Materials Literature
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Nitrogen adsorption isotherms of silicas and other oxidic materials are distorted by the presence of micropore adsorption and capillary condensation. This distortion affects the determination of the specific area of the material, depending on the chosen calculation procedure. Correction of the initial (total) isotherm…
Abstract The crystallization, and mechanical and rheological properties of decrosslinked–crosslinked‐high‐density polyethylenes using supercritical methanol were investigated by DSC, WAXS, DMTA, and UDS. Crosslinked high‐density polyethylenes were successfully decrosslinked in a supercritical methanol condition. The r…
The increasing role of carbon nanotubes (CNTs) in various biological applications has led to a number of studies on the cytotoxicity of solution-phase CNTs, but few studies are available concerning the cytotoxicity of CNT films. Herein, we studied the potential health effect of CNT films fabricated with three commerci…
Abstract Conformational changes in cyclic and linear chains triggered by increasing chain stiffness are explored using MC simulations. The transition to the rigid strained objects is continuous and steeper for cycles. Circular macromolecules of contour length equal to ≈5 persistence lengths are characterized as rigid…
We theoretically investigate the hyperfine-induced decoherence in a pair of spin-cluster qubits, consisting of two exchange-coupled heterometallic wheels. We identify two distinct regimes in the degradation of intermolecular entanglement and show that this can be substantially recovered through dynamical decoupling. D…
The effects of pressure on the vibrational spectra of crystalline nitromethane have been studied by computing normal-mode frequencies and eigenvectors and classical power spectra at several hydrostatic pressures between 0 and 27.3 GPa using the full-dimensional Sorescu-Rice-Thompson (J. Phys. Chem. B 2000, 104, 8406)…
Abstract In this work, the aim was to analyze the efficacy of hindered amine light stabilizers (HALS) in woodflour‐polypropylene composites compatibilized with vinyltrimethoxysilane after moisture absorption and accelerated weathering. Moisture uptake of materials decreased with incorporation of silane due to diminish…
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionORIGINAL ARTICLEThis notice is a correctionC−H Bond Activation of Light Alkanes on Pt(111): Dissociative Sticking Coefficients, Evans−Polanyi Relation, and Gas−Surface Energy TransferG. W. Cushing, J. K. Navin, S. B. Donald, L. Valadez, V. Johánek, and I. Harrison*Ci…
Abstract The doping effect on exciton behaviours in amorphous tris (8‐hydroxyquinolinato) aluminum (Alq3) were studied for the first time by transient photoluminescence (PL) measurements at room temperature. The dopants 4‐(diacynomethylene)‐2‐methyl‐6‐(p‐dimethylaminostyryl)‐4H‐pyan (DCM) and 5,6,11,12‐tetraphenylnaph…
A combinatorial chemical beam epitaxy technique was used to optimize deposition of {001} lithium niobate thin films on {001} sapphire substrates. Lithium tert -butoxide and niobium tetra-ethoxy di-methyl-amino-ethoxide were used as precursors. The highest quality films obtained exhibited rocking curve full-width at ha…
Abstract In this investigation, a series of gel polyacrylonitrile (PAN)/α‐Al2O3 nanocomposite electrolyte materials that incorporate various fractions of PAN, α‐Al2O3 inorganic powders, propylene carbonate and ethylene carbonate as cosolvents, and LiClO4 were prepared. X‐ray diffraction revealed that the gel nanocompo…
The nuclear power industry work ethic and culture is founded on learning from experience and continuously finding ways to improve performance--especially in regard to radiation safety. Over the past 25 y, this process of continuous improvement has yielded exceptional results in regard to radiation protection of worker…
Assuming small-polaron model, an effective relation between the energy-band edge and the Fermi level is derived for the nondegenerate semiconductor. The new relation is distinct from the standard one based on rigid-ion model, and could be generally applied to electrochemistry to obtain valid band-edge positions from t…
The part played by individual monitoring within the context of the overall response to incidents involving the malevolent use of radiation or radioactive material is discussed. The main objectives of an individual monitoring programme are outlined, and types of malevolent use scenario briefly described. Some major cha…
Abstract This paper concerns a new method of repetitive control based on two‐dimensional (2D) system theory. First, a 2D model is presented that enables the independent adjustment of control, which happens within a repetition period, and learning, which happens between periods. Next, the problem of designing a repetit…
This article studies the thermal properties of a multi-walled carbon nanotube (MWNT)-reinforced thermoplastic natural rubber (TPNR) nanocomposite. The nanocomposite was prepared using a melt blending method. Various percentages (1, 3, 5, and 7 wt%) of MWNTs were added into TPNR to improve its thermal properties. The l…
The safety and environmental impacts of new technology and fuel cycle approaches being considered in current U.S. nuclear research programs are contrasted to conventional technology options in this paper. Two advanced reactor technologies, the sodium-cooled fast reactor (SFR) and the very high temperature gas-cooled r…
Abstract Electron paramagnetic resonance (EPR) measurement under uv light irradiation was performed on Al‐doped anatase TiO2 crystals grown by a chemical vapor transport method. In an as‐grown crystal, characteristic signals of EPR sextuplets are observed at 100–40 K. The intensity of the sextuplets decreases graduall…
Abstract The antisolvent synthesis of micrometer‐scale particles, their stabilization in suspension, and their subsequent self‐assembly as homogeneous polymer films suitable for drug delivery were studied. Ultrasonic agitation was used in the precipitation of the drug particulates, stabilization was carried out with h…
intense short-pulse lasers propagating through near-critical plasmas A Debayle, F Mollica, B Vauzour et al. - Cavity enhanced telecom heralded single photons for spin-wave solid state quantum memories Daniel Rieländer, Andreas