NEXAFS

AcronymDefinition
NEXAFSNear-Edge X-ray Absorption Fine Structure
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References in periodicals archive ?
Organic matter molecular structure of samples was measured by cross polarization magic angle spinning [sup.13]C nuclear magnetic resonance spectroscopy and NEXAFS. The NMR data were corrected for under-representation of aryl C following Skjemstad et al.
By these definitions, 2D-WAXS in transmission reveals bulk orientation states at any point of interest whereas FTIR-ATR and NEXAFS are probes of surface orientation, albeit with different degrees of depth resolution (FTIR-ATR: ~5 [micro]m; NEXAFS: ~2 nm).
NEXAFS (or XANES)--Near-Edge X-ray Absorption Fine Structure
Advantages of soft X-ray absorption over TEM-EELS for solid carbon studies-a comparative study on diesel soot with EELS and NEXAFS. Carbon, 43, pp.
The smaller near-edge x-ray absorption fine structure spectrometer (NEXAFS) is located between the other two spectrometers.
Techniques which have been transformed with the use of synchrotron radiation include: X-ray absorption spectroscopies such as Extended X-ray Absorption Fine Structure (EXAFS) and Near-edge X-ray Absorption Fine Structure (NEXAFS) of solids (crystalline or amorphous), liquids and solution, gases, surfaces, and interfaces; Photoelectron and Auger spectroscopy of gases, solids and surfaces; X-ray diffraction (XRD) of solids (powders, single crystals, non-crystalline materials) including small angle X-ray scattering (SAXS) from polymers, composites, and biological materials.
Singh B, Fang Y, Cowie BCC, Thomsen L (2014) NEXAFS and XPS characterisation of carbon functional groups of fresh and aged biochars.
Roy, P Papakonstantinou et al., "NEXAFS study and electrical properties of nitrogen-incorporated tetrahedral amorphous carbon films," Diamond and Related Materials, vol.
Lehmann J, Liang B, Solomon D, Lerotic M, Luizao F, Kinyangi J, Schafer T, Wirick S, Jacobsen C (2005) Near-edge X-ray absorption fine structure (NEXAFS) spectroscopy for mapping nano-scale distribution of organic carbon forms in soil: Application to black carbon particles.
Finally, the U7A station, which is also a joint effort, utilizes x-ray photoemission spectroscopy (XPS) and near-edge x-ray absorption fine structure (NEXAFS) to study the structure and chemical nature of diverse materials from a surface and bulk perspective either in vacuum or under atmospheric reaction conditions.
Experimental evidence from NEXAFS suggests that there is no spatial segregation in ultra-thin films into regions with different [T.sub.g] behaviors [26].