1. Univ Lyon, UJM-Saint-Etienne,
CNRS, IOGS, Laboratoire Hubert Curien UMR5516, F-42023 St-Etienne, France
2. Department
of Materials Science and Engineering, University of Virginia, 395 McCormik
Road, Charlottesville, Virginia 22904-4745, United States
3. Univ Lyon,
INSA
Lyon, CNRS, MATEIS, UMR 5510, F-69621 Villeurbanne, France
4. Ecole Nationale
Supérieure des Mines de Saint-Etienne, Laboratoire Georges
Friedel, CNRS, UMR5307, 42023 St-Etienne, France