Materials Literature
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A new phosphate CsLi0.5Al0.5PO4 with a structure related to the β-tridymite structure has been synthesized by a precipitation method. X-ray powder diffraction, electron probe microanalysis, second harmonic generation of laser radiation, and IR spectroscopy have been used for studying the compound. Differential scannin…
A large number of beta-AgVO3 nanowires with diameter of 30-60 nm, and length of 1.5-3 microm have been successfully synthesized by a simple and facile low-temperature sonochemical route. The morphologies and structures of the nanowires were characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectrosc…
Metamict minerals are characterized by an amorphization of their crystal structure due to radiation damage, and they present an interesting challenge to the mineral and material scientist.The mechanisms of the crystal structure's metamictization and thermally induced recrystallization have been found not only to be of…
Abstract The phase equilibria at 340°C of the Al – Ni – Zn system were investigated by combining the diffusion couple technique with the equilibrated alloys method. The samples were examined by means of optical microscopy, X-ray diffraction, scanning electron microscopy, and electron probe microanalysis. Two ternary c…
Design technologies for integrated systems beyond the current CMOS era will present unprecedented advantages such as very high device densities and challenges such as soaring power dissipation issues. Most of the research effort in the emerging area of nanoelectronics has revolved around creating novel devices to repl…
Six new poly(amide-imide)s were synthesized by the polycondensation reaction of 1,3-bis[4,4'-bis(trimellityimido) phenyl]-2-propenone (6) with 3,3'-diamino diphenyl sulfone (7a), 4,4'-diamino diphenyl sulfone (7b), 4,4'-diamino diphenyl ether (7c), 1,5-diamino naphth…
Highly-reliable Cu interconnects with Ru/Ti barrier metal have been developed, in which Ti is diffused into the Ru-layer to establish a Cu-diffusion barrier. The PVD-Ru/Ti barrier metal with preferable crystal-orientation to Cu texture achieves the low line resistance. The Ti-doping in the Cu grain boundary just under…
Static tearing is one of the most common types of failure in textile fabrics and determines the durability of an article. The tear resistance is the strength parameter, which characterizes the textile product with respect to its resistance to outer mechanical forces. In the presented work, we describe in detail the pr…
Overviewed are general approaches to mathematical modeling of SHS compaction/extrusion. Presented are some examples of successful implementation of modeling predictions in technological practice.
Abstract This paper briefly reviews work by the author identifying and describing in-reactor deformation mechanisms of materials and structures used in nuclear reactors, in particular, Zircaloy-2, Zircaloy-4, and Zr-2.5Nb, and the CANDU fuel channel (comprising Zr alloy pressure tubes, calandria tubes, and spacers). T…
The energetics of inorganic nanotubes (INTs) are investigated using both atomistic and continuum models. A relatively simple (Tersoff-II) potential model is used to study the energetics of carbon nanotube (C-NT) formation for use as a well-understood reference system. INTs formed by folding sections of MX stoichiometr…
Abstract The intercalation compound of a layered titanate with 2-aminoethanethiol was synthesized to prepare and support Au nanoparticles with morphology replicated by two-dimensional nanospace. The morphology of the formed Au nanoparticles was revealed to be plate, and the thickness and diameter of the platy particle…
The characteristics and sinterability of UO2-PuO2 mixed oxide (MH-MOX) powder prepared by the microwave heating denitration method were measured and compared with those of UO2 (ADU-UO2) powder prepared by the ADU method. Furthermore, the degree of surface roughness and flowability of MH-MOX powder were evaluated and a…
A target-specific MRI contrast agent for tumor cells expressing high affinity folate receptor was synthesized using generation five (G5) of polyamidoamine (PAMAM) dendrimer. Surface modified dendrimer was functionalized for targeting with folic acid (FA) and the remaining terminal primary amines of the dendrimer were…
Abstract In the present study, Fe‐Cr‐C hypereutectic high chromium white cast iron were prepared from industry‐grade materials and subjected to the treatment of modification using Fe‐Si‐RE alloy, aluminum and a self‐made intermediate alloy, fluctuation (ferroalloy powder), and the combination of the fluctuation and th…
Pertlikite, a new member of the voltaite group, is the tetragonal Mg-dominant analogue of the isometric phases voltaite and zincovoltaite. At its type locality, Madeni Zakh, Iran, the mineral occurs in a pyrite-bearing trachytic eruptive rock, and probably formed after the decomposition of pyrite. Pertlikite forms sin…
The effects of an atomic hydrogen ( H at ) pretreatment of the catalyst layer on the low temperature growth of single-walled carbon nanotubes (SWCNTs) have been investigated using a modified catalytic chemical vapor deposition system. Well-defined and isolated individual Fe nanoparticles as a catalyst are successfully…
In order to develop highly reliable Cu interconnects, temperature dependence of the electromigration (EM) lifetime of metal (CoWP) capped Cu interconnects is investigated. It is found that the EM lifetime is enhanced as the test temperature rise from 275 to 380 °C. NH 3 plasma treatment before the dielectric cap layer…
The dissolution of thermotropic alkylenearomatic LC copolyesters and isotropic poly( m -phenyleneisophthalamide) in a high-polarity donor solvent, N -methylmorpholine- N -oxide, has been studied. It has been demonstrated that N -methylmorpholine- N -oxide shows high dissolving power with respect to hydrophobic synthet…
A synchrotron-based x-ray photoemission electron microscope (X-PEEM) was used to investigate the coadsorption of a mixture of human albumin serum and SUB-6, a synthetic antimicrobial peptide, to a phase-segregated polystyrene/poly(methyl methacrylate) (PMMA) substrate at varying concentrations and pH. The authors show…