Materials Literature
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Methods for the synthesis of chalcogenide glasses (CGs) containing active and volatile components, in particular, bromine have been developed. The density, volume expansivity, microhardness, refraction index, and magnetic susceptibility of these glasses have been studied. Using the EPR method, the concentration of the…
The microstructure and electrochemical properties of La0.8−xMg0.2RExNi3.3Al0.3Mo0.2(x = 0.1; RE = Ce, Nd, Pr, Y, Gd, and Er) hydrogen storage electrode alloys have been investigated systematically. The results of X-ray diffraction show that the matrix phase structure of the alloys is composed of the LaNi5 phase and th…
Chaoyi Teng, Hendrix Demers, Nicolas Brodusch, Raynald Gauvin; The f-ratio Quantification Method for X-ray Microanalysis with a Field Emission SEM Applied
The effect of the nanopore size on the mechanical properties of a porous carbon material with the density of 1.4 g/сm 3 is discussed. The atomistic models of porous carbon materials depending on the nanopore size are constructed. The numerical experiments are implemented with using the molecular mechanical method base…
A method that enables the online processing of the experimental field emission data for the large-area emitters has been developed. This is based on an analysis of the SK diagram of volt-ampere characteristics and the plotting of a calibration grid for the efficient microscopic parameters, such as the work function, t…
Conducting polymers (CPs) are easy to process and have tunable physical and chemical properties including conductivity, volume, color, and hydrophobicity. Therefore, these organic polymers are attractive in a broad spectrum of bioelectronic applications ranging from implantable electrodes to biosensors and actuators.…
Phase equilibria have been studied in the sections of Mg(NO 3 ) 2 –NaNO 3 –H 2 O and Ca(NO 3 ) 2 –NaNO 3 –H 2 O systems at the ratio of salt components from 3: 1 to 1: 3 at temperatures of 0 to–35°C. A series of nitrate compositions has been determined, which are promising as deicing agents. Their theoretical (under e…
Conventional internal combustion engine vehicles (ICEV) generally have less than a 30% of fuel efficiency, and the most wasted energy is dissipated in the form of heat energy. The heat energy maintains the engine temperature for efficient combustion as a good aspect, but the amount of heat generation is excessive and…
It reports results of the pump–probe experiment on colloidal solutions of semiconductor CdSe/ZnS quantum dots with 5 nm diameter for intense pulsed resonant excitation at 560 nm wavelength. The dependence of intensity of a transmitted probe pulse on time delay relative to the pump pulse was used to determine relaxatio…
Ternary Strontium Borate glasses were prepared using the conventional melt-quenching method. Longitudinal and shear velocities were measured at 4 MHz at room temperature by Pulse Echo technique. Density is measured using the Archimedes principle. Elastic properties, Debye Temperature and micro hardness have been inves…
Extraordinary transmission through a thick slot in a conducting screen loaded with high-permittivity dielectric is demonstrated. In addition to previously known resonant transmission based on the fundamental waveguide mode of the slot, we show the existence of extremely narrowband resonances associated with the presen…
Paramagnetic centers formed by impurity Yb 3+ ions in synthetic forsterite (Mg 2 SiO 4 ) grown by the Czochralski technique are studied by X-band CW and pulsed EPR spectroscopy. These centers are single ions substituting magnesium in two different crystallographic positions denoted М1 and М2, and dimer associates form…
Abstract Traditional power electronics for military and fast computing applications are bulky and heavy. The “mechanical design” of electronic structure and “materials” of construction of the components have limitations in performance under very high temperature conditions. The major concern here is “thermal managemen…
The efficient water swelling rubber can be obtained by using high hydrophilic rubber such as chloroprene rubber. However, chloroprene rubber is synthetic rubber developed from the petroleum. Recently, many researches try to replace the usage of synthetic rubber with natural rubber. This is not only due to the concerni…
This study was conducted to investigate the possibility of utilizing sludge palm oil (SPO) as processing oil, with various amount of carbon black as its reinforcing filler, and its effects on the curing characteristics and mechanical properties of natural rubber/styrene butadiene rubber (NR/SBR) compound. Rubber compo…
The resistance of metallic materials to ballistic penetration generally depends on a number of parameters related to projectile, impact, and armor plate. Recently, armor materials have been required to have various properties such as hardness, strength, and impact toughness in order to maintain an excellent ballistic…
There are a huge array of characterization techniques available today and increasingly powerful computing resources allowing for the effective analysis and modelling of large datasets. However, each experimental and modelling tool only spans limited time and length scales. Correlative tomography can be thought of as t…
The method for calculating the thermal conductance of “metal–dielectric” interfaces, which takes into account the adhesive interaction and anharmonicity of atomic vibrations at the interface within the acoustic mismatch model and allows achieving better agreement of calculated and experimental data.
The relatively poor mechanical properties of corn fibre (CF) and its green composites have hindered its applications. In this work, sisal fibre (SF) was hybridised with CF to reinforce polylactide (PLA) composites (CF/SF/PLA). The static mechanical properties such as tensile, flexural and impact strengths and dynamic…
This paper describes the preparation and characterization of polymeric nanoparticles loaded with a potent anti-tumor metal chelator, Di-2-pyridylketone-4,4-dimethyl-3-thiosemicarbazone (Dp44mT) for delivery to cancer cells. Metal chelators have been increasingly studied for their anti-cancer properties that rely on th…