Materials Literature
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We have investigated microscopic magnetoelectronic phase separation and phase evolution with temperature in ${\mathrm{La}}_{1\ensuremath{-}x}{\mathrm{Sr}}_{x}{\mathrm{CoO}}_{3}$, for $x$ in the range zero to 0.3, using high-field $^{139}\mathrm{La}$ NMR. For $x\ensuremath{\geqslant}0.1$ three coexisting magnetic phase…
Summary In most European disposal concepts, one expects large amounts of dissolved hydrogen produced by the anoxic corrosion of iron inside a damaged container. At repository temperatures (<100 °C), dissolved hydrogen is quite inert and is not expected to contribute to the redox capacity of the deep groundwaters. I…
Single-chain and TRIS-assembled collagen mimetic peptide structures incorporating catechol groups were synthesized. When 1/3 equiv of Fe3+ was added to the single-chain compound in 50 mM CAPS buffer (pH 10), the 1:3 Fe3+-catechol complex that formed acted as an N-terminal scaffold to assemble the triple helix. When 1…
This paper reviews the structures and properties of 10 binary, ternary, and quaternary crystals within the equilibrium phase diagram of the SiO 2 –Y 2 O 3 –Si 3 N 4 system. They are binary compounds SiO 2 , Y 2 O 3 , Si 3 N 4 ; ternary compounds Si 2 N 2 O, Y 2 Si 2 O 7 , and YSi 2 O 5 ; and quaternary crystals Y 2 Si…
Abstract Semiconductor quantum dots (QD) are nanometer‐sized crystals with unique photochemical and photophysical properties that are not available from either isolated molecules or bulk solids. In comparison with organic dyes and fluorescent proteins, QD are emerging as a new class of fluorescent labels with improved…
The valence of rare earth ions in R2MgSi2O7:Eu, Dy (R = Ca, Sr) long-afterglow phosphors was studies by L3 edge X-ray absorption near-edge structure (XANES) spectroscopy and photoluminescence spectroscopy. The results suggest that Eu ions are in a divalent and trivalent mixed-valence state while Dy ions exist in the t…
A method for the preparation of Cr‐doped Y 2 Sn 2 O 7 powders based on the pyrolysis of aerosols generated from aqueous salt solutions of the corresponding metal cations is reported. These powders yielded Cr‐doped pyrochlore red‐shade pigments on calcination in the absence of fluxes at lower temperature (900°–1100°C)…
Abstract Aperiodic crystals are defined as a crystalline state of matter, that has atomic structures with long-range order but without translational symmetry. Experimentally, they are characterized by sharp Bragg reflections in the X-ray diffraction, that can be indexed by integers, if four or more reciprocal basis ve…
Summary In the present work, we extracted Mo-Tc-Ru-Pd-Rh-Te alloy particles from spent fuel by a non-oxidative selective leaching of the fuel matrix, characterized them and studied their leaching behavior under different redox conditions. After selecting the optimal experimental conditions by using a synthetic alloy,…
Application of porous polymer materials to novel bio-interfaces for tissue engineering scaffold and artificial organs including blood filters, dialyzer, and oxygenator membranes have been in progress. The present study describes the fabrication and characterization of self-organized highly regular porous polymer films…
A limited combinatorial strategy was used to synthesize a small library of soft lipid-based materials ranging from structurally unordered fibers to highly uniform nanotubes. The latter nanotubes are comprised of a bilayer structure with interdigitated alkyl chains associated through hydrophobic interactions. These tub…
In this paper we describe a methodology for applying conventional morphological characterization techniques to some of the manufacturing processes of natural fibre reinforced thermoplastics (NFRTP). The composites studied consisted of a matrix of polypropylene or polyethylene, and of discrete jute, sisal and other nat…
A detailed study has been conducted of the sorption of ethylene and 1-hexene in linear low density polyethylene (LLDPE) under typical gas phase LLDPE reactor conditions. The recently proposed osmotic ensemble hyperparallel tempering method is used to simulate ethylene and 1-hexene gas sorption in the polymer samples.…
Fluorescent semiconductor materials doped with rare earth ions have been synthesized by flocculation of colloidal titania nanosheets, Ti0.91O2, with Eu3+ or Tb3+ ions. The composites had a lamellar structure with a gallery height of 1.06nm, accommodating rare earth ions between the nanosheets with a doping concentrati…
A 47-year-old woman presented with a 2-month history of progressive tightening of the skin on her legs. The tightening of her skin had begun 2 weeks after she was hospitalized for acute renal failure precipitated by therapy with nonsteroidal anti-inflammatory drugs. She had no history of renal disease or medical condi…
5,10,15,20-Tetrakis(4-sulfonatophenyl)porphinato iron(III) (Fe(III)TPPS) forms a very stable 1:2 complex with heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin (TMe-beta-CD), whose iron(III) center is located at a hydrophobic cleft formed by two face-to-face TMe-beta-CD molecules. Various inorganic anions (X(-)) such as…
Raman scattering spectra of the RbMnCl3 crystal have been studied under ambient conditions and under high hydrostatic pressure. The results produced have been interpreted with the ab initio model. The experimental data agree well with the estimated values in the low frequency range and show a slightly worse agreement…
The dependence of characteristics of a stratified Luneberg lens on the layer parameters has been studied in numerical experiments using a mathematical model based on the rigorous solution of the electrodynamic problem of diffraction on a multilayer sphere.
Protein crystallization has been studied in presence or absence of buoyancy-driven convection. Gravity-driven flow was created, or suppressed, in protein solutions by means of vertically directed density gradients that were caused by generating suitable temperature gradients. The presence of enhanced mixing was demons…
The universal formulation of Urbach's rule in solids has been considered in terms of the single-phonon approach. The “crystalline” and “glassy” variants of this rule, which are obtained on the basis of different ratios of contributions from the dynamic and static types of disorder, have been discussed with using some…