Materials Literature
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Fabrication of free-standing carbon-nanotube- (CNT) array films supported by PDMS (poly-dimethylsiloxane) matrix, which opens up the possibility to transform deliberate CNT-array architecture into flexible electronic and photonic components, is reported. Low viscosity and good wetting characteristics of uncured PDMS p…
For multielectron beam systems with a single electron source, the outside beams need to be collimated before entering the individual microcolumns. As an alternative of the traditional multibeam source design where the broad beam from the source is collimated by a single lens, the broad beam can be first split in subbe…
Abstract The electronic structure, linear, and non-linear optical properties of ferroelectric-semiconductor SbSBr are investigated in the non-polar (paraelectric) and polar (ferroelectric) phase, using the density functional methods in the generalized gradient approximation. The electronic band structure obtained show…
Abstract N ‐Maleoyl chitosan ( N ‐MC), a water‐soluble derivative of chitosan, was synthesized by N ‐carboxyacylation of chitosan and maleic anhydride. N ‐MC films were prepared by solvent casting and kept in a desiccator for different time intervals in order to obtain N ‐MC films with different degrees of cross‐linki…
The preparation of Pt/MoO x -ZrO2 materials has been carried out by polymeric precursor method and with molybdenum loadings in the range 10–20 wt %. The synthesized samples were calcined at 600, 700, and 800°C. The structure and texture of the calcined Pt/MoO x -ZrO2 materials were characterized by x-ray diffraction (…
An environmentally friendly route for the synthesis of hierarchical CaWO4 microspheres with novel morphology at room temperature has been successfully developed. CaCl2 and Na2WO4 were used as reaction regents, and distilled water was used as an environmentally friendly solvent. The products were characterized by X-ray…
Experiments involving irradiation of carbon targets with a hot electron plasma stream performed on the GOL-3 facility were aimed at the simulation of the effect of hot plasma of a thermonuclear reactor on plasma collectors in regimes close to those expected in the ITER. In these experiments, the emphasis was on the st…
Industrial applications of thermoplastic polymers are often limited by their poor adhesion properties. In this work the effect of surface oxyfluorination on the adhesion properties was investigated for polyethylene (PE), polyoxymethylene (POM), polybutylene terephthalate (PBT) and polyamide 6 (PA6). The adhesive joint…
Abstract: Partial discharge (PD) measurement and recognition is a significant tool for potential failure diagnosis of a power transformer. This paper proposes the application of self organizing map (SOM) approach to recognize partial discharge patterns of cast-resin current transformer (CRCT). The PD patterns are meas…
Complex sulfides with the SrS: Ln2S3 ratio equal to 3: 1, 1: 3, or 1: 4 for Ln = Y or Lu have been predicted on the basis of thermodynamic analysis of previously designed SrS-Ln2S3 (Ln = Tb, Dy, or Er) phase diagrams. Phase diagrams for the SrS-Ln2S3 (Ln = Tm, Lu, or Sc) systems have been designed for the first time.…
were formed around polymeric microparticles; neither necrosis nor any other adverse morphological changes and tissue transformation in response to the implantation of the PHB microparticles were recorded. The results of the study suggest that polyhydroxybutyrate is a good candidate for fabricating prolonged-action dru…
This paper investigated and validated the mechanisms and principles for constructing reticular structure of plant fiber through frothing solution approach. After process, plant fibers became low-density reticular-structured block with all properties meeting Chinese standards for cushion packing materials. The bonds be…
This paper focuses on the assessment of color strength and chroma values that occur in dyed polyester fabrics after different cycles of abrasion for different fabric construction parameters. We used 12 polyester fabrics with various construction parameters in two experimental sets. The fabrics differed from each other…
Abstract Rape‐, sweet potato‐ and camellia‐pollen‐templated SiO 2 hierarchical structures with species‐specific surface morphologies were prepared through a facile surface sol‐gel and succedent calcination process. Various‐morphology SiO 2 replicas with complex structures, such as about 50‐µm‐length and 20‐µm‐width hi…
Gas desorption induced by friction of solids, i.e. tribodesorption, is one of the numerous physical and chemical phenomena, which arise during friction as result of thermal and structural activation of material in a friction zone. Tribodesorption of carbon oxides, hydrocarbons, and water vapours may lead to significan…
We report heteroepitaxial growth of multiferroic BiFeO 3 thin films by RF magnetron sputtering on lattice-matched SrTiO3 substrates, as well as preparation and electrical properties of the heterostructures formed by growing BiFeO 3 thin films on highly conductive LaNiO 3 films and n-Si substrates. Nonlinear and rectif…
The term “electrochemical capacitor” describes a diverse class of energy-storage devices that incorporate a variety of active materials (high surface-area carbons, electroactive polymers, and transition metal oxides and nitrides), electrolytes (conventional aqueous and nonaqueous electrolytes, advanced polymer electro…
A method for the synthesis of easily-tested circuits consisting of functional elements in basis {&, ∨, − } for Boolean functions is proposed. The malfunctions are taken in the form of constant faults of the type “1” at the element outputs. It is proved that, for these circuits, the length of the complete checking test…
Abstract We display that a tetracyanoplatinate(II) forming a charge-transfer complex with methyl viologen dication in the crystal exhibits intense luminescence despite no direct Pt···Pt interaction.
The relationship between field-emission characteristics and defects measured by Raman scattering for printed carbon-nanotube cathodes treated by plasma and laser was investigated. The Raman intensity ratio of the D to G bands (ID/IG) was 0.71 in the case of an untreated sample. With laser irradiation, the ID/IG ratio…