Showing papers in "Materials Research Bulletin in 2010"

TL;DR: In this article, the synthesis of ZnO nanowires via chemical vapor deposition (CVD) at 650°C was reported, and the results showed that these nanowire are suitable for sensing applications.

TL;DR: In this article, Bismuth vanadate (BiVO{sub 4}) was synthesized by the co-precipitation method at 200 {sup o}C. The photocatalytic activity of the oxide was tested for the photodegradation of rhodamine B under visible light irradiation.

TL;DR: In this article, a co-precipitation method was used to synthesize calcium doped CeO2 nanoparticles with doping concentrations between 0 and 50 moll% for ultraviolet filtration application.

TL;DR: In this paper, the synthesis, characterization and application of nano zero-valent iron (nZVI) powder has been reported and compared with commercial available ZVI powder for Pb2+ removal from aqueous phase.

TL;DR: In this paper, the gold nanoparticles-graphene hybrids were characterized by high-resolution transmission electron microscopy, atomic force microscopy and X-ray photoelectron spectroscopy.

TL;DR: In this paper, the relationship between the substrate, the synthesis parameters and the crystallographic orientation of the AlN thin films is discussed, and a guide is provided showing how to optimize these conditions to obtain highly c-axis oriented AlN-thin films on substrates of different nature.

TL;DR: In this article, Trigonal selenium (t-Se) nanowires and nanotubes were successfully prepared on a large scale via an environment-friendly synthetic process, in which no templates or surfactants were employed.

TL;DR: In this paper, a simple and modified solvothermal method at large scale using ethanol as the refluxing solvent and NaBH4 as reducing agent was successfully synthesized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic light scattering (DLS), UV-visible and surface area studies.

TL;DR: In this article, an interpretation based on the thermodynamic viewpoint and the measurement of the combustion temperatures during the reactions occurring for various fuel-to-oxidant ratios was proposed for a study of the nature of combustion and its correlation with the characteristics of as-synthesized powders.

TL;DR: In this paper, a lamlar birnessite-type MnO-sub 2 materials were prepared by changing the pH of the initial reaction system via hydrothermal synthesis.

TL;DR: In this paper, Ca3Co4O9 (349) thermoelectric oxide ceramics were successfully prepared by Spark Plasma Sintering process and the effects of uniaxial pressure (30-100 MPa), the dwell temperature (700-900 °C), and cooling rate were investigated.

TL;DR: In this article, a facile composite-hydroxide-mediated (CHM) approach was used to obtain an enhanced ferromagnetic property at room temperature with a remanence magnetization (Mr) of 1.36 × 10 −3 ǫ/g and coercivity (Hc) of 22 Oe.

TL;DR: In this article, the fabrication and photocatalytic application of zinc ferrite nanocrystals were reported by physically grinding the ZnFe2O4/P25 nanocomposite with TiO2 (commercial Degussa P25).

TL;DR: In this article, the dielectric properties of the as-synthesized Al-doped SiC powders were investigated, and the mechanism of defect polarization loss by doping has been discussed.

TL;DR: In this paper, a template-based liquid phase deposition method was used for the preparation of Fe-doped TiO 2 nanotube arrays for photocatalytic applications.

TL;DR: In this paper, it was shown that Eu2+ ions are located in both high (g 4.6) and low symmetry (‘‘U' spectrum) sites in the structure of aluminoborosilicate glasses.

TL;DR: In this article, as-synthesized and annealed yttrium oxide powders were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), scanning electron microscopy (SEM), UV-visible (UV-vis), photoluminescence (PL) spectra and Fourier transform infrared spectrometer (FTIR).

TL;DR: In this article, the authors showed that the co-coating process and freeze-drying method can effectively improve the electrochemical performances of LiFePO{sub 4} materials.

TL;DR: In this article, the versatility of electrospinning technique and hydrothermal growth of nanostructures enabled the fabrication of hierarchical CeO2/TiO2 nanofibrous mat.

TL;DR: In this article, surface modified magnetite nanoparticles (MNPs) were synthesized by co-precipitation of aqueous solution of ferrous and ferric salts (molar ratio 1:2) upon adding a base followed by calcium salt of poly(γ-glutamic acid) (Ca-γ-PGA) for uniform coating on the surface of MNPs.

TL;DR: In this paper, the phase structure, microstructure and dielectric properties of NBCTO ceramics sintered at various temperatures with different soaking time were investigated, and it was shown that pure NBCTO phase could be obtained with increasing the temperature and prolonging the soaking time.

TL;DR: In this paper, a co-precipitation method was used to synthesize gold-coated iron oxide nanoparticles, which showed magnetic recoverable catalytic activity for the reduction of 4-nitrophenol with NaBH4.

TL;DR: In this article, Li et al. proposed Progra, which is a Progra-based approach for Chinese-English language learning and was used in the Chinese National Key Basic Research Program of China.

TL;DR: In this paper, well-crystallized bismuth subcarbonate nanoparticles were successfully synthesized by water-in-oil (w/o) microemulsion-assisted hydrothermal method.

TL;DR: In this article, the effects of pH values on crystallinity, morphology, optical and luminescence properties of ZnWO4 powders with different morphologies were fabricated through a template-free hydrothermal method at 180 8C for 8 h in a wide pH range.

TL;DR: In this article, the authors used powder X-ray diffraction to obtain n-type oxide thermoelectric ceramics with large Seebeck coefficient and achieved the maximum figure of merit of ∼ 0.36 at 1045 K for La0.1Sr0.83Dy0.07TiO3.

TL;DR: In this paper, the effects of particle size on the adsorption performance of tungsten oxide nanoparticles were investigated and the mechanism of nanoparticle formation for each synthetic route was examined.

TL;DR: In this paper, a mixture of talc and magnesium oxide powders was first milled by a planetary ball mill, and then annealed at 1000 and 1200 °C for 1 h. The particle size of this sample was less than 500 nm.

TL;DR: In this article, a polyaniline (PAni)/Co 0.5Zn0.5Fe2O4 nanocomposite was prepared by an in situ polymerization in an aqueous solution.

TL;DR: In this paper, a layered LnBaCo2O5+δ with the cation-ordered double perovskite structure was synthesized by the solid-state reaction route and characterized by X-ray diffraction, thermogravimetric analysis and dilatometry.