X-Ray Absorption Spectroscopy (in Materials Characterisation/X Ray Analysis)
Time-resolved X-ray absorption spectroscopy
... hard X-ray pulses from a synchrotron by co-propagating an intense femto second laser pulse with the electron bunch within a specialised insertion device in the stor- age ring, so that the interaction ...
5
Alignment of Vertically Grown Carbon Nanostructures Studied by X Ray Absorption Spectroscopy
... as X-Ray diffraction (XRD) [7] [8], but the information provided by the intensity of the (002) pat- tern is not very sensitive to the vertical alignment and the local order, or Grazing Incidence Small Angle ...
19
Correlation between Structure of Titanium Additives and Dehydrogenation Reaction of Magnesium Borohydride Studied by Continuous Observation of X Ray Absorption Spectroscopy
... Dispersive optics for XAFS observation is an attractive tool because it does not contain the mechanical motion module during observation of the X-ray absorption spectroscopy, which enables us ...
6
Fast time dependent density functional theory calculations of the x ray absorption spectroscopy of large systems
... the X-ray ...that X-ray spectroscopy provides a local probe of ...of X-ray free-electron lasers that can deliver short femtosecond pulses of hard X-rays has opened ...
8
Structural characterization of vanadium oxide catalysts supported on nanostructured silica SBA-15 using X-ray absorption spectroscopy
... X-ray absorption spectroscopy (XAS). Because the number of potential parameters in XAS data analysis often exceeds the number of “ independent ” parameters, evaluating the reliability and ...
20
WinXAS: a Program for X-ray Absorption Spectroscopy Data Analysis under MS-Windows
... Regardless of the system under investigation, basically every X A S (X-ray absorption spectroscopy) data analysis begins with the visualization of experimental spect[r] ...
5
A Study of Transient Phase Transformation in LFS/C using in-situ Time Resolved X-ray Absorption Spectroscopy
... unknown. X-ray absorption spectroscopy (XAS) can be used to study local, atomic, and electronic structures, as well as to study the stability of electrode materials ...of X-ray ...
11
Interpretation of x ray absorption spectroscopy in the presence of surface hybridization
... X-ray absorption spectroscopy (XAS) data in the context of functional organic molecules on metal surfaces using dispersion-corrected DFT calculations within the transition potential ...of ...
7
Detection and Characterisation of Sub-Critical Nuclei during Reactive Pd Metal Nucleation by X-ray Absorption Spectroscopy
... XAFS is an excellent tool for in situ studies of local struc- ture and speciation of transition metals in solution phases because the technique provides information on both the oxi- dation state of the ...
10
Activation and Deactivation of a Robust Immobilized Cp*Ir-Transfer Hydrogenation Catalyst: A Multielement in Situ X-ray Absorption Spectroscopy Study
... In summary, we report the fi rst study of an immobilized homogeneous transfer hydrogenation precatalyst using XAS at both hard and soft X-ray for Ir, Cl, and K. This novel combination of techniques allowed ...
7
A Versatile Liquid-Jet/Sessile Droplet System for Operando Studies of Reactions in Liquid Dispersions and Solutions by X-ray Absorption Spectroscopy
... carbonation reaction. The setup can be operated at even higher temperatures and was tested for reactions up to 60 ° C. Besides maintaining the operating temperature, the tempera- ture control loop helped to prevent ...
10
Chemical State of Iron of LiFePO4 during Charge Discharge Cycles Studied by In Situ X ray Absorption Spectroscopy
... the absorption edge for a ferrous compound is generally located at the low energy side compared to that for a ferric compound, although the spectra include more information about the local electric states of ...
5
Structure and Bonding in Au(I) Chloride Species: A Critical Examination of X-ray Absorption Spectroscopy (XAS) Data
... extended X-ray absorption fine-structure (EXAFS) determination of the solution ...the X-ray absorption near- edge structure (XANES) of [AuCl 2 ] is characterized by a weak Au 2p ...
8
Site specific magnetism of half metallic Mn2RuxGa thin films determined by x ray absorption spectroscopy
... The common way to circumvent this problem is to assume that the values for the magnetic moments obtained by the sum rules have to be multiplied by a factor ∼1.5 in the case of Mn [10], to obtain agreement with other ...
5
The structure of the Au(111)/methylthiolate interface : new insights from near edge X ray absorption spectroscopy and X ray standing waves
... S K-edge NEXAFS data from methylthiolate adsorbed on Au(111) in a (√3x√3)R30° ordered phase show two dominant peaks corresponding to transitions to states of symmetry, the higher energy feature being the expected ...
37
X-ray Absorption Spectroscopy, X-ray Diffraction and Optical Luminescence Studies of Phase Transition of Titania Nanotubes
... powder X-ray diffraction beamline (09A) at TPS is desirable for the study of the static and dynamic structures of hard condensed matter with hard-X-ray ...the X-ray source with ...
122
Quantum chemical calculations of X ray emission spectroscopy
... In comparison to calculations of NEXAFS spectra, there have been far fewer studies of XES. One approach to computing XES is ligand field multiplet theory (LFMT) and a review on the details of this method can be found ...
28
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 near-edge structure ...
5
Extended X-ray absorption fine structure study of Er bonding in AlNO:Erx films with x <= 3.6%
... Energy Dispersive X-ray (EDX) spectroscopy and by Rutherford Backscattering Spectrometry (RBS). The EDX analysis was performed by means of a Princeton Gamma-Tech (PGT) spectrometer mounted on a CM20 ...
21
X-ray spectroscopy of interstellar dust: from the laboratory to the Galaxy
... The fluorescent measurements of the samples were performed at the SOLEIL synchrotron facility in Paris using the LUCIA beamline (Flank et al., 2006). The first run was completed and published in Chapter 2, the second run ...
207