Materials Literature
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The nitrosation of [Ru(NH3)6]2+ in hydrochloric acid and alkaline ammonia media has been studied; the patterns of interconversion of ruthenium complexes in reaction solutions have been proposed. In both cases, nitrogen(II) oxide acts as the nitrosation agent. The procedure for the synthesis of [Ru(NO)(NH3)5]Cl3 · H2O…
A modified Landau-Devonshire phenomenological thermodynamic theory is used to describe the influence of in-plane anisotropic strains on the dielectric and pyroelectric properties of epitaxial Ba0.7Sr0.3TiO3 thin films grown on dissimilar tetragonal substrates. The in-plane anisotropic strain factor-temperature phase d…
Phase equilibria and compositions with tie-lines between the δ-Re, γ, γ′, β, Ni2Al3 as well as Re2Al and ReAl3 phases in a ternary Ni-Al-Re system were investigated at 1423 K by heat-treating of Ar-arc-melted Ni-Al-Re alloys in vacuum for times up to 3600 ks, followed by water-quenching and concentration measurements…
The influence of tungsten and vanadium oxides on the microstructure, phase formation and De-NOx activity of selective catalytic reduction (SCR) catalysts has been investigated. Binary (V2O5/TiO2 and WO3/TiO2) and ternary (V2O5-WO3/TiO2) samples with compositions similar to those of commercial SCR catalysts were examin…
A characteristic mechanism of foredeep migration and duplex accretion in the Southern Apennines is responsible for the emplacement of clay nappes as roof units (e.g., Sicilide Unit) which, in turn, are covered by siliciclastic sediments (e.g., Gorgoglione Formation) accumulated in piggy-back basins. In this context th…
A transmission electron microscope (TEM) accessory, the energy filter, enables the establishment of a method for elemental microanalysis, the electron energy-loss spectroscopy (EELS). In conventional TEM, unscattered, elastic, and inelastic scattered electrons contribute to image information. Energy-filtering TEM (EFT…
Wood-plastic composites (WPCs) have been gaining market share in the residential construction industry as lumber for decking, roof tiles, and siding. The durability of these materials in exterior environments is just beginning to be understood. Current research suggests that controlling moisture absorption by the comp…
A new series of bent-core molecules based on fluorinated terphenyl cores has been synthesized. The influence of the position of the polar fluorine substituent on the mesomorphic properties was studied. The mesophases under discussion were investigated by means of polarizing microscopy, differential scanning calorimetr…
A model of partial discharges (PD) in an insulated disc-shaped cavity is presented. The flat cavity walls are covered with copper foil and each PD is assumed to affect the whole cavity. The discharge process in the cavity is simulated dynamically and the model is charge consistent. The model is used to simulate the se…
A new host structure of YAG/Ce phosphor is obtained by the addition of Si in the form of Si 3 N 4 . The emission spectrum shows blue shift with lower emission intensity due to the changes in coordination environments of the whole crystal structure. Based on the results of Al 27 solid-state nuclear magnetic resonance m…
The inhibition of the corrosion of mild steel in 2M hydrochloric acid solutions by Pyridoxol hydrochloride (PXO) has been studied using weight loss and hydrogen evolution techniques. The inhibitor (PXO) exhibited highest inhibition efficiency of 71.93% at the highest inhibitor concentration of 1.0 x 10-2M investigated…
After more than ten years of intensive studies on CMR manganites, the numerous results that have been obtained revealed an unpredicted richness of their chemistry and physics. In particular, the possibility to chemically tune the competition between the different ordering parameters linked to the degrees of freedom of…
Microstructure evolution of Ru layer deposited in N 2 gas has been investigated and compared with that deposited in Ar gas for Cu diffusion barrier application. Deposition of Ru in N 2 results in high N dissolution, seemingly uniformly distributed in the Ru layer. The film microstructure is a mixture of nanocrystals a…
This research aims to investigate the functionality of nano-precipitated calcium carbonate (NPCC) as filler in thermoplastic resins based on property enhancement. Three types of thermoplastics were used: polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC). The resins were evaluated by determining the ef…
We fabricated Co2MnSi/(Mg)/Al-O/CoFe MTJs using UHV magnetron sputtering. The interfacial chemical bond between Co2MnSi and Al-O was intensively optimized by changing plasma oxidation time for Al-O and by inserting a Mg layer. The Mg inserted layer between Co2MnSi and Al-O effectively suppressed the generation of inte…
The authors report on the generation of localized defects on single-walled carbon nanotubes by means of a hydrogen electron cyclotron resonance plasma. The defects have been investigated using scanning tunneling microscopy (STM) and show an apparent topographic height in the STM of 1–3Å. In the vicinity of defects, ch…
The unique photochromic bis-chromene 5 incorporates the structural attributes of both 3 and 4 . UV-vis irradiation of 5 leads to a dark brown colour, which is formed by mixing the purple and red colours observed for the photolysates of 3 and 4 , respectively.
Three methods for the preparation of Au nanowires using SPG as a template are presented: in particular, the reshaping of 1D-aligned Au nanoparticles linked to the SPG structure yields 1D-aligned Au nanowires using chemical reduction after photoinduced dissociation, and this new method is very powerful for creating con…
Quinoline-based, tetradentate nitrogen ligands, N,N'-bis(2-quinolylmethyl)-N,N'-dialkyl-1,2-ethanediamine (alkyl = methyl, bqdmen; ethyl, bqdeen; isopropyl, bqdpen), have been investigated as the supporting ligands for the formation of bis(micro-oxo) dinuclear manganese complexes. Bis(micro-oxo)Mn(2)(iii,iii) complexe…
Due to the significant raw-material costs, the near net-shape manufacture of titanium alloy components is an attractive proposition. Processing through melting and solidification allows manipulation of the bulk composition and control of the microstructure. This research examines the effect of commonly used alloying a…