Showing papers in "Solid State Sciences in 2008"

TL;DR: In this paper, the results of X-ray diffraction reveal that Ba 2+ diffuse into the Bi 0.5 Na 0.0.5 TiO 3 lattices to form a solid solution with a pure perovskite structure, and a morphotropic phase boundary (MPB) exists at 0.06.

TL;DR: In this article, the effects of orientation degree and hot-forging temperature on thermoelectric properties were investigated, and the results showed that the electrical resistivity was reduced by increasing orientation degree, the Seebeck coefficient was increased by raising hot forging temperature, and consequently the power factor was significantly increased.

TL;DR: In this article, the structural evolution of SrCoO2.5 has been revisited by using temperature dependent X-ray and neutron powder diffraction to revisit the structure evolution.

TL;DR: In this article, a fast and easy method for preparing pure and stable nano-sized TiO2 anatase phase, using mild hydrothermal conditions, is presented, where the precursor is obtained via precipitation route using TiCl3 as starting material.

TL;DR: In this article, Raman and infrared spectroscopies have been employed to investigate the xBi2O3-(65−−x)Li2O−20ZnO−15B2O-3 glasses in order to obtain information about the competitive role of Bi2O 3 and B2O 6 in the formation of glass network.

TL;DR: In this article, an overview covering the past two decades is proposed on the chemistry and the potential applications of these original glasses, and some new tellurium glasses of the ternary system Ge/Sb/Te/I are currently in development for infrared detection of exoplanet within the framework of the Darwin mission.

TL;DR: In this paper, the effect of fluorine incorporation on structural, electrical, and optical properties of as-deposited and annealed zinc oxide (FZO) films was studied.

TL;DR: In this paper, the authors performed comparative DFT-LCAO calculations on the polar Ti|Li|Li2O(111) and non-polar Cu|Li |LiF(001) interfaces with extra Li atoms inserted inside both 2D interfaces, gradually changing their concentration.

TL;DR: In this article, it was shown that the chromate uptake obeys the Langmuir adsorption isotherm suggesting that the entire interlayer region of the LDH behaves like a surface.

TL;DR: In this article, the full-potential linearized augmented plane wave (FP-LAPW) method with the generalized gradient approximation (GGA) was used to investigate the systematic trends for structural, elastic and electronic properties of cubic SrMO 3 perovskites' family depending on the type of M cations (d 0 : Ti, Zr, d 1 : V, Nb and p: Sn).

TL;DR: In this article, the formation of perovskite-type oxides has been investigated using X-ray diffraction and analytical transmission electron microscopy with a combination of X-Ray diffraction.

TL;DR: In this paper, a series of characterizations including X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and transmission electron microscope (TEM) were performed on hexagonal close-packed (hcp) cobalt crystallite covered with multi-wall carbon nanotubes (MWCNTs).

TL;DR: In this article, the impact of surface chemistry on SOFC performance is investigated and the influence of cathode and electrolyte surface chemistry is illustrated in several examples that include electrochemical promotion, cathode poisoning by silicates and by chromium oxide.

TL;DR: In this article, two new Pb(II) two-dimensional coordination polymers, [Pb(2-pyc)(NCS)]n (1) and [pb(3-pcyc)n (2) {Hpyc = pyridinecarboxylic acid} were synthesized by a sonochemical method.

TL;DR: In this article, a polycrystalline filled skutterudite compound EuyCo4Sb12 with 0.6 is synthesized by melting method and sintered by spark plasma sintering technique.

TL;DR: A short review of molecular magnetism can be found in this article, where the main fields of activity are mentioned, ranging from the spin cross-over systems to the quest for organic (molecular) ferromagnets.

TL;DR: In this paper, the modified zinc oxide nanorods were characterized using X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), thermogravimetric (TG) analysis and photoluminescence (PL) spectra.

TL;DR: In this paper, a hierarchical CuO architecture consisting of densely packed nanoplates and nanoribbons was directly fabricated on Cu foils via a room-temperature solution-immersion process.

TL;DR: In this article, a phase analysis and crystal structure determination was carried out using X-ray powder and single crystal methods, and connections between the crystal chemistry and the occurrence of superconductivity in LaNiPO and related ThCr2Si2 type compounds were discussed.

TL;DR: In this article, a series of rare-earth zirconate RE2Zr2O7 nanocrystals (RE = La, Nd, Eu and Y) were prepared by a simple combustion method.

TL;DR: In this article, a modified sol-gel process derived from multi-component hybrid precursors was used to synthesize Eu 3+ /Tb 3+ doped REAl 3 (BO 3 ) 4 (RE = Y, Gd) phosphors.

TL;DR: In this paper, a transparent and stable (Na 0.5 Bi 0.94 Ba 0.06 ) 0.6 TiO 3 precursor chemical solution has been achieved by using ethanolamine as a ligand of Ba 2+.

TL;DR: In this article, the origin of the poor electrochemical activity of triclinic LiVOPO4 was addressed. But the authors did not address the source of the low intrinsic electronic conductivity.

TL;DR: Hollow V2O5 microspheres consisting of closely packed particles, radially aligned rods and randomly packed platelets were fabricated via calcining the as-synthesized precursors prepared by a solvo-thermal route using NH4VO3 and oxalic acid as reagent and THF as solvent as discussed by the authors.

TL;DR: In this paper, the influence that antisite defects have on the populations of other intrinsic defects, those associated with Schottky and Frenkel reactions, are investigated. And the split structures of isolated interstitial defects and the stability of various defect clusters are also discussed.

TL;DR: In this article, the effect of microwave energy on structural and photoluminescent behavior of CaTiO 3 powders was investigated by means of X-ray diffraction, micro-Raman scattering and photochemical measurements.

TL;DR: In this paper, the adsorptive properties of manganese dioxide formed in situ were evaluated for trace organic pollutants removal with four different organic pollutants as the model organics which have different functional groups on aromatic ring.

TL;DR: In this paper, the surface area of high surface area carbides of the early transition metals Mo and W was obtained using a combination of neutron diffraction Rietveld refinement, X-ray photoelectron spectroscopy, surface area measurements and scanning transmission electron microscopy.

TL;DR: In this paper, a series of ordered mesoporous single-crystal Cr2O3 samples were synthesized through a hard-templating pathway by using three-dimensional (3D) cubic Mesoporous silica, KIT-6, as the template and chromium nitrate as the precursor.

TL;DR: In this article, the diffusion of strontium and zirconium in single crystal BaTiO 3 was investigated in air at temperatures between 1000°C and 1250°C.