Materials Literature
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We have studied surface electronic structure and light illumination effect of spinel-type MgTi2O4 with Ti3+(d1) electronic configuration. Ti4+ species are found at surfaces of MgTi2O4, which show photo-induced effect similar to the Ti4+-oxide semiconductors with surface depletion layer. MgTi2O4 with the surface Ti4+ s…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
The pairing of metal-based electrons to form metal-metal bonds in paddlewheel complexes would suggest that this chemistry is limited to diamagnetic complexes. However, a wide variety of paramagnetic complexes exist in this geometry. Whether obtained by oxidation or reduction of the divalent dinuclear species, as a res…
The electrochemical behavior of a porous electrode based on Pr 2 CuO 4 (PCO) screen printed on the surface of Ce 0.9 Gd 0.1 O 1.95 (CGO) solid electrolyte is studied by impedance spectroscopy. The rate-determining stages of the oxygen reduction reaction at the PCO/CGO interface are found for the oxygen partial pressur…
Organoclays, unlike natural clays with inorganic cations that often have a hydration shell of H 2 O molecules, are organophylic and less adsorptive of H 2 O. These clays, therefore, are potentially important to remove organic contaminants from water; they are of great interest in industry for herbicide manufacture and…
Composite nanoparticles (NPs) have the ability of combining materials with different properties together, thus receiving extensive attention in many fields. Here we theoretically investigate the electric field distribution around core/shell NPs (a type of composite NPs) in ferrofluids under the influence of an externa…
Herbal medicines have been widely used all over the world since ancient times and have been recognized by physicians and patients for their better therapeutic value as they have fewer adverse effects as compared with modern medicines. Herbal therapeutics can be achieved by Drug Delivery systems. This herbal treatment…
Colored asphalt concrete refers to asphalt concrete pavement that pigments are added in or colorful stones are mixed with, pigments added de-colored petroleum resin asphalt pavement, or modified asphalt pavement with water permeability sprayed with colorful resin coating. It is indispensable to develop traffic safety…
In this paper, biosensor based on an asymmetric single split resonator (SRR) which is excited by a high-impedance microstrip line at microwave frequencies is presented. According to the previously obtained results, good resonance peaks have been demonstrated in the symmetric SRR, but the Q value of SRR is still lower.…
Determination of thermal residual stresses induced by manufacturing technology heating on the layer interfaces in multilayer composite materials has been considered. The fracture elimination condition has been proposed together with application aspects.
Summary Linear olefin block copolymers (OBCs) have statistical multi‐block structures and exhibit unique properties that are different from those of other polyolefin elastomers. In this work, the microstructure details of OBCs were investigated using a Monte Carlo model. Theoretical TREF profiles for these materials w…
A multifunctional electrospinning system has been developed to fabricate diversified nanofibrous structures. It consists of a high voltage power supply, a syringe pump, and a cage like collector that are dominated via the controller by setting parameters from a touch screen. As the key component, speed, and diameter o…
Architecture of the poly(l-lactic acid) (PLLA) scaffolds is known to affect protein affinity and binding strength. Here, we demonstrate that nanofibrous electrospun PLLA scaffolds reversibly absorb the pro-migratory serum factors that stimulate migration of vascular smooth muscle via an NFkB-dependent mechanism. Furth…
Abstract The aim of the present investigation is to synthesize mixed sodium potassium alanate (K 2 NaAlH 6 ) and to explore its hydrogen sorption characteristics. K 2 NaAlH 6 is synthesized through ball milling of KH and NaAlH 4 in the molar ratio 2:1 under hydrogen pressure of 10 bar. The temperature programmed desor…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Based on the density functional theory (DFT) calculations, the electronic and magnetic properties of Heusler compounds Co2YSb (Y = Sc, Ti) were investigated using the generalized gradient approximation (GGA). Amongst the systems under investigation Co2ScSb gives 100% spin polarization at EF. Co2ScSb is the most stable…
We report the enhanced silicon-vacancy (Si-V) photoluminescence (PL) intensity and n-type conductivity of ultrananocrystalline diamond (UNCD) films by oxygen ion (O + ) implantation. With O + dose increasing from 10 14 to 10 15 cm −2 , the PL intensity and n-type conductivity significantly increase by 6 and 45 times,…
The iron-based superconductivity (IBSC) is a great challenge in correlated system. Angle-resolved photoemission spectroscopy (ARPES) provides electronic structure of the IBSCs, the pairing strength, and the order parameter symmetry. Here, we briefly review the recent progress in IBSCs and focus on the results from ARP…
ZnS:Cu, Eu nanocrystals with an average diameter of ∼ 80 nm are synthesized using a hydrothermal approach at 200 °C. The photoluminescence (PL) properties of the ZnS:Cu, Eu nanocrystals before and after annealing, as well as the doping form of Eu, are studied. The as-synthesized samples are characterized by X-ray diff…