Materials Literature
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Improvement and effectiveness of polymers through reinforced materials coupled with environmental nuisance of the Cissus populnea fiber remains an area of concern. Tensile responses of chemically treated C. populnea fibers were investigated. Gravimetric analysis was used to determine the composition of C. populnea fib…
Presently, silicon nitride (SiN x ) is widely used as antireflection coating (ARC) on p-type silicon solar cell. But, two highly toxic gasses ammonia and silane are used. In the present study, the ARC and passivation properties of diamond-like nanocomposite (DLN) thin film on silicon solar cell have been investigated.…
The thermal conductance of isotopic-superlattice graphene nanoribbons randomly mixed with isotope defects is investigated by atomistic Green’s function method. The isotopic-superlattice structure reduces the thermal conductance, which changes non-monotonically as the superlattice period length decreases, and there exi…
Immobilization of biomolecules in porous supports, especially in silica matrices, is probably one of the most successful processes in biomaterials synthesis in the last three decades. The flexibility and versatility offered by the sol-gel process, ensured its leading position in the biomolecules immobilization. Functi…
Novel rigid polyurethane-polyisocyanurate foams (PUR-PIR) modified by addition of halloysite (DOA) were the focus of this research. The filler content was in the range of 0–20 wt % in relation to the sum of the masses of the used polyol and polyisocyanate. The thermoinsulating, mechanical and aging properties as well…
BACKGROUND: A colorimetric 1,5-diphenylcarbazide (DPC)-based spot test can be used to identify hexavalent chromium on various metallic and leather surfaces. DPC testing on trivalent chromium-passivated zinc surfaces has unexpectedly given positive results in some cases, apparently indicating the presence of hexavalent…
The tetragonal L10-Mn1+xGa (x<0.8) nanoparticles and bcc-Mn23Ga77 nanoparticles with large coercivity were prepared using direct reactions between Mn nanoparticles and Ga at elevated temperatures. The Mn23Ga77 phase was formed at ∼573 K while the L10-structured Mn1+xGa was formed at ∼850 K. After ball-milling, the L10…
Simulated Body Fluid (SBF) has served as a useful standard to check the bioactivity of implant materials for years. However, it is not perfectly able to imitate human serum; sometimes disparities between the SBF test and animal test were confirmed. Therefore, to ensure the reliability of the results of the SBF test ob…
The complete design, fabrication, and performance evaluation of a compact, single-cell, X-band (~9 GHz) electron injector based on a field emission cathode (FEC) is presented. A pulsed electron beam is generated by tens of kilowatts of radio frequency magnetron signals from a plug-in thin film nitrogen-incorporated ul…
The effect of anodization on the corrosion protection of AA2024-T351 by magnesium-rich primer (MgRP) was evaluated in topcoated (TC) and non-TC MgRP systems with and without defects in the form of scribes. Protection of remote scratches and global protection by the coating after exposure in selected laboratory and fie…
The phase diagram of iron-based superconductors exhibits structural transitions, electronic nematicity, and magnetic ordering, which are often accompanied by an electronic in-plane anisotropy and a sharp maximum of the superconducting critical current density (${J}_{\text{c}}$) near the phase boundary of the tetragona…
Abstract The silver migration effect into the metastable phase forms a micro-electric path, to enhance the relative dielectric permittivity of CaCu3Ti4O12 ceramics for electronic devices. Controlling the sintering time uniquely develops the metastable phase of as-sintered CaCu3Ti4O12 ceramics. A post-heating process t…
The HL-2M divertor consists of a flat-type carbon fiber composite (CFC)/CuCrZr component and a cassette structure. The CFC/CuCrZr component is made of a water-cooled CuCrZr heat sink armored with carbon CFC tiles. The CFC surface was modified by using Cr slurry to improve its wettability to copper. The Cr layer was de…
The inhibition performance of domperidone on the corrosion of copper in different concentration of HCl solution has been investigated by electrochemical, weight loss, and surface analysis, and theoretical calculation methods. Results indicate that domperidone was found to be an effective inhibitor with the inhibition…
Despite more than 50 years of investigation, the understanding of the metal-insulator transition in ${\mathrm{VO}}_{2}$ remains incomplete and requires additional experimental and theoretical works. Using Raman scattering under pressure, we first confirm the known transition around 11 GPa affecting the V orbital occup…
Abstract The development of novel and simple methodologies for the obtaining of semiconductive polymer nanoparticles with fine‐tuned optical properties represents nowadays a challenging research area as it involves a simultaneous chemical modification and nanostructuration of the polymer. Here, starting from poly[2‐me…
Thin film nonstoichiometric oxides enable many high-temperature applications including solid oxide fuel cells, actuators, and catalysis. Large concentrations of point defects (particularly, oxygen vacancies) enable fast ionic conductivity or gas exchange kinetics in these materials but also manifest as coupling betwee…
In this paper we propose and explore a method of analysis of the scattering experimental data for uniform liquidlike systems. In our pragmatic approach we are not trying to introduce by hands an artificial small parameter to work out a perturbation theory with respect to the known results, e.g., for hard spheres or st…
Organic and Medicinal chemistry international Journal is an open access journal that is committed to publish the papers on various topics of chemistry, especially synthetic organic chemistry, and pharmacology and various other biological specialties
Thin films of lead sulfide alloyed with thorium and oxygen were deposited on GaAs substrates and processed to produce a photo-diode structure. Structural, optical and electrical characterizations indicate the presence of small nanoscale domains (NDs) that are characterized by dense packaging, high quality interfaces a…