Materials Literature
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Stefan-Maxwell Model (SMM) and simple Fick’s Model (FM) type of relations both including Knudsen diffusion for the calculation of species mole fraction distribution inside the porous anode of a solid oxide fuel cell (SOFC) were compared and it was found that at low current densities the models agree well but as curren…
Nanofibers of poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT) and poly(ethylene 2,6-naphtalene dicarboxylate) (PEN) were prepared by electrospinning, and the resulting morphologies were investigated by polarizing optical microscopy, scanning electron microscopy and transmission electron microsco…
We have investigated the rf sputtering deposition of V2O3, VO2 and V2O5 from metallic V as target material, and we present the results related to the optimal conditions for the deposition of the three oxides.
The oligomer of bis-phenol A (oligo-PC) with M w = 1300 and bis-phenol A polycar-bonate (PC) with M w = 20 000 were deposited onto E-glass surface using SiCl4 as the grafting and cross-linking agent. Thickness of the deposited layers was varied from 30 to 106 nm and the layers were investigated as prepared and after t…
We perform the calculations on geometric and electronic structures of Si-doped heterofullerene C 50 Si 10 and its derivatives, a C 40 Si 20 -C 40 Si 20 dimer and a C 40 Si 20 -based nanowire by using density-functional theory. The optimized configuration of the C 40 Si 20 -based nanowire exhibits a regular dumbbell-sh…
Various kinds of optical near-field apertures have been proposed for higher throughput and smaller spot size. However, few studies have mentioned the readout characteristics of the recorded marks on an optical disk illuminated by a near field optical light. In this paper, we have investigated the scattering light by a…
Environmental problems caused by extensive use of polymeric materials arise mainly owing to lack of landfill space and depletion of finite natural resources of fossil raw materials like petroleum or natural gas. The substitution of synthetic petroleum-based resins with natural biodegradable resins appears to be one ap…
A series of systematically modified porphyrin esters, compounds 1-6, with multiple, permanent positive charges introduced at the meso-positions via N-methylated 4-, 3-, or 2-pyridyl moieties, were prepared and characterized. Their singlet-oxygen production, CT-DNA-binding properties, and plasmid-DNA photocleavage prop…
Secure information retrieval technology aims at status identification and documentation authentication. Ideally, materials or devices used in these technologies should be hard to find, difficult to counterfeit, and as simple as possible. This manuscript addresses a novel information retrieval technology, with photolum…
Abstract. A potential alternative extreme ultraviolet EUV light sourcefor lithography is studied. The ZaP z-pinch Flow Z-Pinch experiment isstudying the effect of sheared flow on gross plasma stability. In the ex-periment, hydrogen gas is used to produce plasma with quiescent peri-ods in the magnetic mode activity, whi…
Electrochemical Behaviors for Conductive Porous Alumina Composites with Gelcast-Derived Nanocarbon Networks in Aqueous Solutions, Liu, Jingjun, Menchavez, Ruben L., Watanabe, Hideo, Fuji, Masayoshi, Takahashi, Minoru
This paper addresses a new method of surface patterning for thin aluminum films using photolithography, anodization, and chemical etching. Aluminum film with a thickness of about 150nm was deposited on titanium-coated silicon or slide glass substrates. Subsequently, square masks were patterned on the aluminum film usi…
Transmission line metamaterials on coplanar waveguide with series-capacitive and shunt-inductive distributed loading in periodical intervals are characterized using our developed fullwave self-calibrated method of moments. Firstly, the two effective per-unit-length transmission parameters, i. e., complex propagation c…
Whenever the symmetry of an infinite solid ionic system is broken by introducing interfaces the result is a charging process. (There are only very singular sets of parameters for which the excess charge vanishes.) Unlike metals, where the redistribution of matter caused by the introduction of the interface (e. g. segr…
The effect of crystal multiplication at the mold wall during casting process, so-called “Big Bang” phenomenon, on the macrostructure of Al–Si alloy was examined. Conventional casting experiments were carried out and the degree of the crystal multiplication at the mold wall was evaluated by simulating the macrostructur…
Ultra-sonic fatigue tests were carried out for W-Mo type high-speed steel specimens containing 40 ppm N (low N), 160 ppm N (middle N) and 400 ppm N (high N). The fatigue strength of the high-N specimen was lower than those of the low-N and middle-N specimens, which were nearly identical. The increase in N content caus…
Typical ASME Section XI subcritical cracking analyses assume an idealized flaw shape driven by stress intensity factors developed for semi-elliptical shaped flaws. Recent advanced finite element analyses (AFEA) conducted by both the US NRC and the nuclear industry for long circumferential indications found in the pres…
Sr2FeMo1-xNbxO6 (x=0, 0.2, 0.4, 0.6, 0.8 and 1.0) samples were prepared by a conventional ceramic method. The samples were sintered in 3 %H2/N2 gas at 1100°C for 6 hours. Analysis of the X-ray data shows that the samples are of single phase in double perovskite. The magnetization and the conductivity values are found…
Abstract NO molecule adsorption on (010) surface of gold selenide (AuSe) has been studied with a periodic slab model by means of the GGA‐PW91 exchange‐correlation functional within the framework of density functional theory (DFT). Four different on‐top adsorption sites Au(1), Au(2), Se(1) and Se(2) were considered for…
We describe a computational framework linking uncertainty quantification (UQ) methods for continuum problems depending on random parameters with equation-free (EF) methods for performing continuum deterministic numerics by acting directly on atomistic/stochastic simulators. Our illustrative example is a heterogeneous…