Materials Literature
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The thermoelectric generator (TEG) system is a dc power source based on Seebeck effect of TEG modules, which utilize the temperature difference between the hot side and the cold side to generate electric power. The output voltage of the TEG system is highly dependent on the temperature difference between the two sides…
Different pillared interlayer clays (PILCs) with single oxide pillars of Cr and Al and mixed oxide pillars of these metals have been prepared from a Tunisian purified smectite (Hp): Several Al/metal, OH/metal and metal/clay ratios were used in order to investigate the effect on the chemical and physical properties, sp…
Two series of hyperbranched copolymers based on perfluorinated germanium hydrides of various topological structures are studied in dilute chloroform solutions by the methods of molecular hydrodynamics and optics. The first series is composed of copolymers with various molecular masses (from 2.3 × 104 to 31 × 104) that…
The effect of residual stress on the magnetoelectric properties of terfenol-D/PZT/terfenol-D laminates is studied. The sandwich structure composites with two longitudinally magnetized terfenol-D plates and one transversely polarized Pb(Zr 0.52 Ti 0.48 )O 3 plate are manufactured under different uniform and constant ma…
A simple eective model of charge ordered and (or) magnetically ordered insulators is studied. The tight binding Hamiltonian analyzed consists of (i) the eective on-site interaction U , (ii) the intersite densitydensity interaction W and (iii) intersite magnetic exchange interaction J z (or J xy ) between nearest-neigh…
In this paper we introduced anodic aluminum oxide (AAO)—AAO bonding and its applications for fabrication of 3D microstructures. For observing AAO-AAO bonding, aluminum (Al) sheet was anodized from both sides. This anodization was continued until AAO from both sides met with each other. Here AAO from both sides bonded…
We present an open-source suite of tools for computeraided drug design, CADDSuite, built upon our molecular modeling framework BALL. CADDSuite provides a wide range of tools for structure preparation, docking, QSAR and related topics.
Annealing of 3D architectures is one of the major challenges for current and next generation devices for various applications ranging from sensors, microprocessors or high density memories. One of the most promising solutions is Laser Thermal Annealing (LTA), an ultrafast and low thermal budget process already adopted…
Polyaniline (PANI) was electrochemically deposited onto aligned carbon nanotube (CNT) arrays during 500 and 2500 sec. The electronic state of nitrogen in the composites was investigated by near-edge X-ray absorption fine structure spectroscopy. The N K-edge spectra revealed that mainly emeraldine base was developed in…
This digest paper presents our initial explorations of engineering graphene 2D nanostructures into nanomechanical resonators and transducers vibrating at high frequencies (i.e., ~1-30MHz, in the HF band in radio frequency spectrum) at T ~300K. We explore very small graphene devices that are suspended over micrometer-s…
Polypropylene/Polyamide 6 (PP/PA6) blends-TiO2 nanocomposites have been prepared via melt blending PP/PA6 with TiO2 nanoparticles, which were pretreated with toluene-2,4-di-isocyanate. The functionalized-TiO2 can react with the terminal amino and carboxyl groups at PA6, interfacial interaction and compatibility betwee…
Using Vanderbilt-type plane-wave ultrasoft pseudopotentials within the generalized gradient approximation (GGA) in the frame of density functional theory (DFT), we have investigated the crystal structures, elastic, and thermodynamic properties for Ti 2 SC under high temperature and high pressure. The calculated pressu…
In this paper, we analyzed the frequency spectrum of the electromagnetic waves radiated by an electric discharge as a basic study to develop an on-line diagnostic technique for power equipment installed inside closed-switchboards. In order to simulate local and series arc discharges caused by an electric field concent…
The structure of lead zirconate titanate Pb(Zr x Ti1 − x )O3 thin films grown by chemical solution deposition on Si-SiO2-Ti-Pt substrates has been studied using transmission electron microscopy and energy-dispersive analysis. Films crystallization has been performed using laser annealing. It has been found that, in co…
Abstract In this paper a universal mathematical model using fully coupled thermal‐structural finite element analysis capable of predicting ductile‐to‐brittle failure mode transition at high strain rates is presented. Appropriate equivalent strain measures describing the onset and the growth of ductile and total damage…
The synthesis of methanol and dimethyl ether (DME) from CO hydrogenation has been investigated on Cu-based catalysts. A series of Cu/ZnO/Al 2 O 3 catalysts were prepared using a solvent-free routine which involved a direct blend of copper/zinc/aluminum salts and citric acid, followed by calcination at 450 °C. The calc…
Abstract The development of corrosion-resistant alloys with sustained thermal and mechanical stabilities is the focus of current research on high-temperature alloys. It has been shown that the creep behavior and oxidation resistance of Co–Re alloys can be improved by small additions of, e.g., B and Zr. To understand t…
We have previously synthesized a caged form of the use-dependent N-methyl-D-aspartate (NMDA) receptor ion channel blocker MK801 and used intracellular photolysis of this compound to demonstrate the subcellular location of NMDA receptor ion channels involved in synaptic plasticity. Here, we discuss considerations regar…
Space charge can greatly influence the electrical properties of insulating dielectrics. Our understanding of space charge, and our ability to control its accumulation in dielectrics, progressed slowly for many years, until reliable methods of measuring space charge profiles were developed. Nowadays, the injection of a…
Quantum dots (QDs) have many potential clinical and biological applications because of their advantages over traditional fluorescent dyes. However, the genotoxicity potential of QDs still remains unclear. In this paper, a plasmid-based system was designed to explore the genotoxic mechanism of QDs by detecting changes…