Materials Literature
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The behavior of copper in the presence of cysteine in the concentration range 1∙10-6 M - 1∙10-2 M in a 0.5 M Na2SO4 solution (pH 7 and pH 9) is studied using potentiodynamic polarization and chronoamperometry. Potentiodynamic polarization shows that cysteine acts as a copper corrosion inhibitor both in alkaline and ne…
We demonstrate how to realize an indefinite media with hyperbolic isofrequency surfaces in wavevector space by employing two-dimensional metamaterial transmission lines. We classify different types of such media, and visualize the peculiar character of wave propagation by study of the cross-like emission pattern of a…
A fuzzy fiber reinforced composite (FFRC) reinforced with wavy zig-zag single-walled carbon nanotubes (CNTs) and carbon fibers is analyzed in this study. The distinct constructional feature of this composite is that the wavy CNTs are radially grown on the surface of carbon fibers. To study the effect of the waviness o…
The energetics of native point defects in GaSb is studied using the density-functional theory within the hybrid functional scheme (HSE06). Our results indicate that the Ga${}_{\mathrm{Sb}}$ antisite has the lowest formation energy and could thus be the acceptor defect responsible for the $p$-type conductivity of undop…
The aging-time dependence of the segmental relaxation time of poly(vinyl acetate) (PVAc) in the glassy state is investigated in the bulk polymer and its nanocomposites with silica (SiO(2)). These systems present identical segmental dynamics, when this is probed in the equilibrium supercooled liquid by broadband dielec…
Monolithic integration of correlated oxide and nitride semiconductors may open up new opportunities in solid-state electronics and opto-electronics that combine desirable functional properties of both classes of materials. Here, we report on epitaxial growth and phase transition-related electrical properties of vanadi…
Copper corroles exhibit inherent saddling, driven by ligand non-innocence, which may be viewed as a form of multideterminantal character. The saddling is enhanced by sterically hindered peripheral substituents. The sterically hindered complex Cu[(CF3)8T(pFP)C] (wherein the ligand is β-octakis(trifluoromethyl)-meso-tri…
The frequency distribution of habit plane variant (HPV) clusters and the deviation from twin orientation relationships (ORs) at the junction plane (JP) are investigated by transmission electron microscopy together with theoretical evaluation of the kinematic compatibility (KC) at the JP in a β-titanium shape memory al…
The distinctive paper is devoted to correct discrete-continual finite element method (DCFEM) of structural analysis based on precise analytical solutions of resulting multipoint boundary problems for systems of ordinary differential equations with piecewise-constant coefficients. Corresponding semianalytical (discrete…
A simple scalable method to fabricate luminescent monodisperse 200 nm europium doped hollow TiO(2) nanoshell particles is reported. Fluorophore reporter, Eu(3+) ions, are incorporated directly in the NS matrix, leaving the surface free for functionalization and the core free for payload encapsulation. Amine functional…
The optical and dielectric properties of cesium-doped hexagonal tungsten trioxide (Cs0.33WO3) bulk crystal and nanoparticles, which are employed in solar heat-shielding filter, were investigated by high energy-resolution electron energy-loss spectroscopy (HR-EELS). The EELS spectrum of a Cs0.33WO3 crystal showed a pro…
Abstract X-ray diffraction patterns of oriented mounts of clay minerals are often used in clay mineralogy for qualitative and quantitative purposes. Fequently occurring stacking defects, in particular, can be characterized by this technique. Modeling of these diffraction profiles has become an important tool in obtain…
We demonstrate the coexistence of two tunable symmetric and asymmetric resonances in a metamaterial composed of asymmetrical split-rings (ASRs) patterned on a dielectric layer numerically and experimentally. The full-wave simulation and measurement results demonstrate that the metamaterial reveals a symmetric cross-po…
Iron chalcogenide superconductors have become one of the most investigated superconducting materials in recent years due to high upper critical fields, competing interactions and complex electronic and magnetic phase diagrams. The structural complexity, defects and atomic site occupancies significantly affect the norm…
Abstract Plasmonic Cu nanoparticles photocatalytically deposited on a TiO2 electrode show photocorrosion under visible light. The electrode protected with poly(vinyl alcohol) exhibits photopotential and photocurrent responses due to localized surface plasmon resonance, suggesting that it could be applied to cost-effec…
In this work, changes in the hyphal morphology due to chitosan treatment in some fungal species were studied. Scanning electron microscope (SEM) observations revealed that chitosans with molar fraction of acetyl groups (F A 0.16 and 0.18) and degree of polymerization (DP 1,089 and 1,242) had a direct effect on the mor…
Cisplatin (CDDP) is one of the most effective and potent anticancer drugs used as first-line chemotherapy against several solid tumors. However, the severe side effects and its tendency to provoke chemoresistance often limit CDDP therapy. To avoid these inconveniences, the present study's research group developed long…
In this article, we describe a method for quantifying the dislocation distribution in incoherent faceted fcc/bcc interfaces, including details such as the facet length and crystallography and the location, Burgers vector, and line orientation of each interface dislocation. The method is applied to a variety of relaxed…
It is normally expected that an excellent optical material should have $p\ensuremath{\rightarrow}s$-like transitions at the absorption edge. This is because the strength of $p\ensuremath{\rightarrow}s$-like transitions usually is much stronger than those of $p\ensuremath{\rightarrow}p$ transitions, especially in those…
Raman spectroscopy, x-ray diffraction, and ab initio calculations are carried out to gain insight into the thermal expansion properties of ${\mathrm{NaZr}}_{2}{({\mathrm{PO}}_{4})}_{3}$. In situ Raman studies at high pressure in a diamond anvil cell indicate that two low-energy phonons corresponding to a combination o…