Materials Literature
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Hybrid Polymeric Composites (HPC) structural materials pose a challenge of developing microcracks and delaminations under impact and dynamic loads. This paper presents the development and testing of an Intelligent Hybrid Polymeric Composite (IHPC) beam embedded with Ni-Ti Shape Memory Alloy (SMA) with crack growth ret…
The orthorhombic boride crystal family XYB14, where X and Y are metal atoms, plays a critical role in a unique class of superhard compounds, yet there have been no studies aimed at understanding the origin of the mechanical strength of this compound. We present here the results from a comprehensive investigation into…
We report the molecular dipole effect on conduction electrons in the title superconductor. The angular-dependent magnetoresistance has a peak for fields nearly parallel to the conducting layer, and the peak width scales as the field component perpendicular to the layer, indicating incoherent interlayer transport. Howe…
In the present study, we examined how the active aluminum nano‐oxide in the gamma form used as a neutral carrier for the nanoparticles of various metals (as Ag , Pr ) affected their toxic behavior. Our experiments have shown that exposure to metal nanoparticles can be reduced by binding the nanoparticles to alumina na…
Two heterobimetallic 2-dimensional layer complexes, {[Fe(bpy)(CN)(4)](2)M(4,4'-bipyridine)}·4H(2)O [bpy = 2,2'-bipyridine, M = Mn (1), Cu (2)] have been prepared by diffusion and their structures determined by single crystal X-ray diffraction. 1 and 2 are isomorphous, made of neutral bimetallic [Fe(bpy)(CN)(4)](2)M(4,…
On practical aluminium alloys, due to the complex interactions between microstructural features and local pH variations, corrosion initiation is generally observed close to intermetallics, and corrosion propagation requires the presence of a cluster of intermetallics immediately beneath the surface. Electrochemical in…
Liquid-crystalline compounds with different numbers of lactate units, n, in the chiral part were synthesised and mesomorphic properties studied. Physical properties were compared with respect to n. In the compound with one lactate unit in the chiral part the TGBA–TGBC–SmC* phase sequence was detected. For two lactate…
We describe a transfer-free method for the fabrication of nanocrystalline graphene (nc-graphene) on SiO(2) substrates directly from patterned carbonaceous deposits. The deposits were produced from the residual hydrocarbons present in the vacuum chamber without any external source by using an electron beam induced carb…
Si 3 N 4 thin films were grown on epitaxial graphene layers on 6H-SiC (0001) substrate, and the related interfacial properties have been studied by using high-resolution transmission electron microscopy (TEM), X-ray photoemission spectroscopy (XPS), and first-principles calculations. It is found that Si 3 N 4 forms un…
Spin Hall effect due to random Rashba spin-orbit coupling in the two-dimensional honeycomb lattice of carbon atoms (graphene) is considered theoretically. Using the Green function method and diagrammatic technique we show that fluctuations of the Rashba interaction around zero average value give rise to nonzero spin H…
Langmuir-Blodgett deposition has been used to form thin film networks of both metallic and semiconducting single-walled carbon nanotubes. These have been investigated to understand their physical, optical, and morphological properties. The electrical conductivities over the temperature range 80-350 K and across electr…
Ein organischer Schalter: Eine offenschalige Dyade bestehend aus einem radikalischen Perchlortriphenyl-Elektronenakzeptor und einem Tetrathiafulvalen-Elektronendonor, die über eine Vinylen-π-Brücke verbunden sind, wurde synthetisiert (siehe Bild). Die durch den intramolekularen Elektronentransfer ausgelöste Selbstorga…
Extraction and catalytic oxidative desulfurization (ECODS) could successfully integrate phosphomolybdic acid (H3PMo12O4026H2O, PMo12), hydrogen peroxide (H2O2), and 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim]BF4) into a single efficient system that was manipulated to facilitate the separation and oxidation o…
Silk was used as the template to prepare biomorphic Al 2 O 3 fibers. Silk fibers were first immersed into an AlCl 3 solution and then sintered at high temperatures to produce the final Al 2 O 3 fibers. Their microstructures, phases, synthesis process, infrared absorption spectra, and thermal conductivity were analyzed…
Although graphene looks attractive to replace indium tin oxide (ITO) in optoelectronic devices, the luminous efficiency of light emitting diodes (LEDs) with graphene transparent conducting electrodes has been limited by degradation in graphene taking place during device fabrication. In this study, it was found that th…
In this communication, a thermolysis route is developed to synthesize novel Cu(1.94)S-ZnS-Cu(1.94)S nanoheterostructures with interesting sandwich-like architectures, taking Cu(1.94)S nanoplates as precursors. Evidently, the trimeric nanostructure is formed by a three-stage process, which includes the Zn-oleate induce…
A solidly mounted acoustic wave resonator was fabricated using a 150 nm thick SrTiO3 film deposited by metal organic chemical vapor deposition and platinum electrodes deposited by sputtering. The substrate was (0001) sapphire with a multilayer SiO2/Ta2O5 acoustic Bragg reflector. Dielectric characterization of the SrT…
The present paper reports observations made on investigations carried out to study structural, optical and electrical properties of thermally evaporated ZnO thin films and their modulations on doping with metallic indium and indium oxide separately. ZnO thin film in the undoped state is found to have a very good condu…
Transition metal oxide based disinfectants offer an effective approach for water purification. The present discovery found that silver (Ag) decorated titania (TiO(2)) nano-composites displayed high potency at 2.5 ppm within 4 h co-incubation, proved to be effective at 100% inactivation. The composite disinfectant was…
Abstract The influence of the intrinsic self‐assembling properties of rigid or semirigid aromatic units as the main substructures combined with the effect of the alkylene side chains as linkers on the nanostructure of bridged silsesquioxanes was studied. The symmetry of the organic units was found to control the dimen…