Materials Literature
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ALBA is the Spanish synchrotron facility located in the area of Barcelona. It is a low-emittance, 3 GeV machine having, at present, seven state-of-the-art operating beamlines covering soft and hard X-rays. The hard X-ray beamlines comprise macromolecular crystallography, non-crystalline diffraction (SAXS and WAXS), hi…
General molecular engineering rules for the optimization of two-photon sensitive cages are presented and examples for nitrobenzyl, indole and nitrophenethyl platforms are highlighted. The efficiency of electron donor and acceptor groups in dipolar structures and the length of the conjugated system in the photolabile p…
The off-centering of the Ti atom in SrTiO3 is discussed by calculating the resonant inelastic X-ray scattering (RIXS) at the Ti K absorption edge. The present TiO6 cluster model calculation shows that the Ti K RIXS is sensitive to the local symmetry at the Ti site. When the Ti atom is displaced from the center of the…
Intravascular devices for continuous glucose monitoring are promising tools for the follow up and treatment of diabetic patients. Limiting the inflammatory response to the implanted devices in order to achieve better biocompatibility is a critical challenge. Herein we report on the production and the characterization…
Engineering components, such as those which are employed in fluid sealing systems, experience abrasive wear deterioration, which is often significantly enhanced by corrosion processes and the interaction of corrosion with the mechanical damage. Broader understanding and quantification of the corrosive abrasion is appr…
Cellulose microfibers were isolated by chemical treatment followed by acid hydrolysis using sulphuric acid. The chemical compositions for extractive, holocellulose, cellulose and lignin were determined. The functional group of raw particles and cellulose microfibers of rubberwood were determined using fourier transfor…
In recent years, multiferroic thin films have generated an enormous amount of interest due to their potential application in memory devices, photovoltaic, spintronics, etc. Bismuth Ferrite (BFO) is one of the most extensively studied materials because it is the only material that exhibit magnetic order (TN= 643 K) and…
The synthesis, crystal structures, IR, UV–vis, 7Li NMR spectra, electrochemical investigations, and conductivity studies of two new lithium-heptamolybdates, (NH4)4[Li2(H2O)7][Mo7O24]·H2O (1) and (NH4)3[Li3(H2O)4(μ6-Mo7O24)]·2H2O (2), are reported. In 1 the (NH4)+ and [Li2(H2O)7]2+, cations are charge balanced by the h…
A naphthalo-1, 8-bis[(2,4-dinitrophenyl)hydrazone] sensor (K) was synthesized and characterized using UV–vis, 1H NMR and fluorescence spectroscopy. The sensor showed strong colorimetric and spectral response upon the molar addition of acetate or fluoride ion (AcO− or F−) in acetonitrile. The complexed state (KF or KAc…
Abstract We investigated the effect of device thickness on the internal quantum efficiency (IQE) of thin-film GaN light-emitting diodes (LEDs), which were grown on Si substrates and transferred to other Si substrates with reduced film thickness. It was confirmed by Raman spectroscopy and photoluminescence measurement…
We evaluated the filtration performance of microporous metal membranes fabricated by the rolling process. Metal wire meshes were rolled with thickness reduction ratios of 10, 20, and 30%. The pore size of the metal wire mesh membrane decreased with increasing rolling ratio, whereas the removal efficiency of the suspen…
For a graph G, let and L(G) denote the complement graph and the line graph of G, and let denote the jump graph of G. It is well-known that κ (G) ≤ λ(G) ≤ δ (G). A graph G is called maximally edge connected if G has edge connectivity of its minimum degree and is called super-(edge-)connected if for every minimum vertex…
The temperature dependent susceptibility and specific heat of spinel compound CdV2O4 were investigated. The structural transition accompanied with orbital order appearing at 89.6 K is confirmed to be a first order transition, while the magnetic transitions at 30.2 K is revealed to be a second order one. For the parama…
In this paper, study on the capacitive effects of Graphene nanoribbon (GNR) in VLSI interconnect has been studied as a function of GNR width, Fermi function and gate voltage. The quantum capacitance of GNR has been simulated in terms of Fermi function for three different values of insulator thickness — 1.5[Formula: se…
We propose a compact polarization diversity optical circuit using silica waveguides and photonic crystal waveplates. By setting these circuits at the front and rear of the silicon optical devices, the polarization dependence of the silicon devices can be suppressed. Photonic crystals can be produced artificially using…
The paper is focused on a comprehensive study of JRQ and JPA reactor pressure vessel steels from the positron annihilation lifetime spectroscopy (PALS) point of view. Based on our more than 20 years’ experience with characterization of irradiated reactor steels, we confirmed that defects after irradiation start to gro…
The Missouri University of Science and Technology Subcritical Assembly has been brought back into service and upgraded with a new neutron detection system and Internet accessibility. Before the upgrade, neutron counting was possible in only one location. Using a movable detection system housed in acrylic tubes, measur…
A novel tapioca starch (TS)-based energy efficient natural sizing technology for sizing jute yarn was developed. The performance of the developed formulation was tested in a laboratory at pilot scale and subsequently validated through industrial-level shop floor trials vis-à-vis the conventional tamarind kernel powder…
The synthesis of new zinc porphyrin oligomers linked by a triazole bridge was carried out via "click" reaction. A split in the porphyrin oligomer B-band was observed. It was considered as evidence of exciton-excitonic coupling. The relaxation of excited states in Q-band porphyrin oligomers was studied by the femtoseco…
The aim of the present article is the assessment of technical shear resistance (technological shear) of orthopedic screw made of titanium alloy Ti6Al4V, produced using incremental technology in the process of 3D printing process. The first part of the work presents incremental techniques in production engineering. The…