Figure 4: X-ray absorption analysis.

(a) XANES and (b) FT-EXAFS spectra of Au-L3 edge in a Au film and a Au–Pd6CoCu/C nanoparticle. EXAFS, extended X-ray absorption fine structure; XANES, X-ray absorption near-edge structure.
(a) XANES and (b) FT-EXAFS spectra of Au-L3 edge in a Au film and a Au–Pd6CoCu/C nanoparticle. EXAFS, extended X-ray absorption fine structure; XANES, X-ray absorption near-edge structure.