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X-ray Applications with Glass-Capillary Optics
Glass capillaries have unique properties for guiding X-rays in experiments with micrometer precision. Design considerations of such optics are presented for X-ray applications involving macromolecular crystallography, tomography and high-pressure experiments at the Cornell High Energy Synchrotron Source. The authors p…
An Electroanalytical Investigation of Polybithiophene Modified Platinum Electrodes
An electroanalytical investigation of the polybithiophene (PBT) band structure has been performed through the study of the voltammetric response of redox systems like ferrocene ( FeC p 2 ) and p‐benzoquinone (p‐BQ) at Pt/PBT working electrode The FeC p 2 response suggests a semiconducting behavior of the PBT polymer a…
Polyaniline Derivative with External and Internal Doping via Electrochemical Copolymerization of Aniline and 2,5‐Diaminobenzenesulfonic Acid on IrO2 ‐ Coated Titanium Electrode
Copolymerization of 2,5‐diaminobenzensulfonic acid (DABSA) and aniline (AN) was performed electrochemically by cyclic voltammetry on titanium electrodes in 1 M . The copolymerization rate is strongly dependent on the amount of DABSA in the comonomer feed. The compositions of the copolymeric films were determined by x‐…
Synthesis and Surface Acid/Base Properties of Magnesium-Aluminum Mixed Oxides Obtained from Hydrotalcites
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Surface Acid/Base Properties of Magnesium-Aluminum Mixed Oxides Obtained from HydrotalcitesJianyi Shen, J. M. Kobe, Yi Chen, and J. A. DumesicCite this: Langmuir 1994, 10, 10, 3902–3908Publication Date (Print):October 1, 1994Publication History Published online…
Palladium Oxide (PdO) by XPS
X-ray photoelectron spectroscopy (XPS) spectra of palladium oxide (PdO) are presented. Clean, ground PdO powder was pressed into In foil and analyzed with a Surface Science Instruments SSX-101 M-Probe ESCA instrument using monochromatized Al Kα x rays. Spectra include a survey scan, the Pd 3d, 3p, 3s, 4s, 4p regions,…
Copper(II) 12-Metallacrown-4: Synthesis, Structure, Ligand Variability, and Solution Dynamics in the 12-MC-4 Structural Motif
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCopper(II) 12-Metallacrown-4: Synthesis, Structure, Ligand Variability, and Solution Dynamics in the 12-MC-4 Structural MotifBrian R. Gibney, Dimitris P. Kessissoglou, Jeff W. Kampf, and Vincent L. PecoraroCite this: Inorg. Chem. 1994, 33, 22, 4840–4849Publication Date (Prin…
Artificial uniaxial and biaxial dielectrics with use of two-dimensional subwavelength binary gratings
Two-dimensional symmetric and asymmetric subwavelength binary gratings are investigated. A method for determining the three effective indices of a two-dimensional (2-D) subwavelength grating is presented, as well as a theoretical formalization for the effective index parallel with the normal to the surface. It is show…
Elemental Palladium by XPS
X-ray photoelectron spectroscopy (XPS) spectra of elemental palladium (Pd) are presented. The specimen is a polycrystalline foil and was analyzed after chemical cleaning and ion-sputtering to remove surface contamination. The spectra were collected with a Surface Science Instruments SSX-101 M-Probe ESCA instrument usi…