Materials Literature
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The classes of polymers with electron conductivity and modern concepts on the mechanisms of conductivity are reviewed; the effects of the combination of electroconductivity with optical and photo-physical characteristics of the thin-film polymer systems are considered; various devices utilizing the above characteristi…
We focus on the dynamic particle accumulation structure (PAS) due to the thermocapillary effect in a half-zone liquid bridge. In this study, by tracking particles in the liquid bridge and by measuring temperature on the free surface, we discuss the effects of a liquid bridge shape described by its volume ratio upon th…
Methane adsorption onto different types of carbon monoliths was studied at two temperatures (298.15 K and 303.15 K) and at pressures up to 35 atm in a volumetric adsorption apparatus. The mass basis results for methane adsorption indicated that the methane adsorption capacities of the carbon monoliths increased with i…
Magnetic molecules physisorbed into low-dimensional nanostructures of microporous materials such as graphite and metal-organic frameworks have been verified to exhibit an unusual magnetic behavior. We demonstrate that the selective injection of both magnetic and nonmagnetic guest molecules into the water-ice cages of…
Amorphous sputter-deposited NiTi thin films were subjected to pulsed, melt-mediated laser crystallization techniques to engineer their microstructure. The effects of laser processing of preheated films are examined. Laser processing of films at an elevated substrate temperature has a significant effect on the rate wit…
In order to understand the behavior of electrons in complex porous structures, we have simulated electron diffusion processes in complex porous structures that have been fabricated using a system for a three-dimensional porous structure simulator, POCO 2 . For a given porosity, as the overlap ratio representing a neck…
A special probe with a 5-μm-diameter ball fixed at the end is developed for an atomic force microscope (AFM), with the use of which it is possible to obtain more correct values of the Young’s moduli of biological objects in liquid media and eliminate the risk of damaging the sample surface. In particular, the AFM meas…
Abstract Living radical polymerization (LRP) of methyl acrylate (MA), acrylic acid (AA), and vinyl acetate (VAc) mediated by cobalt(II) porphyrin complexes ((TMP)CoII·, (TMPS)CoII·) are reported. The polymeric products with relatively low polydispersity and controlled number average molecular weight (Mn) based on one…
We previously reported that the administration of dibutyltin dichloride (DBTCl) by nasogastric intubation during the entire period of organogenesis, days 20-50 of pregnancy, was embryolethal, but not teratogenic, in cynomolgus monkeys. The present study was conducted to further evaluate the developmental toxicity of D…
Abstract Nanocrystalline calcium phosphate was precipitated at 20 °C from calcium nitrate and ammonium phosphate solutions at a pH of 9–11. The nature of the mass loss steps in thermogravimetry of the product was revealed by in‐situ mass spectrometry of released gases upon heating. Major amounts of nitrate‐containing…
We have considered two models for a system of disordered organic molecules: one based on a regular lattice with Gaussian site displacements and another based on a hard sphere distribution. The site energies were given by a charge-induced dipole interaction (the polarization energy). We obtained the density of states o…
This paper discusses H(2)S, NH(3) and VOCs removal by sewage-sludge-derived materials with outstanding chemical and textural properties. These materials were obtained from different precursors using different chemical and thermal treatments. Results show that the H(2)S removal process entailed a catalytic conversion o…
The thermal conductivity coefficient κ(T) is measured under equilibrium vapor pressure for two crystalline phases of pure methanol (orientationally ordered and orientationally disordered) at temperatures from 2K to the melting temperature Tm and also for a CH3OH+6.6% H2O glass from 2K to the glass transition temperatu…
Thermally stimulated depolarization current (TSDC) have been undertaken on solution grown foil samples of polyvinylidenefluoride (PVDF)-polysulfone (PSF) blends as a function of the polarizing temperature, applied field, and polysulfone weight percentage in the blend. The TSDC thermograms of pure PVDF and PSF shows tw…
Heterometallic pivalate Co2Sm(Piv)7(2,4-Lut)2 (1) was prepared for the first time and structurally characterized at 293 and 160 K. Antiferromagnetic exchange interactions are dominant in complex 1. This compound experiences a first-order phase transition within 210–260 K. A set of thermodynamic functions was obtained…
The nano alumina have been synthesised employing a novel eco-friendly route from natural bauxite ore. The synthesis of alumina powder from natural bauxite is of great interest owing to the fact that it enables mass production without the use of expensive chemical resources and processing techniques. Employing the Baye…
Abstract High-pressure-temperature (P-T) experiments were conducted in an attempt to determine the diffusion rates of C atoms in diamond, and the possibility of changes in the isotope compositions of diamond at high P-T in the Earth’s mantle. The starting material consisted of a polished plate of natural diamond (very…
The influence of the addition of the rare earth ion Gd in Bi1.8Pb0.35Sr 1.9Ca2.1Cu3Gd(subscript x)O(subscript y) superconductor has been investigated by varying the Gd addition (x=0, 0.1, 0.2, 0.3, 0.4 and 0.5). The samples were prepared by standard solid-state reaction methods. Phase analyses of the samples by X-ray…
In part I of this paper, the decarburization and oxidation behavior of spring steel during simulated thermal cycles resembling the conventional production process have been investigated experimentally. In part II, the results obtained from part I are studied theoretically and numerically by various computational metho…
The High-Temperature Electrolysis Integrated Laboratory-Scale experiment was designed at the Idaho National Laboratory (INL) and Ceramatec during 2006 and early 2007 and constructed in the spring and summer of 2007. A “half-module,” two stacks of 60 cells each, was tested at Ceramatec for 2040 h in June–September 2006…