Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Highly oriented thin film In 2 O 3 was heteroepitaxially grown on an optically polished (001) plane of single crystalline yttria stabilized zirconia (YSZ) substrate using molecular beam epitaxy (MBE). The full-width at half maximum (FWHM) of the X-ray rocking curve was 0.08° for 200-nm-thick In 2 O 3 layers indicating…
Incorporation of emission properties into organic liquid crystals (LCs) is currently an active area of research. The authors present the first example of a functional phasmidic LC with intrinsic luminescence properties. It is shown that organization in the solid state—the Figure indicates the average ordering of hexac…
The miscibility of blends of poly(vinyl alcohol) (PVA) with chitin-graft-poly(2-ethyl-2-oxazoline) (1) and poly(2-ethyl-2-oxazoline) homopolymer (PEtOZO) was investigated. Calorimetric results showed a single glass transition temperature (Tg) in the entire range of compositions for both blend systems, which indicated…
Abstract The durability of high‐density polyethylene (HDPE)/ paraffin blends as a thermal energy storage material was studied by investigation of the seepage behavior of paraffin. The HDPE in the blends serves to prevent paraffin seepage during repeated heating‐cooling cycles; i.e., the HDPE acts as a sealant material…
This work describes the synthesis and properties of a material with unusual photophysical behavior. The material, a gel, is made by interaction of (3-aminopropyl)triethoxysilane with a carboxylic acid under oxygen- and water-free conditions through a sol−gel process, and it emits different colors by excitation at diff…
The effect of the amount of in situ formed graft copolymers on the blend morphology was investigated for immiscible polymer blends of poly(butylene terephthalate) (PBT) and polystyrene (PS) having various amounts of poly(styrene- ran -glycidyl methacrylate) (PS-GMA) as an in situ compatibilizer. Two different blending…
The influence of three macrocyclic compounds on corrosion of mild steel (MS) in hydrochloric acid (HCl) was investigated using weight loss, potentiodynamic polarization, alternating current (AC) impedance, and hydrogen permeation techniques. All the investigated compounds showed significant efficiencies and reduced pe…
The perovskites $\mathrm{Ca}({\mathrm{Mn}}_{3\ensuremath{-}x}{\mathrm{Cu}}_{x}){\mathrm{Mn}}_{4}{\mathrm{O}}_{12}$ and $A{\mathrm{Cu}}_{3}{\mathrm{Mn}}_{4}{\mathrm{O}}_{12}$ $(A=\mathrm{Tb},$ Tm) have been synthesized using different processes and their magnetic and transport properties investigated. ${\mathrm{CaMn}}_…
The membranes tested in the present study were cellulose triacetate (CTA), polymethylmethacrylate (PMMA), and polyacrylonitrile (PAN). The adsorption by each membrane of albumin, IgG, C3a, interleukin-1beta (IL-1beta), interleukin-6 (IL-6), human neutrophil elastase (HNE), and tumor necrosis factor alpha (TNFalpha) wa…
Valve morphogenesis starts when the silica deposition vesicle (SDV) expands across a cleavage furrow covered by an unidentified layer, which may aid in its shaping. A labiate process (LP) is present only in the outer valve of terminal cells in the filament. Before these particular cells form setae, a layered “labiate…
The binding of lysozyme to bacterial deep rough mutant lipopolysaccharide (LPS) Re and to its lipid moiety lipid A, the 'endotoxic principle' of LPS, was investigated using biophysical techniques. The beta<-->alpha gel to liquid crystalline phase transition, the nature of the functional groups of the endotoxins, the s…
The modelling and experimental results of deformations of elastomeric rods with embedded two-way shape memory effect actuators is presented in this work. A procedure is established to train Nitinol shape memory alloy (SMA) wires to exhibit the two-way shape memory effect, a hysteretic behaviour involving a thermally i…
Pattern formation at the solid-liquid interface of a growing crystal was studied in directional solidification using a perturbation technique. We analyzed both experimentally and numerically the stability range and dynamical selection of cellular arrays of ``doublets'' with asymmetric tip shapes, separated by alternat…
In this work, we study the phase separation of deeply quenched mixtures in which the diffusion coefficient depends on the local composition field $\ensuremath{\varphi}.$ In one dimension (1D), the system evolves until it reaches a spatially periodic steady state, with a period that, for instant quenching, coincides wi…
Moisture vapor transport through waterproof breathable samples and clothing sys tems under a temperature gradient is examined using a simple research method. The results are compared with those obtained from isothermal tests. The transport properties are identified as being dependent on the temperature gradient across…
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTSupramolecular Cylinder and Sphere Generating Thermotropic Hexagonal Columnar and Spherical Micellar Liquid Crystalline Assemblies in Coil−Rod−Coil Block MoleculesMyongsoo Lee, Dong-Woo Lee, Byoung-Ki Cho, Ju-Young Yoon, and Wang-Cheol ZinView Author Information Depart…
It is generally recognized that proper quantification of microstructural behavior is necessary for the optimization of materials properties. In the specific case of polycrystalline thin films, transmission electron microscopy (TEM) is required for microstructural interrogation due to the small (nm–μm) inherent length…
Abstract 3,4′-Bis(4,5-dihydro-4,4,5,5-tetramethyl-3-oxido-1-oxyl-3-imidazolio-2-yl)azobenzene (1) was synthesized starting from 3,4′-dimethylazobenzene via the diformyl derivative. Biradical 1 crystallized as dark blue-green needles; its crystal structure was determined by the X-ray crystallography. X-band ESR spectra…
Low energy electron microscopy (LEEM) has developed into one of the premier techniques for in situ studies of surface dynamical processes, such as epitaxial growth, phase transitions, chemisorption and strain relaxation phenomena. Over the last three years we have designed and constructed a new LEEM instrument, aimed…
We investigate and characterize the newly grown crystal Li2B4O7 which is transparent down to 160 nm for nonlinear optical conversion into the vacuum ultraviolet using sum frequency mixing with femtosecond pulses. This material exhibits excellent properties below 180 nm and makes possible the generation of wavelengths…