[1] CEA UJF, INAC LCIB, Lab Reconnaissance Ion & Chim Coordinat, UMRE 3, F-38054 Grenoble 9, France
[2] Univ Paris 06, Lab Phys Theor Mat Condensee, UMR7600, F-75252 Paris 05, France
[3] Ecole Natl Super Chim Paris, Lab Electrochim & Chim Anal, CNRS, UMR 7575, F-75231 Paris 05, France