Materials Literature
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The size and temperature dependence of the pure-dephasing processes involved in luminescence, multiple exciton generation (MEG), and multiple exciton fission (MEF) are investigated for Sin clusters (n = 5-10, 15) using ab initio molecular dynamics and optical response function theory. The cluster bandgaps correlate wi…
We have studied the electronic structures and magnetism of SrFeO2 under pressure by first-principles calculations in the framework of density functional theory (DFT) with GGA+U and HSE06 hybrid functionals, respectively. The pressure-induced spin transition from S = 2 to S = 1 and the antiferromagnetic-ferromagnetic (…
To reduce the toxic effect on normal cells and improve the treatment effects of docetaxel, a novel transferrin modified docetaxel-loaded long circulating liposome for ovarian tumor was established for the first time. The transferrin-modified long-circulating liposomes loaded with docetaxel (TF-LP-DOC) were prepared by…
The hydrogen storage system [MgH2–2LiBH4] shows attractive properties such as favorable thermodynamics, high hydrogen capacity and reversibility. However, there exists an incubation period that amounts up to 10 hours in the dehydrogenation steps, which restricts this system as a practical material. In this study, the…
Two stress relaxation constitutive models have been developed to predict the stress relaxation behavior for high-temperature bolting according to continuum damage mechanics, Kachanov–Robatnov (K–R), and Othman–Hayhurst (O–H) creep constitutive equations as well as stress relaxation strain equations. To validate the ef…
Reducing the stiffness of titanium is an important issue to improve the behavior of this material when working together with bone, which can be achieved by generating a porous structure. The aim of this research was to analyze the porosity and mechanical behavior of Ti-6Al-4V porous samples developed by spherical powd…
A solid-state electrochromic device using 3-D conducting fluorinated tin oxide nanobeads (roughness factor >500) as electrodes enables fast electron transport and concentrates the voltage drop at the interfaces. This method reduces the driving voltage to 0.9 V and the response time to ∼272 ms, far exceeding the perfor…
A novel one-step approach for designing nonaggregated silica-based mesostructured therapeutic vectors is presented. Evaporation-induced self-assembly was used in combination with amphiphilic drugs for preparing already loaded class I and class II hybrid materials containing from 50 to 60 wt % (up to 75 vol %) of three…
Pair distributions of fluids confined between two surfaces at close distance are of fundamental importance for a variety of physical, chemical, and biological phenomena, such as interactions between macromolecules in solution, surface forces, and diffusion in narrow pores. However, in contrast to bulk fluids, properti…
We have prepared BiFe0.95Ni0.05O3 by the standard solid-state reaction and rapid sintering. The structural analysis by x-ray diffraction for BiFe0.95Ni0.05O3 shows rhombohedral perovskite structure (R3c), and lattice constants a and c of BiFe0.95Ni0.05O3 are slightly increased as compared to those of BiFeO3. The Raman…
Abstract Regioselective ring opening of 1,2‐epoxyhexane with methanol can be catalyzed by Co III –salen complexes, whereas related Co II complexes are inactive species in this and other epoxide ring‐opening reactions. In this work, Co–salen complexes supported on a highly cross‐linked polymer resin are synthesized, ch…
Hyper-branched polyester polyols (HBPs) comprised of 2,2-dimethyolpropionic acid (DMPA) were treated with cinnamoyl chloride to give the corresponding polycinnamates (DCi20, DCi30 and DCi40) in order to compare their spectroscopic and photochemical properties with those of poly(vinyl cinnamate) (PVCi) as a linear coun…
Anisotropic waveguide theory is developed for electrically tunable distributed feedback (DFB) laser from dye-doped holographic polymer dispersed liquid crystal (HPDLC) grating. The period grating structure, optical anisotropy of the liquid crystal (LC) and practical light propagation path in the HPDLC have been consid…
We present a study on the transparent conducting characteristics of graphene-based films prepared by means of rapid chemical vapor deposition. The graphene films were grown on quartz slides with a CH4/Ar mixed gas under a constant flow at 950°C and then annealed at 1,000°C. It was found that the graphene films present…
Using ab initio molecular dynamics (AIMD) simulations, we have explored the structural reconstruction of a special kind of line defect, which is constructed from tetragonal rings and is implanted at the heterojunction of hybrid boron nitride–graphene (BN–C) nanoribbons. It appears that nanoribbons get reconstructed in…
Electron-phonon coupling (EPC) plays an important role in solid state physics. Here, we demonstrate an experimental method that enables investigation of the elemental processes of the indirect transition, in which EPC participates in photoexcitation in solids, by resolving the energy and momentum of phonons and electr…
Flax stems of Modran variety were subjected to water retting under laboratory conditions and its physical properties were compared with non-retted fibers. Physical properties including percentage of impurities, weighted average length, linear density, tenacity and elongation were analyzed and the results were compared…
A WO3-Fe2O3 thin film combinatorial library was fabricated using a vapor phase co-deposition method followed by a combined thermal annealing and oxidation process. The scanning electron microscopy (SEM) analysis of the library microstructure combined with X-ray diffraction (XRD) investigations suggested that α-Fe2O3 g…
This article reported the synthesis of Fe <sub>3</sub> O <sub>4</sub> /p(NIPAM- <italic>co</italic> -MAA) nanospheres using a temperature-regulated one-pot copolymerization and studied their unique swelling/collapsing/flocculation behavior.
In this work, regenerated cellulose (RC)–Cu nanocomposite films with interesting single-side conductive properties were prepared using in situ coating. The structure and morphology of the films were investigated with XRD, ATR-FTIR, XPS, TG, SEM, TEM and AFM analysis. The mechanical properties and conductive performanc…