Materials Literature
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Branched copolymers are a special class of polymeric materials in which are reflected the combined effects of polymer segments and architectural constraints of the branched architecture. This study employed two methodologies to obtain copolymers with different branching density. In the first case, poly(hydroxyethyl me…
ABSTRACT In this article, a solid‐state mechanochemical method based on a pan‐mill equipment was used to prepare 60 wt % loading of wood flour (WF) incorporated polypropylene (PP) wood–plastic composite (WPC) with good comprehensive performance. The particle size distribution, crystallization, microstructure, and prop…
The fact that surface-induced damping rate of surface plasmon polaritons (SPPs) in metal nanoparticles increases with the decrease of particle size is well known. We show that this rate also increases with the degree of the mode confinement, hence damping of the higher order nonradiative SPP modes in spherical particl…
We studied a type of nanostructured silicon photocathode for solar water splitting, where one-dimensionally periodic lamellar nanopatterns derived from the self-assembly of symmetric poly(styrene-block-methyl methacrylate) block copolymers were incorporated on the surface of single-crystalline silicon in configuration…
Abstract The chiral sulfide Sm4InSbS9 was prepared from a stoichiometric mixture of the elements at 1223 K in an evacuated silica tube. It crystallizes in the chiral tetragonal space group P43212 with a = 10.0042(4) Å, c = 27.6810(15) Å, V = 2770.4(2) Å3, and Z = 8. The structure features infinite helical chains of [I…
The demagnetization problem for a hollow sphere of inner radius a, outer radius b, and material susceptibility χ is solved analytically. As a/b increases from 0 to 1, the magnetometric demagnetizing factor Nmdecreases from 1/3 when χ > 0 and increases from 1/3 when χmdecreases from 1 to 0 as χ increases from -1 to ∞.…
Sn doped β-Ga2O3 nanowires have been grown on Si(001) via the vapor–liquid–solid mechanism at 800 °C over a broad range of compositions. These have a monoclinic β-Ga2O3 crystal structure and minimum resistances for 1–2 at. % Sn but we observe the emergence of tetragonal rutile SnO2 which dominates with increasing cont…
Surface-enhanced Raman scattering (SERS) effect is quite preferred to detect trace pollutants, and reusable SERS substrate is of important practical value. In this research, a kind of effective SiO2 nanorods (NRs)@ Au nanoparticles (NPs) substrate was fabricated completely with physical methods, and it was quite sensi…
A new method for the separation of contact resistance (Rcontact) into Schottky barrier resistance (RSB) and interlayer resistance (RIL) is proposed for multilayered MoS2FETs. While RSBvaries exponentially with Schottky barrier height (Φbn), RILessentially remains unchanged. An empirical model utilizing this dependence…
The unique physico-chemical properties of silver nanoparticles (Ag NPs) have opened up the opportunity for their use in many promising physico-chemical and biomedical applications. In this study, an economically feasible approach to green synthesis of silver nanoparticles (Ag NPs) is described using hemicellulose from…
The work focused on the formation of percolation network by cellulose nanocrystals (CNCs) in poly(3‐hydroxybutyrate) (PHB) matrix, which affects the rheological and mechanical properties of the polymer. Rheological investigations revealed the formation of a percolation network in the fabricated PHB/CNC films with a pe…
A new montmorillonite intercalation nickel compound (MINC) was devised and synthesized. MINC was modified by cetyl trimethyl ammonium bromide to obtain organic MINC (OMINC). The results of X‐ray diffraction show that the layer spacing was expanded by nickel compound and cetyl trimethyl ammonium bromide, indicating tha…
Abstract Pyrene derivatives are among the most widely used organic fluorescent photoprobes. Many of them are photosensitizers for hole injection. Pyrenes, however, are mostly UV absorbers, limiting their utility for photonic applications. Nitration of pyrene shifts its absorption to the visible region. Conversely, nit…
Nanoporous (NP) PtRu alloys with three different bimetallic components were straightforwardly fabricated by dealloying PtRuAl ternary alloys in hydrochloric acid. Selective etching of aluminum from source alloys generates bicontinuous network nanostructures with uniform size and structure. The as-made NP-PtRu alloys e…
Risk-assessment models indicate that stream ecosystems receiving municipal wastewater effluent may have the greatest potential for exposure to manufactured nanoparticles. The authors determined the fate of cerium oxide (CeO2 ) nanoparticles in outdoor stream mesocosms using 1) 1-time pulse addition of CeO2 nanoparticl…
Tursiocola denysii sp. nov. is described from the dorsal neck skin of loggerhead sea turtles (Caretta caretta), bringing the total number of known species in the genus Tursiocola to eight. A gradient of striae density on the valve face, the low length:width ratio of the valves, radiate striae at mid-valve, and a secon…
Pure copper is subjected to severe plastic deformation at room temperature using quasi‐constrained high‐pressure torsion through 1/4 to 10 turns. The evolution of the microstructure is monitored using X‐ray diffraction and electron backscatter diffraction. Specimens are analyzed both before and after micro‐compression…
A model of Ni-yttria stabilized zirconia (YSZ)-gas triple phase boundary (TPB) is built to simulate the oxygen transfer and hydrogen oxidation processes in solid oxide fuel cell anodes by using density functional theory. The highest barrier in the anodic processes is found in the step of oxygen transfer from the YSZ s…
Hyperbranched poly(triazolium)s bearing different terminal groups were synthesized, and displayed an elevated conductivity upon the introduction of various flexible end-capped groups and the increase of temperature.
Thick films of ferroelectric bismuth titanate (Bi4Ti3O12) have been fabricated by spray-on deposition in conjunction with microwave sintering for use as high-temperature ultrasonic transducers. The elastic modulus, density, permittivity, and conductivity of the films were characterized. Electro-mechanical properties o…