Showing papers in "Materials Chemistry and Physics in 1997"

TL;DR: In this article, the effect of various modified embedded atom method (MEAM) parameters on the calculated properties of a model material, nickel, was investigated. And the results showed that the predicted material properties are extremely insensitive to the parameter variations examined.

TL;DR: In this paper, a series of low-melting, water-resistant lead-zinc metaphosphate and polyphosphate glasses were characterized by Fourier transformed infrared (FTIR) spectrophotometer and X-ray photoelectron spectroscopy (XPS).

TL;DR: In this paper, the performance of carbon steel and high phosphorus weathering steel (Acr-Ten A) exposed to indifferent atmospheric environments was studied and compared after exposure for various periods (up to 6 years) in Taiwan, in an industrial atmosphere, the corrosion kinetics of steel was found to deviate from the behavior predicted by the well-known bilogarithmic law after 3 years' exposure.

TL;DR: In this paper, stacking fault tetrahedra are placed at the center of the point defect reaction and the structure of the defect and the energy relation are described, featuring characteristic point defect processes in each.

TL;DR: In this article, the effect of atmospheric oxygen on the IR spectra of the two lower-valent vanadium oxides, obtained on temperature-programmed reduction treatment, were also characterized with diffuse reflectance and electron-paramagnetic resonance spectra.

TL;DR: In this article, the effects of La2O3 and A12O3 on the properties and structures of lanthanum aluminosilicate (LAS) glasses were evaluated.

TL;DR: In this paper, thin films of ZnO and CdO are prepared by the simple, economical and versatile method of chemical spray pyrolysis, based on the preparation of solutions of some salt of the material whose thin films is to be prepared.

TL;DR: In this paper, two new kinds of sensor structures, viz., a Pd/ZnO/p-Si heterojunction and Pd /Zn o/zn metal-active insulator-metal (MIM) have been fabricated and tested for hydrogen sensor applications.

TL;DR: In this article, the effect of benzyl triethanol ammonium chloride (BTAC) and EBTAC on the corrosion of carbon steel in sulphuric acid solution is measured by the weight loss method.

TL;DR: In this article, the lifetimes of rare earth ions in silica gel (Eu3+ and Tb3+) doped with Eu(dbm)(3).phen, Tb(acac) and phen(1,10-phenanthroline) were longer than those in pure rare earth ion.

TL;DR: In this paper, the Curie temperature of a ferroelectric ceramics with 1.0 mol.% MgO and 0.05 mol. MnO 2 was prepared with a rate-controlled sintering profile and the lattice constant of this BST system decreases as the strontium molar fraction increases.

TL;DR: In this paper, the effect of some selected metal cations, viz., Na+, Al3+ and Zn2+ on the corrosion of mild steel in 1 M sulphuric acid solution containing a thiol called 2-mercaptobenzimidazol, has been studied by potentiodynamic polarization technique, over the temperature range 30 to 50 °C.

TL;DR: In this article, the thermal behavior of the (NH 4 ) 6 [TeMo 6 O 24 ] · 7H 2 O Anderson phase has been analyzed in N 2 and H 2 /N 2 atmospheres b differential thermal analysis and thermogravimetry (DTA-TG) and temperature-programmed reduction (TPR) techniques X-ray diffraction, IR and Raman spectroscopies as well as scanning electron microscopy (including electron microprobe) have also been employed to characterize the intermediate and final products of the pyrolysis.

TL;DR: In this article, a solution growth process is employed for the deposition of CdS 1 − x Se x thin film composites with 0 ≤ x ≤ 1.5 and x ≥ 0.8.

TL;DR: In this paper, the effect of pyridoxal (PHC), 4-methylthiosemicarbazide (4MTS), P4TS, 4MTS and ZnP4TS has been studied.

TL;DR: In this paper, the authors measured the conductivities of the Fe2O3-MoO3/TeO2 system and found that the glass formation region was found to be Fe 2O3 = 0−20 mol, MoO 3 = 0-40 mol, and TeO2 = 50-100 mol.

TL;DR: In this article, the vibrational assignments of PO4 and TiO6 vibrations have been approximated in terms of Td and Oh symmetry species, respectively, for single crystals of KTiOPO4 (KTP) and K 0.5Rb0.5

TL;DR: In this paper, an investigation was undertaken to evaluate the effect of in-plane stresses on the impact behavior of composite laminates, and the experimental results showed that the impact behaviour was highly related to both pretension and precompression.

TL;DR: The influence of different concentrations of imidazole in the presence of 1 M sulphuric acid on electrochemical and corrosion behavior of steel both with and without varying concentrations of copper cation Cu++ was studied potentiokinetically as discussed by the authors.

TL;DR: The relationship between adhesion energies and Schottky barrier heights of various metal/semiconductor or metal/insulator interfaces has been investigated in this article and the main conclusion that such a relationship might be used to enhance our understanding of the fundamental aspects associated with metal/ceramic interfaces, or vice versa.

TL;DR: In this article, the voltammetric behavior of Ni-Co oxides fabricated by thermal decomposition as well as their activities for the oxygen evolution reaction (OER) are examined by cyclic voltammetry (CV) and log i-E curves (Tafel study) in alkaline media.

TL;DR: The crystal orientation of dendritic growth has been determined by the direction of the axis of a pyramid composed of four equivalent closest packed planes for fcc and bcc.

TL;DR: In this article, the effect of natural zeolite on the cure kinetics of epoxy resin system was studied by autocatalytic cure kinetic, and it was shown that the natural zerosolite as an accelerator changed the cure mechanism and increased the cure rate.

TL;DR: In this paper, thin films of Co 3 S 4 have been prepared by the chemical bath deposition process using cobalt(II) chloride and thiourea as the starting materials and NH 3 (aq) as the complexing agent.

TL;DR: In this paper, a new preparation method for LiNiVO4 has been developed, which can be readily obtained from the solid state reaction of LiNiO2 and V2O3 orV2O5 at 700 °C for 2 h in air.

TL;DR: In this article, the application of various types of carbon adsorbents (active carbons, carbon molecular sieves, graphitized carbon black and others) in the analytical gas chromatography are discussed.

TL;DR: In this paper, the effect of antimony oxide at higher concentrations (> 2 mol%) and variable valence states of Sb on the nonlinearity of ZnO varistor ceramics has been investigated.

TL;DR: In this article, the effect of PbCl2 or SnO addition on properties of stannous chlorophosphate glasses has been studied and a possible structural model of Sn-Pb-P-O-Cl glasses is proposed and used to explain the property change due to composition variation.

TL;DR: In this article, the photoluminescent excitation spectra and spectra of ZnS:Mn nanocrystals were obtained by coprecipitation and the reaction conditions, such as the amount of manganese doped, the concentration of the reactant, the surfactant, and the reactive temperature and time were studied systematically.

TL;DR: In this paper, a chemical vapour deposition technique has been developed for highly transparent conducting tin oxide thin films from the reactive thermal evaporation of SnCl2, and the results concerning optical transmittance, electrical conductivity and crystallinity were obtained in this way at substrate temperatures in the range of 500-550°C.