X-ray-absorption fine structure analysis
X-ray Absorption Fine Structure Studies of Calcium Silicate Hydrate Biomaterials in Drug Delivery
... and X-ray fluorescence yield (FLY) recorded with a Si drift solid state detector, tracking with surface and bulk sensitivities, ...XAS analysis software ...(X- ray absorption ...
209
Extended X-ray absorption fine structure study of Er bonding in AlNO:Erx films with x <= 3.6%
... Dispersive X-ray (EDX) spectroscopy and by Rutherford Backscattering Spectrometry ...EDX analysis was performed by means of a Princeton Gamma-Tech (PGT) spectrometer mounted on a CM20 Philips ...
21
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. ...
290
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 ...
5
Artifacts from manganese reduction in rock samples prepared by focused ion beam (FIB) slicing for X-ray microspectroscopy
... transmission X-ray microscopy with near-edge X-ray absorption fine-structure spectroscopy (STXM-NEXAFS) measurements to investi- gate element distributions within the ...
15
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 ...
8
Determination of Chromium(VI) reduction by acinetobacter haemolyticus using x-ray absorption fine structure spectroscopy
... the x-ray absorption fine structure (XAFS) ...XAFS analysis consisted of both the x-ray absorption near-edge structure (XANES) and extended ...
8
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] ...
267
X-ray Absorption Fine Structure and X-ray Excited Optical Luminescence Studies of Gallium Nitride - Zinc Oxide Solid Solution Nanostructures
... XRD analysis at RT and ambient temperature. EDX analysis of the resultant solid solution showed that the sample contained 49% Zn and 51% Ga which was almost identical to the 1:1 ratio of the ZnO and GaN ...
187
X RAY ABSORPTION AS AN ANALYTICAL TOOL IN NUCLEAR CHEMISTRY EUR 270 e
... Among the different absorption analysis methods such as : the fine structure determination of absorption spectra of the nuclides a more fundamental investigation and the absorption-fluor[r] ...
22
Optical Properties, Electronic Structures and High Pressure Study of Nanostructured One Dimensional Titanium Dioxide by Synchrotron Radiation and Spectroscopy
... The absorption of an X-ray photon creates a core hole followed by a cascade process of filling the hole with electrons from shallower levels via Auger electrons and X-ray ...called ...
103
Structure, Coordination Environment, and Reactivity of Biogenic Iron (Oxyhydr)oxides in Suboxic Circumneutral pH Environments.
... displayed as solid black arrows in Figure 4A. Estimated CSDs for 2LFh Fr, FrFD, and OD samples were 21, 27, and 27 Å, respectively. These values agree well with increased peak intensities seen for 2LFh FrFD and OD ...
223
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 factors of ...
5
Anharmonic Correlated Debye Model Debye-Waller Factors of Metallic Copper Compared to Experiment and to Other Theories
... in X-ray absorption fine structure (XAFS) presented in terms of cumulant expansion have been studied based on the anharmonic correlated Debye model ...
8
An oxalate cathode for lithium ion batteries with combined cationic and polyanionic redox
... state (see “Methods” section and Supplementary Fig. 11). The geometries and electronic states of oxalate were then examined using Raman and soft X-ray Absorption Spectra. Figure 3a shows Raman ...
9
Hydrogen Absorption Performance of Mechanically Alloyed (Mg2Ni)100 xTix Powder
... and nickel in this system. Similarly, though not shown here, the electron-beam diffraction patterns from TEM analyses revealed the same results. However, it was still difficult to distinguish the exact locations of titanium ...
6
A structural study of a C3H3 species coadsorbed with CO on Pd(1 1 1)
... structural analysis would substantially improve this precision, but in the present case the O 1s data proved unusable due to the strong overlap with the substrate ...
29
Exploring tarnished daguerreotypes with synchrotron light: XRF and μ-XANES analysis
... Figure 4 shows the SEM and EDX of a tarnished area on the plate, whose center presents a crystalline, petal- like structure. These petals, which fold outwards, are rich in K and Cl. Enrichment of C is seen at the ...
12
X-ray Absorption and Emission Studies of Anodic Titania Nanostructures
... length of Pd NPs than the bulk Pd foil. The reduction in amplitude indicates the disorder structure of Pd NPs due to the truncation of the lattice and the decrease of coordination number at the surface. With an ...
172
Electrochemical Synthesis and Characterisation of ZrSe2 Thin Films
... substrate at optimized preparative parameters. The sharp peaks reveal the polycrystalline nature with hexagonal crystal structure. The observed ‘d’ values are compared with JCPDS data [18] to determine the crystal ...
8