Materials Literature
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This study demonstrates the synthesis and characterisation of core–shell particles for the removal of chlorides from water. The evaluation of their efficiency was conducted under a variety of experimental conditions. The core–shell particles consist of an organic template coated with Mg–Al–NO3 layered double hydroxide…
Strontium (Sr) containing rare‐earth oxysilicate apatite A I 4 A II 6 (SiO 4 ) 6 O 2 is considered a good matrix to accommodate radionuclide as its cation sites can incorporate lanthanide elements other than Sr. Here, we report a study on the synthesis of Nd 8 Sr 2 (SiO 4 ) 6 O 2 and Yb 8 Sr 2 (SiO 4 ) 6 O 2 , which a…
In this article, we put forward the possibility to prepare amorphous powder from chalcogenide compositions usually located out of the glassy domain when synthesized via a conventional melt‐quenching technique. Both X‐ray diffraction and DSC techniques were used to demonstrate that the original Ge 15 Ga 20 S 65 composi…
Melt processed bio‐nanocomposites of poly(butylene succinate) (PBS)‐chitosan (CS) generated with varying amounts of silica, alumina‐silicate, and thermally reduced graphene were analyzed for their biodegradation behavior. The nanocomposite samples were embedded in soil under natural environment for varying periods of…
Mullite–nickel nanocomposite fibers with Ni nanoparticles of controllable size, dispersion, and consequent magnetic properties were fabricated using sol–gel/electrospinning method, followed by thermal reduction. The fibers were electrospun from an aqueous solution containing sol–gel mullite precursor and nickel nitrat…
Strontium fluorapatite particles with tunable morphologies and geometries were successfully synthesized via a precipitation system by adjusting the pH value and temperature. Several analysis techniques were used to investigate and characterize the particles. The surface energy was calculated using first‐principle calc…
The dielectric, ferroelectric, and electric field–induced strain behavior of Bi 0.5 (Na 0.80 K 0.20 ) 0.5 TiO 3 ( BNKT ) ceramics modified with (Ba 0.70 Sr 0.30 )O 3 ( BST ) were investigated as a function of composition and temperature. The ceramic samples were synthesized by a solid‐state mixed oxide method and sint…
Single‐phase multiferroic Ba(Fe 0.67 Ce 0.33 ) 0.01 Ti 0.99 O 3 ( BFTO :Ce) and Ba(Fe 0.67 La 0.33 ) 0.01 Ti 0.99 O 3 ( BFTO :La) nanostructures were synthesized by a hydrothermal method (180°C/48 h). Rietveld refinement of X‐ray diffraction could confirm crystalline phase and lattice deformation by Ce, La into BFTO .…
This paper discusses the implementation of an explicit density-based solver, that utilises the central-upwind schemes for the simulation of cavitating bubble dynamic flows. It is highlighted that, in conjunction with the Monotonic Upstream-Centered Scheme for Conservation Laws (MUSCL) scheme they are of second order i…
Sodium potassium niobate ( KNN ) piezoelectric ceramic thin films were prepared by a chemical solution deposition method, in which the introduction of appropriately combinational organic stabilizing agents, including monoethanolamine ( MEA ), diethanolamine ( DEA ), and ethylenediaminetetraacetic acid ( EDTA ), dramat…
Ceramics 0.94(K 0.5 Na 0.5 )NbO 3 −0.06LiNbO 3 :Er/ x Y b with x = 0, 0.002, 0.004, 0.006, 0.008 were fabricated in this study, and phase structure, dielectric, piezoelectric, ferroelectric, and upconversion photoluminescence properties of the ceramics were systematically studied. Results show that all ceramics are in…
Dense multiferroic 0‐3 type composites encompassing BaTiO 3 and Y 3 Fe 5 O 12 were fabricated by the solid‐state reaction method. X‐ray diffraction data combined with scanning electron microscopy imaging show virtual immiscibility between the two phases, with the Y 3 Fe 5 O 12 ferrimagnetic phase well dispersed in the…
Nanoscale gas bubbles residing on a macroscale hydrophobic surface have a surprising long lifetime (on the order of days) and can serve as cavitation nuclei for initiating inertial cavitation (IC). Whether interfacial nanobubbles (NBs) reside on the infinite surface of a hydrophobic nanoparticle (NP) and could serve a…
Magnesiothermic reduction of various types of silica/carbon (SiO 2 /C) composites has been frequently used to synthesize silicon/carbon (Si/C) composites and silicon carbide (SiC) materials, which are of great interest in the research areas of lithium-ion batteries (LIBs) and nonmetal oxide ceramics, respectively. Up…
Gold catalysts outperform palladium and platinum catalysts for the oxidation of sugars with high activity and selectivity toward aldonic acids. The oxidation into other sugar acids, such as uronic and aldaric acids, has been scarcely investigated. Au nanoparticles supported on CeO2 using a soft chemical reduction meth…
Copper sulfide (Cu(2-x)S) nanocrystals with nonstoichiometric composition exhibit plasmon resonance in the near-infrared region. Compositional changes and varying electron density markedly affect the position and intensity of the plasmon resonance. We report a photochemically induced phenomenon of modulating the plasm…
We report the first nitrogen-containing iron-pnictide superconductor ThFeAsN, which is synthesized by a solid-state reaction in an evacuated container. The compound crystallizes in a ZrCuSiAs-type structure with the space group P4/nmm and lattice parameters a = 4.0367(1) Å and c = 8.5262(2) Å at 300 K. The electrical…
The inhibitory effect of Bauhinia purpurea (Fabaceae) extract was studied in the corrosion of carbon steel in 1.0 mol∙L-1 sulfuric acid solution. This plant was collected from the Brazilian rainforest. The carbon steel protection was observed by varying the extract concentration from 50 to 500 mg∙L-1. Polarization cur…
The present work aimed to study sugarcane bagasse fibers pre-treated with fungi and using NaOH/ anthraquinone (AQ) in chemical pulping processes for applications in composite materials. Bagasse was decayed with 250 mg of Ceriporiopsis subvermispora inoculum in a 20 L bioreactor. After that, samples were submitted to s…
Maghnite- H+ is Algerian montmorillonite sheet alumino-silicate clay, exchanged with protons (H+). This solid non-toxic catalyst was successfully used as cationic catalyst for the polymerization of D,L-Lactid at 100°C. Interactions between Maghnite-H+ platelets and the monomer (D,L-Lactide) were studied by solid state…