Materials Literature
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A novel method to modify the size of Yb/Er:KMnF <sub>3</sub> NCs by introducing Zn <sup>2+</sup> in the initial solution is presented, and the results can provide direct evidence for the size-dependent upconversion luminescence.
To control the wettability of polymer interfaces with water without using perfluorinated chains, the 3,4-ethylenedioxythiophene (EDOT) monomer and its derivatives have been good candidates for surfaces formed by electrodeposition.
Morphological changes observed in the binary mixtures of nematic liquid crystal and ionic liquid with externally applied electric signals.
By using external strain, the magnetic ground state can be deliberately tuned, which would be propitious to their advanced applications.
Electrosynthesis of Cu <sub>2</sub> S thin films on TCO using a single-source precursor, [Cu(mdpa) <sub>2</sub> ][CuCl <sub>2</sub> ]. Deposition of the thin films occurs with the optimization of precursor concentration.
The advances, drawbacks and application suggestions of QDs, UCNPs and CDs in HCC and other cancer detection fields are discussed.
Novel diamine monomers having unsaturated long-chain alkyl group (Oleoyl-DA) and saturated long-chain alkyl group (Stearoyl-DA) were synthesized from dibromo benzoic acid. The novel polyimides and copolyimides were synthesized from 3,4’-ODPA as a dianhydride, above diamines having unsaturated long-chain alkyl group or…
Considered in this paper are the factors influencing sensitivity of analytical devices based on surface plasmon resonance phenomenon. The decrease in temperature influence on sensitivity of these devices can be reached using thermo stabilization of the whole device with flow cells for studied substances. Adduced here…
We report on the characteristics of aluminium trihydrate filled poly(methyl methacrylate) composite (PMMA/ATH) coatings realised by plasma deposition at atmospheric pressure. For this purpose, PMMA/ATH powder was fed to a plasma jet where the process and carrier gas was compressed air. The deposited coatings were inve…
In this study, 9 nm superparamagnetic iron oxide nanoparticles (SPION) were functionalized by polyamidoamine (PAMAM) dendrimer. Using tetracholoroauric acid (HAuCl4), magnetodendrimer (MD) samples were conjugated by gold nanoparticles (Au-NPs). Two different reducing agents, i.e. sodium borohydride and hydrazine sulfa…
Tunable potential oscillations are obtained by electrochemical etching of n-InP (100) in the 3 M NaCl solution using the chronoptentiometry with current ramp. The regular 3D nanopore arrays are formed with the change of the current density from 320 to 260 mA·cm −2 at the scan rate 0.72 - 0.80 mA·cm −2 ·s −1 . The resu…
The use of polymer fibre reinforced Composite materials is finding applications day by day in engineering fields such as aero-space, automotive, aircrafts constructions, etc. Glass fibre polymer composites are reinforced with granulated blast furnace slag (GBFS) ball milled to size of 5 nm in different weight fraction…
The paper presents that the graphite mechanical activation (MA) results in the particles size reduction and crystal structure disorder. The estimation of the electric conductivity of high-dispersive graphite powders was performed and the specific electric resistance improving is represented to occur after MA by two or…
A significant amount of rhombohedral graphite has been found by X-ray diffraction in spherical carbon particles (nodules) extracted from ductile cast iron using an original technique that consists in a sequencial acid dissolution of the metallic matrix. This clarifies the underlying mechanism acting to produce the nec…
The corrosion behavior of Zr-2.5%Nb pressure tube material and Zr-1%Nb aged at 560 °C for 4 months has been studied in 0.1 M lithium hydroxide solution at 343 °C. The results were compared with those obtained in steam at 400 °C. In the latter, aged alloys showed better behavior than the non-aged materials, whereas the…
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Organic-inorganic hybrid solar cells display potential to be high efficiency and low cost photovoltaics due to combined advantages of high stability, high mobility and well developed fabrication process from inorganic materials and the properties to adjust organic molecule structure, absorption spectrum and bandgap fr…
Scintillation glass is an attractive material due to its many advantages including low-cost and easy-manufacturing compared with single crystal. However the low density of glass scintillator restricts its applications. The introduction of heavy components such as PbO and Bi2O3 allows the density of the glass to be eas…
The pressure wave emitted by a pulsating bubble affects the motions of other bubbles, so in an acoustic field bubbles are in a state of coupled oscillation. In this paper, a cluster with cavitation bubbles inside is considered, and a mathematical model is developed to describe the dynamics of the bubbles of the same r…
The object of considerations is a laminate, made of two components nonperiodically distributed as microlaminas along one direction. In this note, two models describing the thermoelasticity problems are proposed: the tolerance model, taking into account the effect of the microstructure size on the overall behaviour of…