Figure 2
(a) Normalized kχ(k) EXAFS spectrum of [d,l] cystine recorded at the sulfur K-edge. The dotted line at 12 Å−1 refers to the typical cut-off of earlier data at the sulfur K-edge. (b) FT-EXAFS spectrum of [d,l] cystine corrected for the phase shifts and backscattering amplitude of the S1⋯C1γ pair. |