XAFS study of the local structure of (Yb0.03Sc0.97−
Feb 15, 2014 · The X-ray absorption fine structure (XAFS) spectroscopy was used to probe the local structure around Yb. The results show that the trivalent Yb ions are positioned at sites in …
XAFS characterization of the structural site of Yb in synthetic …
We present an X-ray absorption near-edge structure study performed at the Yb LI- and LIII-edges on synthetic pyrope (Mg3Al2Si3O12) and grossular (Ca3Al2Si3O12) garnets containing about …
Fabrication and XAFS analysis of Yb - ScienceDirect
Dec 1, 2013 · The local fine structure around Yb ions was investigated by using the XAFS (X-ray absorption fine structure) technique. The results showed that: the local structure around Yb …
a, b L I-edge and L III-edge Yb XANES spectra of Yb-Py, YbGr and Yb …
We present an X-ray absorption near-edge structure study performed at the Yb LI- and LIII-edges on synthetic pyrope (Mg3Al2Si3O12) and grossular (Ca3Al2Si3O12) garnets containing about …
XAFS study of the structure of the silica-supported ytterbium …
Jun 16, 1999 · The structure of the silica-supported ytterbium oxide catalyst (1.7, 3.4, 8.4 mmol Yb g (SiO 2) − 1) was characterized by X-ray diffraction and Yb–L III -edge XAFS. XANES and …
The simplest XAFS experiments are done in transmission mode. Polychromatic x-rays are produced yb a synchrotron radiation source or yb bremsstrahlung from a conevtionaln …
XAFS characterization of the structural site of Yb in synthetic …
The incorporation and site preference of minor amounts (about 1 wt%) of Yb 3+ in synthetic pyrope (Mg 3 Al 2 Si 3 O 12) and grossular (Ca 3 Al 2 Si 3 O 12) garnet were studied by X-ray …
XAFS study on the trace amounts of ytterbium ions incorporated …
Jan 1, 2005 · We measured XAFS spectra of trace amount of ytterbium (Yb) incorporated in calcite, a stable phase of calcium carbonate. Calcium carbonate was precipitated from a mixed …
XAFS characterization of the structural site of Yb in synthetic …
Dec 13, 1999 · We present an X-ray absorption near-edge structure study performed at the Yb LI- and LIII-edges on synthetic pyrope (Mg3Al2Si3O12) and grossular (Ca3Al2Si3O12) garnets …
XAFS characterization of the structural site of Yb in synthetic …
Τhe XAFS results indicate that, (1) structural relaxation occurs around Yb3+ in the garnet structure; (2) the host garnet matrix exerts a major structural control on the incorporation of …
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