DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
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As-O<br />
As K-edge EXAFS (BM8-ESRF)<br />
Intensité Normalisée<br />
| FT(k 2 χ(k)) |<br />
0.02<br />
0.01<br />
0<br />
2<br />
1.5<br />
1<br />
0.5<br />
0.026<br />
0.02<br />
0.014<br />
11860 11880 11900 11920 11940<br />
11800 12000 12200 12400 12600 12800<br />
Energie (eV)<br />
energy<br />
Radial distribution<br />
0<br />
0 1 2 3 4 5<br />
R(Å)<br />
R(Å)<br />
χ(k)<br />
0.08<br />
0.04<br />
0<br />
-0.04<br />
-0.08<br />
EXAFS<br />
-0.12<br />
2 4 6 8 10 12 14<br />
k(Å -1 ) k(Å-1 )<br />
absence of 2 cd shell !<br />
Various As sites,<br />
needs of spatial<br />
selectivity<br />
résiduel<br />
21/50
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