Materials Literature
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This paper proposes a new method based on molecular self-assembly on carbon fiber surface in order to improve atomic oxygen erosion resistance for the interface of carbon fiber/epoxy composites. The self-assembly films were characterized by surface-enhanced Raman scattering and X-ray photoelectron spectroscopies. The…
Abstract A series of rare earth complexes Tb 1− x Eu x (MAA) 3 phen ( x =0.00, 0.01, 0.03, 0.05, 0.07, 0.09, 0.10, 0.30, and 0.50) were synthesized with MAA as the first ligand and phen as the second ligand. The complexes were characterized by means of FT‐IR, thermogravimetry‐differential scanning calorimetry (TG‐DSC)…
We investigated the electronic and vibrational properties of magnetite at temperatures from 300 K down to 10 K and for pressures up to 10 GPa by far-infrared reflectivity measurements. The Verwey transition is manifested by a drastic decrease of the overall reflectance and the splitting of the phonon modes as well as…
Production of cellulose nanofibres from native cellulose has been the subject of intensive investigation during the past decade. In the pulp and paper industry, it is generally believed that this new product will open new market and increase profitability. Cellulose nanofibres can be successfully produced using a TEMP…
This paper describes a numerical analysis for the shear horizontal surface acoustic wave (SH-SAW) immunoassay biosensor. A numerical calculation method which was proposed by Campbell and Jones has been generally used to calculate SAW propagation characteristics. In this paper, a numerical calculation method for SH-SA…
"Focus on superconducting properties of iron chalcogenides." Science and Technology of Advanced Materials, 13(5), pp.
In this study, phytic acid pretreatment is used as a substitute for toxic chromate pretreatment to improve the corrosion resistance of organic coating on AZ91D magnesium alloys. The microstructures of phytic acid conversion films are observed by a transmission electron microscope. The role of phytic acid pretreatment…
Cyclodextrins are cyclic oligomers of glucose that can form water-soluble inclusion complexes with small molecules and portions of large compounds. These biocompatible, cyclic oligosaccharides do not elicit immune responses and have low toxicities in animals and humans. Cyclodextrins are used in pharmaceutical applica…
The effects of bismuth (Bi) incorporation into Cu(In1-x ,Ga x )Se2 (CIGS) thin films and solar cells have been investigated. 10–50-nm-thick Bi thin layers were deposited onto Mo-coated soda-lime glass (SLG) and SiO x -coated SLG substrates by vacuum evaporation. CIGS thin films were then deposited by a three-stage pro…
First, fabrication and characterization of a NAND flash memory using novel memory cells of ferroelectric-gate field-effect transistors (FeFETs), which is named Fe-NAND, was reviewed. A 64 kb Fe-NAND memory cell array with bit-line- and block- selector circuits was produced and characterized. Several standard operation…
The electrochemical impedance technique was use to obtain the potentials of the minimum capacitance of Cu, Ag, and Au electrodes in chlorides, bromides, and iodides of sodium, potassium, and cesium. Their dependence on the nature of the metal and electrolyte, temperature and ac signal frequency is studied. It is shown…
Urania® flexographic printing ink was modified with the commercially available hyperbranched polymer Boltorn H2004. The surface tension of the printing inks was measured and the rheology behaviour of the printing inks was assessed. The flow curves (shear stress vs. shear rate) for the printing inks exhibited pseudopla…
A series of ester compounds derived from ricinoleic acid to be used as biolubricants base stock have been synthesized. The resulting products were confirmed by FTIR and NMR analyses. The synthesis was carried out in three stages: epoxidation of ricinoleic acid; synthesis of 10,12-dihydroxy-9-acyloxystearic acid from e…
Different amount of Sn doped manganese oxide octahedral molecular sieve (OMS-2) were synthesized by one-step hydrothermal method using SnCl4, MnSO4 and KMnO4 as raw materials. The Sn-OMS-2 materials were characterized by X-ray diffraction (XRD), Raman spectra, Uv-vis spectra, scanning electron microscopy (SEM), energy…
The mechanical properties of titanium Grade 2 subjected to the hydrostatic extrusion technique (HE) were investigated. The hydrostatic extrusion technique is a method which refines the titanium grains to a nano-metric size. Compared with coarse grained titanium (CG-Ti), nanocrystalline titanium (NC-Ti) is characterize…
Abstract We have succeeded in depositing monodisperse 1 nm Pt nanoparticles (NPs) on cadmium sulfide (CdS) nanostructures by employing a facile wet-chemical method. This approach is applicable for various CdS nanostructures regardless of their size, shape, and crystal structure. Moreover, photocatalytic measurements r…
The residual resistivity ratio, R 273 /R 20 , is an important parameter for multifilament superconductors (strands) based on Nb 3 Sn that are used to manufature cables of magnetic systems. High values of RRR impart stability to the cable with regard to thermal excitations. Nb 3 Sn strands for magnetic system of the In…
Abstract K-Ar measurements were used in this study of upland Savannah River Site soils to distinguish between sorbed K and the K remaining in remnants of primary minerals. Study of sorbed K contributes to understanding further the interaction of alkali metals (Cs in particular) with the soils. Primary mineral K and th…
We investigated the dispersion effect of crystalline silicon nanoparticles (SiNP) on the performance and stability of organic solar cells with the bulk heterojunction (BHJ) films of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C(61)-butyric acid methyl ester (PC(61)BM). To improve the dispersion of SiNP in the BHJ f…
Abstract Schäferite, NaCa2Mg2(V5+O4)3; palenzonaite, NaCa2Mn22+(V5+O4)3; berzeliite, NaCa2Mg2(As5+O4)3; and manganberzeliite, NaCa2Mn2+2(As5+O4)3, are cubic minerals with garnet structures (space group Ia d) in which tetrahedrally coordinated V5+ and/or As5+ at the Z site are charge balanced by disordered Na+ and Ca2+…