Using constant load method the strain rate sensitivity values are estimated. Lower strain rate sen…
RNase Po1 is a guanylic acid-specific ribonuclease member of the RNase T1 family from Pleurotus ostreatus. We previously reported that RNase Po1 inhibits the proliferation of human tumor cells, yet RNase T1 and other T1 family RNases are non-toxic. We determined the three-dimensional X-ray structure of RNase Po1 and c…
We prepared Mg-doped Sb 2 Te films and investigated their structural, optical and electrical properties.
A new strategy for the immobilization of semiconductor nanocrystals by carrying out in simultaneous the biomimetic synthesis of silica nanostructures and the encapsulation of MPA-capped CdTe quantum dots (QDs).
A second generation of N-methyl-d-aspartate (NMDA) receptor-targeted MRI contrast agents has been synthesised and evaluated in cellulo, based on established bicyclic NMDA receptor antagonists. Their use as responsive MR imaging probes has been evaluated in suspensions of NSC-34 cells, and one agent exhibited significa…
Inverted solar cells were developed using a donor–acceptor (D–A) bulk heterojunction (BHJ) of iron pyrite nanocrystals (FeS2 NCs) and cadmium selenide quantum dots (CdSe QDs). The all-inorganic BHJ nanocomposites showed broad-range absorption and effective dynamics of charge dissociation and transfer through bi-contin…
Multiwalled carbon nanotube buckypapers and their hybrids with Ag nanoparticles have been fabricated with the assistance of polybenzimidazole.
The effect of both the solvent selectivity and rod/coil ratio on the molecular packing structures, morphologies and field-effect characteristics of the crystalline–crystalline P3HT- b -sPP diblock copolymers are reported.
About 7000 concrete bridges in Sweden were built before 1965. The annual cost for maintenance of these bridges is about 0.6% of their total value. The cooling water tunnels at Swedish nuclear power plants have been exposed to seawater for about 30-40 years. The maintenance cost for these tunnels has been evaluated to…
A carbon confinement layer leads to the change in the reduction mechanism of CuO nanowires from a surface dominated process of nucleation and growth to the bulk dominated process of nanowire fragmentation.
The high cost of conventional construction materials is the dominating factor affecting housing systems worldwide. Because of this, further research into alternative materials in construction is required. The purpose of this study is to experimentally investigate the physical characteristics and mechanical properties…
Bi 2 S 3– x Te x bulk nanocomposites with crystal domain sizes in the range from 50 nm to 100 nm were obtained from the reaction of Bi 2 S 3 nanorods with Te powder. The thermoelectric properties of the obtained nanocomposites were analysed in the temperature range from 0ºC to 300ºC. We observed how the thermoelectric…
Eminent depletion of fossil fuels and environmental pollution are the key forces driving the implementation cofiring of fossil fuels and biomass. Cogasification as a technology is known to have advantages of low cost, high energy recovery, and environmental friendliness. The performance/efficiency of this energy recov…
Gem-quality green cryptocrystalline silica formation is relatively rare in nature, and has an interesting mineralogical crystallization and irradiation response of the fine fibrous silica. Chemical analyses of the green material reveal remarkable concentrations of some trace elements, such as nickel, iron, and chrome.…
Bismuth germanate ( Bi12GeO20 ) ceramics were produced using modified Pechini route, and the synthesis parameters, crystalline phases, microstructure, and sintering conditions were investigated. Bi12GeO20 powders with submicrometric particle sizes were investigated for calcination temperatures from 400 to 600°C, with…
We used a bilayer field effect transistor (FET) consisting of a thin PbS nanocrystals (NCs) film interfaced with vacuum-deposited pentacene to probe trap states in NCs. We interpret the observed threshold voltage shift in context of charge carrier trapping by PbS NCs and relate the magnitude of the threshold voltage s…
We developed a centrifugation-based method to quantify the adhesion strength of a thin film to a substrate. Hydrogel was synthesized to covalently bind the film to increase the centrifugal force to dislodge the film in a tabletop centrifuge.
Between August 2011 and April 2012, six rigid pavement test items, designated CC6, were trafficked to full structural failure at the Federal Aviation Administration (FAA) National Airport Pavement Test Facility (NAPTF). The primary objective of these full-scale tests was to investigate the effect on pavement life of c…