Materials Literature
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Atomic layer deposition (ALD) of tin oxide (SnO x ) films was achieved using a newly synthesized tin precursor and hydrogen peroxide. We obtained highly pure, conductive SnO x films at temperatures as low as 50 °C, which was possible because of high chemical reactivity between the new Sn precursor and hydrogen peroxid…
The charge-transfer compound [{Ru(2)(O(2)CPh-o-Cl)(4)}(2)TCNQ(MeO)(2)] x CH(2)Cl(2) (1; o-ClPhCO(2)(-) = o-chlorobenzoate; TCNQ(MeO)(2) = 2,5-dimethoxy-7,7,8,8-tetracyanoquinodimethane) was synthesized from the reaction of the neutral precursors [Ru(2)(II,II)(O(2)CPh-o-Cl)(4)] (abbreviated as [Ru(2)(II,II)] or [Ru(2)(…
A novel type of solitary wave is predicted to form in spin torque oscillators when the free layer has a sufficiently large perpendicular anisotropy. In this structure, which is a dissipative version of the conservative droplet soliton originally studied in 1977 by Ivanov and Kosevich, spin torque counteracts the dampi…
The nonequilibrium dynamics of an ion chain in a highly anisotropic trap is studied when the transverse trap frequency is quenched across the value at which the chain undergoes a continuous phase transition from a linear to a zigzag structure. Within Landau theory, an equation for the order parameter, corresponding to…
In this paper, an efficient route is developed for controllable synthesis of ordered mesoporous alumina (OMA) materials with variable pore architectures and high mesoporosity, as well as crystalline framework. The route is based on the nanocasting pathway with bimodal mesoporous carbon as the hard template. In contras…
The growth behavior of cadmium chalcogenides (CdE = CdS, CdSe, and CdTe) on sphalerite Cu(2-x)Se nanocrystals (size range 10-15 nm) is studied. Due to the capability of Cu(2-x)Se to undergo a fast and quantitative cation exchange reaction in the presence of excessive Cd(2+) ions, no Cu(2-x)Se/CdE heterostructures are…
We studied the effect of temperature on self-assembly of monodisperse colloidal nanocrystals into single-component and binary superlattices. Temperature, which serves as a weighting factor for the internal energy (U) and entropy (S) contributions to the Helmholtz free energy F = U - TS, allows tailoring relative weigh…
The bimetallic platinum complexes are known as unique building blocks and arewidely utilized in the coordination-driven self-assembly of functionalized supramolecular metallacycles. Hence, photophysical study of the bimetallic platinum complexes will be very helpful for the understanding on the optical properties and…
This work deals with the study of the mesomorphic form or mesophase induced by tensile drawing from the amorphous state of a polylactide material containing 4 mol % of d -stereoisomer units. Investigations have been carried out over the draw temperature domain 45−90 °C, i.e. an interval spanning roughly ±20 °C about t…
We use a rigorous electromagnetic approach to analyze the fundamental limit of light-trapping enhancement in grating structures. This limit can exceed the bulk limit of 4n², but has significant angular dependency. We explicitly show that 2D gratings provide more enhancement than 1D gratings. We also show the effects o…
The recent implementation of new environmental legislations led to a change in the manufacturing of composites that has repercussions on printed wiring boards (PWB). This in turn led to alternate processing methods (e.g., lead-free soldering), which affected the required physical and chemical properties of the additiv…
Shape memory alloys (SMAs) with high transformation temperatures can enable simplifications and improvements in operating efficiency of many mechanical components designed to operate at temperatures above 100°C, potentially impacting the automotive, aerospace, manufacturing and energy exploration industries. A wide ra…
La géométrie de l’inducteur et de la pièce traitée lors d’un durcissement surfacique par induction est un paramètre à prendre en compte pour optimiser l’efficacité du procédé et mieux contrôler le profil de dureté induit En effet, des variations géométriques telles que le couplage ou l’épaisseur de la pièce influencen…
In the title compound, [Ir(C(13)H(9)N(4))(C(13)H(8)NS)(2)]·3.5CDCl(3), the coordination at iridium is octa-hedral, but with narrow ligand bite angles. The bond lengths at iridium show the expected trans influence, with the Ir-N bonds trans to C being appreciably longer than those trans to N. The chelate rings are mutu…
Keywords: spin-frustrated system ; high-field magnetization ; field-induced transtion ; two-dimension spin system ; Crystal-Structures ; Cl ; Br Reference EPFL-ARTICLE-172463doi:10.1143/JPSJ.79.085002View record in Web of Science Record created on 2011-12-16, modified on 2016-08-09
In the title co-crystal, C(18)H(12)N(6)O(2)·CHCl(3), intra-molecular Cl(3)C-H⋯N hydrogen-bonding inter-actions occur between a single CHCl(3) and both N atoms at the 1,10-positions on the phenanthroline portion of the mol-ecule. The inter-planar distance between inversion-related mol-ecules is 3.241 (2) Å.
The resonant inelastic soft-x-ray scattering (RIXS) spectra of boron phosphide (BP) crystal have been calculated by using the tight-binding (TB) approximation and compared with spectra obtained experimentally by Agui et al. It is shown that typical features observed in the experimental spectra of B K and P L 2,3 emiss…
We propose three stages in protein folding, based on physical arguements involving the interplay between the hydrophobic effect and hydrogen bonding, and computer simulations using the CSAW (conditioned self-avoiding walk) model. These stages are characterized by universal exponents ν = 3/5, 3/7, 2/5 in the power law…
In this paper, YVO 4 powder was successfully synthesized from Vanadium Pentaoxide (V 2O 5), Yttrium Oxide (Y 2O 3) and ethyl acetate as a mineralizer by hydrothermal method at a low temperature (T=.230°C, and P=100bars).The as-prepared powders were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared S…
Once-through fuel cycle systems are commercially used for the generation of nuclear power, with little exception. The bulk of these once-through systems have been water-cooled reactors (light-water and heavy water reactors, LWRs and HWRs). Some gas-cooled reactors are used in the United Kingdom. The commercial power s…