Single crystal
Preparation and characterization of single crystal electrodes.
... OF SINGLE CRYSTAL ...oriented single crystal surfaces have demon- strated the influence of surface structure on the rate and mechanisms of many electrochemical ...of single crystals and ...
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Conductivity mechanism analysis at high temperature in bismuth titanate: A single crystal with sillenite-type structure
... This work presents an insight on the conductivity phe- nomenon of the BTO single crystal as a function of tempera- ture. A set of electrical parameters assigned to high tempera- ture properties is derived. ...
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Influence of High Current-Density Impulses on the Stress-Strain Response and Microstructural Evolution of the Single Crystal Superalloy CMSX-4
... the electroplastic effect is only clearly observed at high current densities which, owing to the material’s electrical resistance, also lead to substantial thermal loading (Joule heating). In order to separate the ...
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Optical and Structural Study of ZnO Thin Films Deposited by RF Magnetron Sputtering at Different Thicknesses: a Comparison with Single Crystal
... PL spectra reveal a blue emission band attributed to localized donor states (for single crystal and 1200 nm film). At low temperatures (<80 K) PL spectra are dominated by the emission attributed to the ...
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Structural, microstructural, and transport properties of highly oriented LaNiO3 thin films deposited on SrTiO3(100) single crystal
... As far as these previous studies are concerned, polycrys- talline thin films were formed but without any appreciable preferred orientation. Then, one of the aims of this work is to study the experimental conditions to ...
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On Post-Weld Heat Treatment of a Single Crystal Nickel-Based Superalloy Joint by Linear Friction Welding
... a single crystal nickel-based superalloy joint made with linear friction welding ...LFWed single crystal nickel-based superalloy joints when performing ...
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Birefringence, Photo luminous, Optical Limiting and Third Order Nonlinear Optical Properties of Glycinium Phosphite (GlP) Single Crystal: A potential Semi Organic Crystal for Laser and Photonics Applications
... (GlP) single crystal was grown by slow evaporation technique with good optical ...The crystal crystallizes in monoclinic crystal ...the crystal is high in aqueous solution than polar ...
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THE ROLE OF ANIONS IN SINGLE CRYSTAL PLATINUM CYCLIC VOLTAMMOGRAMS.
... O intervalo de potencial de aparição dos estados anômalos de adsorção reflete a força de adsorção dos ânions sobre o eletrodo; enquanto que para o perclorato (cuja adsorção é fraca ou[r] ...
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Thermally activated exchange narrowing of the Gd3+ ESR fine structure in a single crystal of Ce1-xGdxFe4P12 (x approximate to 0.001) skutterudite
... Electron spin resonance (ESR) is a sensitive and powerful microscopic tool that provides information about crystal field (CF) effects, site symmetries, valencies of paramagnetic ions, g values, and fine and ...
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Syntheses, crystal structure and spectroscopic characterization of novel N-R-sulfonyldithiocarbimate and triphenylphosphine nickel(II) complexes
... X-ray single-crystal analysis showed that all complexes present a similarly distorted square-planar configuration around the nickel atom due to the steric effect of the triphenylphosphine ligands and the ...
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J. Braz. Chem. Soc. vol.19 número1
... complexity of carbohydrate derivatives, due to subtle differences in reactivity of the various hydroxyl groups and the possible formation of species co-existing in equilibrium under different reaction conditions, may ...
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J. Braz. Chem. Soc. vol.25 número1
... by single crystal X-ray diffraction, Fourier transform infrared spectroscopy (FT-IR), electron spray ionization-mass spectrometry (ESI-HRMS), X-ray powder diffraction (PXRD), 1 H and 13 C ...
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Raman and infrared spectroscopic studies of phurcalite from Red Canyon, Utah, USA – Implications for the molecular structure
... 1.804, 1.79, 1.804, 1.79, 1.796, 1.814 to 1.793 Å, respectively, the average of them is 1.80 Å. Also all these calculated U–O bond lengths in uranyl of the sample studied in this paper and those published are close to ...
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Braz. J. Phys. vol.40 número3
... experimental wavenumber values are compared with those obtained from ab-initio calculation and the assign- ment of the Raman bands to the respective molecular vibrations is also given. Finally, a discussion related to a ...
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Mat. Res. vol.20 número5
... A [211]-oriented niobium single crystal was deformed by equal channel angular pressing (ECAP) at room temperature using the route B c to a total strain of 9.2. A sharp cube texture develops after ECAP ...
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Quím. Nova vol.23 número3
... Some rare earth metals such as samarium (II) and ytterbium (II) have recently been used to prepare bent metallocenes containing the phospholyl anion. These complexes were obtained either by reaction of the appropriate ...
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Syntheses, crystal structure and spectroscopic characterization of novel N -R-sulfonyldithiocarbimate zinc(II) complexes
... The single crystal X-ray analysis showed a similarly distorted tetrahedral configuration around the zinc(II) cation due to the bidentate chelation by two sulfur atoms of the N -R-sulfonyldithiocarbimate ...
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A copper(II) complex of a semicarbazone : crystal structure, spectroscopic analysis and cytotoxicity against human cancer cell lines
... [F 2 [ 4r(F 2 )] = 0.048; w 2 = 0.092 for 17,954 observed reflections and 276 parameters. We obtained a large value of Rint in the crystallographic data, due to the crystal quality. The X-ray diffraction data were ...
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FT-IR, Thermal and Optical Studies of Gel Grown Cobalt Tartrate Crystals
... in single crystal and polycrystalline form by gel technique [4], and modified such materials by suitable substitution to determine the effect of modifi- cation of composition on their characteristics ...of ...
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J. Braz. Chem. Soc. vol.17 número8
... The single crystal X-ray analysis of the product shows that the molecule is almost planar, with the pyridine ring N(1)-C(5) ...N–N single bond ...
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