extended x-ray absorption fine structure (EXAFS)
Experimental and Theoretical Developments in Extended X Ray Absorption Fine Structure (EXAFS) Spectroscopy
... Data Analysis in Extended X-ray Absorption Fine Structure: Determination of the Background Absorption and the Threshold Energy Introduction.. References CHAPTER IIX:.[r] ...
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Evaluation of Gallium Arsenide Thermal Expansion Coefficient by Extended X Ray Absorption Fine Structure
... [35] Fornasini, P., Beccara, S., Dalba, G., Grisenti, R., Sanson, A., Vaccari, M. and Rocca, F. (2004) Extended X-Ray Absorption Fine Structure Measurements of Copper: Lo- cal ...
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Local Atomic Structure and Electronic State of ZnS Films Synthesized by Using CBD Technique
... by X-ray diffractometer (MultiFlex, Rigaku ...dispersive X-ray spec- troscopy (EDS) (VANTAGE, NORAN ...atomic structure of the film were determined by the X-ray ...
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Extended X-ray absorption fine structure study of Er bonding in AlNO:Erx films with x <= 3.6%
... studied composition range. The incorporation of Er in the host lattice causes considerable distortion as the Er-N distance is found to be 15% longer than the Al-N bond length. The local stress thus induced is mainly ...
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Characterization of the catalytic mechanisms of 'Escherichia coli' fumarate reductase and ubiquinal oxidase cytochrome bd
... freezing technique (see Bray and George, 1985; Olson et al., 1974). The reduction sequence for the prosthetic groups (Molybdenum, iron-sulphur and FAD) has been determined as xanthine— >Mo— >Fe-S— >FAD— >02. ...
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Determination of Chromium(VI) reduction by acinetobacter haemolyticus using x-ray absorption fine structure spectroscopy
... the x-ray absorption fine structure (XAFS) ...the x-ray absorption near-edge structure (XANES) and extended x-ray absorption ...
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Structural studies of anodic films on pure aluminium
... Chapter six contains the extended x-ray absorption fine structure EXAFS, x-ray near edge structure XANES, and the reflection EXAFS ReflEXAFS spectra measured above the Kabsorption edge o[r] ...
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FORMATION AND CHARACTERISATION OF NANOCRYSTALLINE COPPER IN AMORPHOUS SILICA
... Extended x-ray absorption fine structure (EXAFS) is a powerful method utilised to investigate the local structure of ...
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Development of Nanomaterials for Lithium-Ion Batteries by Atomic Layer Deposition
... Synchrotron radiation (SR) is so named because it was first observed at synchrotrons, which are large and complex machines built for high-energy physics experiments. Charged particles are accelerated up to relativistic ...
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A method for normalization of X ray absorption spectra
... X-ray absorption spectroscopy (XAS) is often divided into extended X-ray absorption fine structure (EXAFS) and X-ray absorption ...
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High-pressure EXAFS Debye-Waller factors of metals
... Abstract: The anharmonic correlated Debye model has been developed to investigate the pressure effects on the extended X-ray absorption fine structure (EXAFS) Debye-Waller ...
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Time-Resolved Energy Dispersive Extended X-Ray Absorption of Fine Structure (EXAFS) Measurements of Oligomerisation Reaction Catalysed by Nickel Homogeneous Catalyst and Alkyl-Aluminium Co-Catalyst
... Energy Dispersive EXAFS (EDE) data has been analysed for the nickel (3-diketonate catalysts, Ni(dpm) 2 , using curved wave theory with ab initio phaseshifts.. The derived p[r] ...
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Structure analysis of vitusite glass–ceramic waste forms using extended X-ray absorption fine structures
... beams, respectively and x corresponds to the thickness of the speci- mens. The background of the spectrum was subtracted by a polynomial fi tting of pre- and post-edge regions using the Athena program in the ...
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Exploring tarnished daguerreotypes with synchrotron light: XRF and μ-XANES analysis
... dispersive X-ray (EDX) spectroscopy reveal the presence of C, O, Na, K, P, Cl, Hg, Ag, Cu, S and ...based X-ray absorption near edge structure (XANES) spectroscopy, together with ...
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Hydrogen Absorption Performance of Mechanically Alloyed (Mg2Ni)100 xTix Powder
... the X-ray diffraction technique, XANES was used to evaluate the electronic states of the selected atom in the as-milled ...main absorption Ni K-edges of the milled powders shifted slightly toward the ...
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A structural study of a C3H3 species coadsorbed with CO on Pd(1 1 1)
... note this parameter also accounts for instrumental effects and contact potential differences.) If the R-factor value of the best-fit (lowest R value) structure is acceptably low, the associated model ...
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Proton Transfer, Hydrogen Bonding, and Disorder: Nitrogen Near-Edge X-ray Absorption Fine Structure and X-ray Photoelectron Spectroscopy of Bipyridine-Acid Salts and Co-crystals
... X-ray Photoelectron Spectroscopy (XPS). XP spectra of the powder samples (∼1 mg) were recorded with a Kratos Axis Ultra instrument employing a monochromatic Al Kα source (1486.69 eV). 21,38 High resolution ...
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Advanced Nanoscale Characterization of Cement Based Materials Using X-Ray Synchrotron Radiation: A Review
... of X-ray penetration is smaller than the measured dimensions of the sample, computed attenuated length is ...which X-ray transmission is equal to 1/e, or ...the X-ray penetration ...
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A structural investigation of the passive film on iron and iron/chromium alloys
... The Fe5%Cr alloy shows sim ilar results to pure Fe but as the Cr content increases the first Fe-Fe distance increases whilst the first Fe-O distance remains constant. This distance is found to be 3.05 ± 0.01 A for both ...
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Incorporation of square planar Pd2+ in fluorite CeO2 : hydrothermal preparation, local structure, redox properties and stability
... have been prepared by low-temperature hydrothermal synthesis. Attempts to achieve a higher value of Pd substitu- tion led to the formation of PdO as a secondary phase. Anal- ysis of the Pd K-edge EXAFS and the powder XRD ...
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