2 papers
cond-mat.mtrl-sci2007
Structural relaxation around substitutional Cr3+ in pyrope garnet
Amélie Juhin, Georges Calas, Delphine Cabaret +2
The structural environment of substitutional Cr3+ ion in a natural pyrope Mg3Al2Si3O12 has been investigated by Cr K-edge Extended X-ray Absorption Fine Structure (EXAFS) and X-ray…
cond-mat.mtrl-sci2007
XANES determination of chromium oxidation states in glasses: comparison with optical absorption spectroscopy
Olivier Villain, Georges Calas, Laurence Galoisy +2
The oxidation state of chromium in glasses melted in an air atmosphere with and without refining agents was investigated by Cr K-edge X-ray Absorption Near-Edge Structure (XANES) a…