THE EFFECT OF GAS ENVIRONMENT (H2, O2) ON THE STRUCTURAL PROPERTIES OF SMALL IRIDIUM METAL PARTICLES SUPPORTED ON γ-Al2O3 AS DETERMINED BY EXAFS D. C. KONINGSBERGER, F. B.M. DUIVENVOORDEN, B. J. KIP et D. E. SAYERSJ. Phys. Colloques, 47 C8 (1986) C8-255-C8-259DOI: https://doi.org/10.1051/jphyscol:1986847