Materials Literature
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Vertically aligned, hollow nanotubes of CdSe are grown on fluorine doped tin oxide (FTO) coated glass substrates by ZnO nanowire template-assisted electrodeposition technique, followed by selective removal of the ZnO core using NH4OH. A detailed mechanism of nucleation and anisotropic growth kinetics of nanotubes have…
A series of Na1-xKxNdW2O8 (0.0 ≤ x ≤ 0.7) nanoparticles have been synthesized by an efficient glycothermal technique for the first time. SEM measurements confirmed the particle size ranges from 30-200 nm with ellipsoidal shaped morphology. Combined X-ray and neutron diffraction and Raman spectroscopy techniques were u…
We present here tunable and reconfigurable designs of linear and nonlinear plasmonic and hyperbolic metamaterials. Rich scattering features of multilayered composite nanoparticles are demonstrated, which include complex and exotic scattering signatures combining multiple dipolar Fano resonances and electromagnetic ind…
This paper is aimed to study the suitability of bio-polymers, including poly-lactic acid (PLLA) and Mater-Bi, for the production of hollow components by rotational molding. In order to reduce the brittleness of PLLA, the material was mixed with two different plasticizers, bis-ethyl-hexyl-phthalate (DEHP) and poly-ethy…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Sameerah Desnavi, Brahmananda Chakraborty, Lavanya M. Ramaniah; First principles DFT investigatio…
A new manganese( ii ) [Mn II (DEMP)(NCS)(H 2 O)] (DEMP = Schiff base derived from salicylaldehyde and 2-diethylaminoethylamine) complex has been synthesized and characterized. The complex absorbs light ranging from 200–850 nm. Thus, the molecule is capable of harvesting the entire range of sunlight falling on earth.
With increasing demand for better yield in agricultural areas, soil physical property representative measurements are more and more essential. Nuclear techniques such as computerized tomography (CT) and gamma-ray attenuation (GAT) have been widely employed with this purpose. The soil mass attenuation coefficient (μ(s)…
A novel ferrocene-containing compound 6-(3,6-di(thiophen-2-yl)-9H-carbazol-9-yl)hexyl ferrocenecarboxylate (BTC-H-Fc) was synthesized by simple chemical route, and 3,6-di(thiophen-2-yl)-9H-carbazole (BTC) was prepared for comparison. Both of the homopolymers of BTC-H-Fc and BTC were successfully synthesized by electro…
WxZn1−xO films with various doping concentration were prepared using pulsed laser deposition (PLD) on the (1120) face of sapphire. The c-axis-oriented WxZn1−xO films were grown without in-plane rotation domains when the W content in the films was below 3.6 at.%. The films exhibit a high transmittance of approximately…
The radiation shielding properties of three different stainless steels have been investigated. For this purpose, linear attenuation coefficients at photon energy levels of 662 keV and 1250 keV have been measured. The obtained results showed that ferritic stainless steel was more capable in stopping the high energy pho…
A simple and inexpensive approach based on the heat-treatment of Ag + /PVA/PVP composite film on quartz glass has been developed for fabricating large-area Ag nanorings attached small nanoparticles.
Rose Bengal photosensitized flow injection chemiluminescence method is reported using luminol-Cu(II) for the determination of vitamins A and C in pharmaceutical formulations. The reaction is based on the enhancement effect of analyte in the production of anion radicals of Rose Bengal (RB (•-)) which rapidly interact w…
Some glasses in the RE2O3–MoO3–B2O3 system (RE: Gd, Sm, Dy) were prepared by using a conventional melt quenching method, and the self-powdering phenomenon of β′-Gd2(MoO4)3 crystals, i.e., the breaking into small pieces during the crystal growth, was examined using polarized optical microscope observations in a heating…
As a classic dielectric material, BaTiO3 is one of the most important materials used in electronic applications. In this work, highly dense BaTiO3 ceramics with an average grain size of 35 nm were prepared, and dielectric and electrical properties were investigated. Microcrystalline BaTiO3 is an insulator at low tempe…
We propose the microstructural change model of magnesium hydride catalyzed by Nb2O5 during hydrogenation. The ball-milled composites, MgH2 and 1 mol% Nb2O5, were dehydrogenated and then rehydrogenated for varied time at room temperature under 0.1 MPa H2 atmosphere. The crystallite size of Mg and MgH2 was evaluated by…
A cylindrical hollow cathode discharge (HCD) in CH 4 /Ar gas mixture at pressure of 20-30 Pa was used to deposit diamond-like carbon (DLC) films on the inner surface of a stainless steel tube. The characteristics of the HCD including the voltage-current curves, the plasma images and the optical emission spectrum (OES)…
Scale up of chemical processes can introduce a variety of potential hazards including risk of thermal runaway and explosion. Many of these potential hazards are due to the deterioration in the ratio of surface area to volume that is suffered when manufacturing processes are operated at a larger scale than was used pre…
Nanocomposites exhibit high performance on antimicrobial activities and have the potential to be developed alternative antibiotics. In this study, antibacterial effects of chitosan silver nano composites (CAgNCs) were investigated using pathogenic Vibrio tapetis as a bacterial model. Agar disc diffusion and turbidimet…
A long period stacking ordered (LPSO) structure in Mg-based alloys is characterized by the periodical arrangement of stacking faults introduced to hcp matrix lattice. Alloying elements of rare earth atoms and transition metal atoms segregate to the stacking faults (SFs) and form chemically ordered structures in the la…
BiFeO3-based materials are currently one of the most studied multiferroics due to their possible applications at room temperature. However, among the large number of published papers there is much controversy. For example, possibility of synthesizing a pure BiFeO3 phase is still source of discussion in literature. Not…