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![[Figure 2]](hf5201fig2mag.jpg)
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Figure 2
k3-weighted FT of (a) the Ti K-edge for NiAl-Ti, (b) the Cr K-edge for NiAl-Cr and (c) the Co K-edge for NiAl-Co. The radial structural functions (RSFs) of NiAl-Ti and NiAl-Cr are quite different from the RSF of NiAl-Co. For NiAl-Co the k3-weighted FT of the EXAFS function exhibits an almost resolved doublet, while for NiAl-Ti and NiAl-Cr it is no longer a doublet. This indicates that they have a different site preference. Based on the hypothesis by Chartier et al. (1994  ) and Balasubramanian et al. (1995), it can be concluded that Ti and Cr prefer to reside in the Al site while Co prefers to reside in the Ni site. |
![[Figure 2]](hf5201fig2.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
