Materials Literature
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To develop a tritium monitoring system with a membrane gas separator, the extraction characteristics of a hydrogen isotope pump using CaZr0.9In0.1O3−α as proton conductor were evaluated over the temperature range from 873 K to 1073 K by electrolysis of tritiated water vapor. Although the isotope ratio between proton a…
This work focuses on the synthesis of morphology-controlled BaMoO4:Eu3+ micro-crystals such as microparticles and micro-rods using a facile molten salt method, and their morphology, structural characterization, and luminescent properties were comparatively investigated by X-ray powder diffraction (XRD), scanning elect…
An electrostatically self-assembled film of PMo12/H6 has successfully been prepared on quartz substrates by alternating adsorption of [PMo12O40(3-) (PMo12) and a bipolar hemicyanine derivative of (E)-1,1'-(hexane-1,6-diyl)bis(4-(4-(dimethylamino)styryl)pyridinium) bromide (H6Br2). The UV-visible spectra showed that th…
A one-dimensional nanofibrillar array formed by the co-assembly of native and biotin-functionalized beta-amyloid (Aβ) peptide was developed for biomolecule sensing. With the presence of biotin moiety, a variety of biomolecular probes can be conjugated onto the nanofibrils, thus converting the protein assembly into a m…
Yb3+-Tm3+-Tb3+-codoped YF3 and NaYF4 nanocrystals (NCs) were synthesized using a simple hydrothermal method. Under 980 nm excitation, violet and ultraviolet upconversion (UC) emissions of 5D3 --> 7FJ (J = 6, 5, 4) and 5D4 --> 7FJ (J = 6, 5, 4, 3) of Tb3+ ions were observed with the fluoride NCs. In the Yb-Tm-Tb codope…
Uniformly distributed polycrystalline indium nanohillocks are synthesized on silicon substrates with Au catalyst by using the radio frequency magnetic sputtering technique. The results show that the Au catalyst plays a key role in the formation of indium nanohillocks. After thermally oxidizing the indium nanohillocks…
Mesoporous silicas were synthesized by condensation of tetraethoxysilane (TEOS) in the presence of Pluronic P123 as a structure-forming agent, and sucrose as an auxiliary agent, to investigate the effect of sucrose and aging temperature on the final properties, particularly structure-adsorption characteristics. Obtain…
Cryogenic treatment of cutting tool material has been reported improving properties of the materials, resulting improved performance. Tungsten carbide is most accepted and widespread cutting tool material in the industry. Cryogenically treatment of tungsten carbide has shown favorable results. However, still much is u…
While the organic ammonium compounds are known to be effective against mild steel corrosion in HCl, these cationic salts are not as effective in sulphuric acid media. A new series of tertiary diallylamines containing C12, C14, C16 and C18 alkyl hydrophobes, N-hexadecylpyrrolidine and their corresponding ammonium salts…
Influence of halide ion coordination on the basic properties and stability of indium(III) octaphenylporphyrazine complexes in acid medium have been studied. Five-coordinated halide complexes [(Hal)InPAPh 8 ] (Hal = F, Cl, Br) are stable in dichloromethane or chloroform solutions acidified with trifluoroacetic acid up…
Nanoparticles of different materials have hitherto been synthesized and are continuously being synthesized by bringing about reduction of certain metallic salt solutions as precursors using strong chemical reducing agents. However, it is found that these reducing agents have not been found to be eco-friendly which mak…
Abstract Two novel isomeric photochromic diarylethenes with an indene bridging unit have been prepared by a simple and efficient one‐step synthesis method. Their properties, including photochromic behavior, fluorescent properties and fatigue resistance, have been investigated. These two isomeric compounds showed photo…
A review is provided of the research progress of silica modified with vinyltriethoxysilane (VTES-SiO 2 ). The typical methods for preparing VTES-SiO 2 are introduced. The structure and stability of VTES layer and the controllability of various modified methods are elucidated. The characterization of VTES modified laye…
The temperature dependence of the electrical conductivity and current-voltage characteristics of γ-irradiated TlInSe2 single crystals with an electrical resistivity of ∼108 Ω cm have been investigated. It has been established that the anomalies of the conductivity observed in weak electric fields and at low dozes of i…
Castor oil and microcrystalline cellulose were employed as biomass feedstock to produce bio-based polymer composites with increased tensile strength. The polymer composites were prepared by curing castor oil with 4,4'-methylenebis (phenyl isocyanate) (MDI) in the presence of microcrystalline cellulose (MC) or modified…
An electrostatic force microscope system in a scanning electron microscope specimen chamber was developed to measure the surface potential of an insulator film on a conductive substrate irradiated by an electron beam. As the accelerating voltage varies with the constant beam current, the surface charges positively if…
Organic nanoparticles of metalloporphyrins can be a versatile catalyst for the selective oxidation of alkenes and other hydrocarbons. The catalytic activity of the metalloporphyrin depends on the nature of the central metal atom, peripheral groups, and the architecture of the porphyrin macrocycle. Herein, we report th…
the landing characteristics of the aircraft on the aircraft carrier. The mousche is designed and constructed out of carbon-fiber-reinforced plastic to withstand the full load and is deployed using the actuator bank containing the arrays of shape memory alloy elements. The shape memory alloy actuator bank moves a dista…
The steels employed to-date by auto-makers for body-in-white manufacturing are discussed in the paper along with multi-structure materials of superb features (transformation-induced plasticity/twinning-induced plasticity effect steels). Technical suggestions are formulated for their welding by resistance spot method.
peer reviewed