[1] Univ Rouen, GPM, UMR CNRS 6634, St Etienne De Rouvray, France
[2] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany
[3] CNRS, LAAS, F-31400 Toulouse, France
[4] Univ Toulouse, LAAS, F-31400 Toulouse, France
[5] LPCNO INSA, Toulouse, France
[6] Univ Toulouse, UPS, INPT, LCC, Toulouse, France
[7] Aix Marseille Univ, IM2NP Case 142, Fac St Jerome, F-13397 Marseille 20, France
[8] CNRS, IM2NP UMR 7334, F-13397 Marseille 20, France