Materials Literature
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A method for and the results from modeling a film probe-shaping lens satisfying stringent mass-dimensional requirements and intended for use as part of an Auger analyzer equipped with a CMA are presented. The optimized electron-optical characteristics of the lens (the distribution of effective potential and the geomet…
When an excitation of the first lens determines a beam is parallel beam, a brightness that is 100 times higher than Langmuir limit is measured experimentally, where Langmuir limits are estimated using a simulated axial cathode current density which is simulated based on a measured emission current. The measured bright…
Storage of pharmaceutical discovery compounds dissolved in dimethylsulfoxide (DMSO) is commonplace within industry. Often, the DMSO stock solution is added to an aqueous system (e.g. in bioassay or kinetic solubility testing)- since most test compounds are hydrophobic, precipitation could occur. Little is known about…
Magnetoresistance (MR) devices using degenerated oxide semiconductors, Nb-doped SrTiO 3 , (Nb-STO) as intermediate layers between two ferromagnets were fabricated and their magnetic and transport properties were evaluated. Magnetic junctions using the trilayer films showed MR of ∼5% at 4.2 K, and the sign and the magn…
N-Alkyl-substituted polyurethanes with different alkyl chain lengths were prepared from the corresponding bromoalkane (1-bromooctane, 1-bromotetradecane, and 1-bromooctadecane) and polyurethane consisting of poly(propylene glycol) (PPG), 4,4'-diphenylmethane diisocyanate, and 1,4-butanediol. The synthesised materials…
Lowering the working temperature of solid oxide fuel cells (SOFCs) is the main trend in their development, which requires selection of materials for electrolyte and electrodes. A highly conducting lanthanum gallate-based electrolyte is a promising material for creating medium-temperature SOFCs. The electrochemical cha…
Based on the spin-fluctuation approach and the first-principles calculations of electronic structure, the mechanism of spontaneous magnetostriction accompanying the first order ferromagnetism–paramagnetism transitions in the Mn2−xFexAs0.5P0.5 magnetocaloric system is analyzed. When simulating the electronic structure…
The property of high oxygen storage capacity (OSC) of Ceria is an important component in three-way catalysts (TWC), which depends on the low reduction temperature, high surface area and stable crystalline structure. These are required to be improved using mixed oxides for the increased OSC of TWC. Though a good number…
Magnetism and multiplets for Fe-phthalocyanine molecules were investigated based on the constraint density functional theory (DFT) by imposing a density matrix constraint on the d-orbital occupation numbers. We demonstrate that for a single FePc molecule, there are three stationary states of multiplets, 3 E g , 3 A 2g…
The effects of sintering temperatures on consolidation and mechanical properties of 3 mol% Y-TZP (3Y-TZP) powders were studied in this work. Samples were sintered at 1250°C to 1450°C sintering temperature in air. Throughout the sintering regime, high value of relative bulk density 99.41% of theoretical densities was o…
The impact of Be tile size on the stress exerted on the CuCrZr heat sink for the ITER EHF finger was examined. The study especially focused on the areas beneath the tiles that are exposed to the high convective heat flux. For reference, in a Be tile size of 50x50x8 mm3, the calculated equivalent strain range using ela…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
The revision of ostracodes originally established by Aurel Krause is continued and finished with the description of the following species: Primitia distans, P. elongata, P. cincta, P. excavata, P. papillata, P. plicata, P. schmidtii, Strepula limbata, S. simplex, Entomis obliqua, E. plicata, E. sigma, E. sigma ornata,…
We report ab initio calculations of atom substitute in the graphene and atomic adsorption on the graphene with the defect. We calculated local stable structure, the bond energy and magnetic moment when N, Al, Ga and In atom are adsorbed to the point defect graphene. The structure of N atom substitution in the defect s…
Biocomposite films from polylactic acid (PLA) and 40wt% banana stem microcrystalline cellulose (BS MCC) were prepared by a twin screw extruder. Two types of cellulose ester, i.e. cellulose butyrate and cellulose laurate were used as a compatibilizer. The cellulose esters were prepared via acylation process under micro…
We studied the low energy (5.4 keV) He+ion irradiation effect on the properties of chemical vapor deposited graphene transferred onto SiO2/Si substrate. For a small dose density of 4 × 1012 He+/cm2, both the G and 2D bands in the Raman spectra exhibit blue-shift and the intensity ratio of the 2D and G peaks decreases.…
In this paper, we report about the first experimental verification of evanescent waves enhancement inside wire metamaterial. The enhancement is originated by resonant pumping of standing waves inside the wire metamaterial. An excellent agreement between the experimental data and numerical results is found. Furthermore…
Cu/Al joints with large faying surface and high bonding ratio were fabricated with an ultrasound-assisted fluxless brazing method using a Zn-3Al near eutectic filler metal. The microstructure, tensile strength, and corrosion resistance of the joints were investigated in terms of brazing temperature. Results showed tha…
A huge amount of industrial water is necessary for continuous development of industries in the world. Various mineral scales forming at facilities on the ground within the water utilization process due to dissolved salts in the natural waters. Silica scale is a significantly serious problem to prevent the effectively…