Materials Literature
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Solid Oxide Fuel Cell (SOFC) is a green energy technology that offers a cleaner and more efficient alternative to fossil fuels. The fabrication of miniaturized device structure for fuel cell manufacturing is a viable method for improving their efficiency. In this research, single chamber-SOFC with inter-digitized stru…
Possible mechanisms of plastic deformation and failure of nanostructured and cluster amorphous materials have been considered. It is shown that the most probable carriers of plastic deformation in these materials are macrodislocations—linear topological defects of the regular nanocrystallite packing in the nanostructu…
This communication reports on the effect of thermal annealing on the physicochemical and electrical properties of boron doped amorphous silicon thin films deposited by reactive magnetron sputtering in a mixture of argon and hydrogen atmosphere. The IR absorption spectra of as prepared samples exhibit the peaks charact…
The general purpose Monte Carlo N-Particle Radiation Transport Computer Code (MCNP4C) was used to calculate the equivalent dose to the person or people accompanying patients who have been exposed to radiation that was scattered from the patient. To do the calculations, two homogeneous water phantoms were used to simul…
The effects of growth conditions on one-dimensional nanorods in ErBa2Cu3O7-δ films are discussed in terms of their microstructures and superconducting properties. The Ba(Er0.5Nb0.5)O3 nanorods were observed clearly in transmission electron microscopy images of the films. Nanorod morphologies were controlled by managin…
Vegetable oils are a renewable source for the production of oleochemicals. One chemical modification of vegetable oils is epoxidation, where fatty acid unsaturations are converted to epoxy groups. Oils with high oleic content may be an excellent source for producing epoxy resins, because of the uniform distribution of…
The aluminizing process is performed in air at 1173K after the aluminum has been bonded to a carbon steel S45C surface by hot dipping or pressure bonding, Al-rich alloy layers are first formed by diffusion of Al into the steel, but as the diffusion progresses, these layers become Fe-rich. However, each of the alloy la…
Molecular models of compounds in lightsticks presented include 1,2-Dioxetanedione; rubrene, 5,6,11,12-tetra-phenylnaphthacene; and 5,12-Bis(phenylethynyl)naphthacene.
Phase behavior in a water/lysophospholipid system was investigated. A hydrated solid phase is observed at low temperature. Above the melting temperature of the hydrated solid a micellar phase at low surfactant concentration and a liquid crystalline phase at high surfactant concentration were observed. Similarly to pol…
Polyazido nitrogen‐rich heterocyclic energetic compounds have gained attention recently due to their high heats of formation and less hazardous effects on the environment. These compounds are generally featured with C‐N binary heterocycles. It was also found that they may serve as precursors for the preparation of car…
Besides chemical functionalisation, the use of surfactants can be applied to debundle and disperse carbon nanotubes before further application in polymer nanocomposites. In this work we present a theoretical analysis of the interaction between single-walled carbon nanotubes and sodium dodecyl sulfate as surfactant and…
The present state of experimental and theoretical research on diluted magnetic insulators (thin oxide films doped with transition metals) is discussed. The fundamentally irremovable thermodynamic nonequilibrium character of these films makes it possible for long-range ferromagnetic order to be established in them or f…
A chemiluminescence (CL) probe of peroxidase-like dicopper complex (Cu2L2) for the determination of glutathione (GSH) and related cellular thiols was developed for the first time.
1,3-Dimethyl-5-bis(thiomethyl)methylenebarbituric acid (8) is obtained from 1,3-dimethylbarbituric acid and CS2/NEt3 followed by alkylation with methyl iodide. Compound 8 reacts with aqueous ammonia to give 5-amino(thiomethyl)methylene-1,3-dimethylbarbituric acid (9). With benzylamine, the thiomethyl substituent in 9…
Numerical simulations by thermal-elastic-plastic-creep analysis using finite element method (FEM) have been performed to evaluate residual stress distributions in a reactor pressure vessel (RPV) caused by weld-overlay cladding, post-weld heat treatment (PWHT), hydrostatic test, operation and pressurized thermal shock…
We investigated the effect of the CeO2 buffer layer thickness on YBCO films prepared on CeO2/YSZ/CeO2-buffered Ni-electroplated Cu tapes. The thickness of the CeO2 layer was found to be critical. The thickness of the CeO2 seed layer was varied to be from 80 to 300 nm and the thickness of the CeO2 cap layer was varied…
The monoclinic (space group C2/m) superstructure of the suboxide V14O6, which is formed as a result of the atomic and vacancy ordering of the tetragonal solid solution of oxygen in vanadium, is investigated using X-ray diffraction and symmetry analysis. The monoclinic suboxide V14O6 is observed in the vanadium oxide s…
The indium-tin oxide (ITO) nanocrystallites with different average grain size and Sn4+ concentration were synthesized by the modified Pechini method. The X-ray diffraction (XRD) and for the selected samples the transmission electron microscopy (TEM) analysis were done for structure and morphology determination. On the…
Size controlled hydroxyapatite powders with nanometer sizes were directly prepared by high temperature flame spray pyrolysis. Nanosized hydroxyapatite powders were formed from the evaporated vapors by chemical vapor deposition process. The composition ratio of calcium and phosphorous components was 1.67. The mean size…
Ultra‐fast laser‐induced positive refractive index changes in bulk Tellurite glass were investigated. The refractive indexes of waveguiding structures were measured using the far‐field approach. Filamentation was observed for certain irradiation conditions.