Materials Literature
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A novel biomass-based nitrogen-doped free-standing fused carbon fibrous mat was fabricated from lignin-polyethylene oxide (PEO) (90:10) blend via electrospinning followed by carbonization and thermal annealing in the presence of urea. The morphology and structure of the carbon fibers were characterized by field-emissi…
Many biomolecules, mainly proteins, adsorb onto polymer particles to form a dynamic protein corona in biological environments. The protein corona can significantly influence particle-cell interactions, including internalization and pathway activation. In this work, we demonstrate the differential roles of a given prot…
We have successfully synthesized a single-crystal sample of the layered structure ferromagnet Fe3GeTe2 and present the results of its complete characterization using powder X-ray diffraction (XRD), magnetic susceptibility χ(T), isotherm magnetization \(M(H)\), specific heat \(C(T)\), and electrical resistivity ρ(T) me…
We present first-principles calculations of the optical response of monolayer molybdenum disulfide employing the GW-Bethe-Salpeter equation (GW-BSE) approach including self-energy, excitonic, and electron-phonon effects. We show that monolayer MoS2 possesses a large and diverse number of strongly bound excitonic state…
Extreme ultraviolet (EUV) spectra from laser-produced plasmas of a tin–gold alloy have been recorded for a number of power densities (Φ = 8.1 × 10 11 to 5.5 × 10 12 W cm −2 ) by varying the incident laser energy and focusing conditions. The experimental results show that the emission profile in the EUV region between…
A method for evaluating weldability is proposed, and processes of welding petrochemical equipment with a wall thickness of 20–200 mm and pipelines produced from steels of almost all strength grades, starting with carbon and low-alloy steels, hot-rolled and normalized steels, steels strengthened by heat treatment and a…
DA–CDGR efficiently quenched the fluorescence of CdSe/ZnS QDs and the fluorescence intensity of DA–CDGR–QDs system was restored by trypsin activity.
El continuo avance de la nanotecnología así como sus aplicaciones en el mejoramiento de la agricultura son una realidad; sin embargo, la información que se posee del impacto de este tipo de tecnología sobre los sistemas biomoleculares es muy escasa. El objetivo del presente documento es construir, desde un punto de vi…
Abstract Active functional group-coated VO2(B) nanorods were successfully synthesized using ammonium metavanadate and oxalic acid solution as the starting materials, by a facile one-pot hydrothermal route for the first time. The results showed the sample consisted of crystalline VO2(B) and amorphous component. The amo…
We report the fabrication and characterization of poly(N-methylpyrrole) nanowires electrode junction based back-gated field-effect transistors under varying dopant atmosphere. Influences of the anionic radius of dopants on electrochemical, morphological, spectroscopic and electrical characteristics of synthesized nano…
Core-shell CdS/ZnS (Zn 0.025-0.125 M) and CdS:Cu(2+) (1%)/ZnS nanoparticles were successfully synthesized using a chemical method. X-ray diffraction (XRD), high-resolution transmission electron microscopy (HR TEM), photoluminescence (PL) and UV/Visible (UV/Vis) techniques were used to characterize the novel CdS/ZnS an…
In this study we present three mechanistic models for profiling the potential biological and toxicological effects of oxide nanomaterials. The models attempt to describe the reactivity, protein adsorption and membrane adhesion processes of a large range of oxide materials and are based on properties either calculated…
BaFe12-2x Cu x Ti x O19 (x = 0, 1, 1.5, 2) were synthesized by the solid state diffusion method. X-ray diffraction (XRD) results confirmed the formation of a single phase magnetoplumbite with hexagonal unit cell of space group P63/mmc. With the increase inx, the lattice parameter a decreased and c increased. Well-form…
We perform finite-element analysis modeling and characterization of quasi-ballistic electrical transport in semiconducting carbon nanotube field effect transistors, and fit experimental electrical transport data from both suspended and on-substrate single-walled carbon nanotube transistors fabricated using chemical va…
The p-n junction diodes are formed by electrostatic doping using two gate electrodes positioned beneath individual, suspended single-walled carbon nanotubes (CNTs). These devices exhibit nearly ideal diode behavior within a small bias voltage range near 0 V. At higher bias (>\vert 0.2 V\vert), nonideal diode behavior…
Abstract The first example of a copper decaarylcorrole, 6 , was isolated during the Suzuki cross‐coupling synthesis of the corresponding undecaaryl derivative 2c . Compounds 6 and 2c were demetalated to produce the free bases 7 and 8 , which were used to prepare the cobalt deca‐ and undecaarylcorroles 9 and 10 . The e…
Fabry-Perot cavities made with photonic crystal (PC) mirrors and other resonant structures exhibit nontraditional characteristics due to the strong wavelength dependence of their reflected phase. This Letter describes how engineering the phase of PC mirrors enables sensors that are tolerant to variations in laser cent…
We modeled the electron and hole states in $\mathrm{Si}/{\mathrm{SiO}}_{2}$ quantum wells within a basis of standing waves using the 30-band $\mathbf{k}\ifmmode\cdot\else\textperiodcentered\fi{}\mathbf{p}$ theory. The hard-wall confinement potential is assumed, and the influence of the peculiar band structure of bulk…
The Y2O3phosphors doped/codoped with Sm3+/Sm3+-Yb3+ions at different concentrations have been prepared using combustion technique. The prepared phosphors are characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy. The average crystallite size of…
This paper deals with the nanorobotic and nondestructive assessment of the stiffness properties of nanopaper made of microfibrillated cellulose. Back-calculations of the Young's modulus show the agreement of the newly found results with conventional tensile testing results, therewith proving nanorobotics as a reasonab…