Materials Literature
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High-temperature oxidation behavior of Al2O3- and Cr2O3-forming heat-resisting alloys with noble metals (Pd, Pt) and rare earths (Y, Lu) was studied in oxidizing atmospheres (oxygen, oxygen-water vapor) for 18ks at 1473, 1573 and 1673K, by mass gain measurements, amount of spalled oxide, observation of surface appeara…
Abstract The purpose of this article is to elucidate the effect of integral sorption of moisture on gas permeation in glassy hydrophilic polymers. The oxygen and the simultaneous moisture sorption into various hydroxypropyl methylcellulose (HPMC) films were measured under a wide range of relative humidities using sorp…
Cubic spinel structured gallium oxynitride has been synthesized through the reaction of metallic gallium and water in the presence of organic ethylenediamine. The relative content of the mixed solvent of water and ethylenediamine controls the product morphology and structure. A novel well-defined nanoporous structure…
Electrodeposition of Group-IIIA (Al and Ga) doped ZnO with resistivity as low as 3.8×10-4 Ω-cm is reported here. This ZnO can be used as an "on-top" transparent conductive oxide which is deposited on semiconductors in thin-film solar cells such as amorphous Si, CIGS, and organic cells. In addition to low cost, high th…
Abstract Flame retardants (FRs) are used for in protection against fire. Organic–inorganic hybrids could become one of the most promising FR solution in the future. In this paper, the synthesis, the characterization and the use as FRs and filler of grafted titania and alumina with 2‐chloroethylphosphonic acid are pres…
We calculate short-time diffusion properties of suspensions of porous colloidal particles as a function of their permeability, for the full fluid-phase concentration range. The particles are modeled as spheres of uniform permeability with excluded volume interactions. Using a precise multipole method encoded in the HY…
Abstract In this paper, EPDM/mica composites were prepared by filling synthesized mica and natural mica separately into ethylene‐propylene diene terpolymer (EPDM) using melt blending technique. Microstructures, electrical properties, gas resistance, and mechanical properties of two EPDM/mica composites were investigat…
In this paper, we verify experimentally the recently proposed theory on suppression of the spatial dispersion in an artificial plasma. We make use of the image principle and assume effectively local material parameters of the artificial plasma, in which the spatial dispersion has been suppressed, and measure the refle…
Carbon fiber materials (CFM) were electrochemically treated in cathodic, anodic or combined regimes. The influence of the treatment on morphology and chemical composition of CFM was investigated. It was shown that the electrochemical treatment does not substantially influence on the electrical capacitance of CFM. Neve…
Peptide nanostructures present a wide range of opportunities for applications in biomedicine and bionanotechnology; hence experimental and theoretical studies aiming at determination of thermo-mechanical stability of peptide-based nanostructures are critical for the design and development of their technological applic…
Abstract In this work, the main factors affecting the rheological behavior of polyethylene terephtalate (PET) in the linear viscoelastic regime (water content, time delay before test, duration of experiment, and temperature) were accessed. Small amplitude oscillatory shear tests were performed after different time del…
The salient characteristics of the predischarge phenomena and flashover along cylindrical insulating surfaces bridging a short rod-plane gap under positive lightning impulse voltages were measured in a wide range of applied peak voltages. Materials used in the investigation were polytetrafluoroethylene (PTFE), silicon…
We focus on perturbed regular hyperbranched fractals (pRHF), which are RHF whose f coordinated centers (fCC) are traps. We compute the mechanical properties (storage and loss modulus) and the average displacement in the framework of generalized Gaussian structures, by making use of the eigenvalue spectrum of the conne…
It is well known that first-order ferroelectric to paraelectric transition is a one-step transition and it gives rise to one latent heat peak and one permittivity peak during heating. In the present paper, however, we report an unexpected finding; in Mn-doped Ba(Zr0.01Ti0.98Mn0.01)O3−δ the ferroelectric to paraelectri…
Current strategies to enhance gene transfer have focused on the development of vectors to increase the efficiency of DNA delivery. However, the extracellular matrix and microenvironment have a profound impact on numerous cellular activities including spreading and proliferation; two processes that have been associated…
Atomically resolved scanning tunneling microscope images of carbon ridge defects found in few-layer graphene formed on the C-face (0001¯) of 4H-silicon carbide reveal a striated exterior surface formed from out-of-plane distortions of the hexagonal graphene lattice. While ridge formation is likely explained by compres…
The trace-element oxyanion molybdate, which is required for the growth of many bacterial and archaeal species, is transported into the cell by an ATP-binding cassette (ABC) transporter superfamily uptake system called ModABC. ModABC consists of the ModA periplasmic solute-binding protein, the integral membrane-transpo…
This article reports on the fabrication and characterization of plasmonic interfaces composed of a sandwiched structure comprising a tin-doped indium oxide (ITO) substrate, gold nanostructures (Au NSs), and a thin ITO film overcoating. The change in the optical characteristics of the ITO/Au NSs/ITO interfaces as a fun…
Abstract We present a general method to fabricate niobate nanoparticles (NPs) by using hexaniobate Lindqvist ions as niobium source. First, soft‐chemical synthesis was adopted to prepare amorphous compound NPs, which subsequently served as parent bodies, affording not only nanoscale size but also optimal compositions…
It has been experimentally and numerically shown that transmission at near infrared wavelengths is selectively controlled by polarizations in two-dimensional complementary plasmonic crystal slabs (2D c-PlCSs) of stacked unit cell. This feature is naturally derived by taking account of Babinet’s principle. Moreover, th…