Studies of the Oxidation Mechanism of Yttrium Implanted Chromium Using XAFS and GAXRD P.N. Gibson, M.J. Cristóbal et M.F. Stroosnijder J. Phys. IV France, 7 C2 (1997) C2-1205-C2-1206 DOI: 10.1051/jp4:19972195