De : kaziz sameh <kaziz_sa...@yahoo.fr>
À : "ifeffit@millenia.cars.aps.anl.gov" <ifeffit@millenia.cars.aps.anl.gov>
Envoyé le : Jeudi 27 novembre 2014 10h13
Objet : [Ifeffit] Fit a mixture
Dear All,I look for advice or document that can help me to fit the FT EXAFS
data of Pd2Au36(SR)24.The situation is as follows:In the sample there is 3
sites of the Pd ( in staples, in surface or in the core). the spectrum that I
have presents a first bond of Pd_S and second bond of Pd_Au, so the palladium
should be in the staples or in the surface because in core we cannot see Pd-S,
but other results of the same sample confirm that the palladium is in core.I
concluded that there is a mixture of some nano (x ) with Pd in staple and
another nano(y) with Pd in core such y>x.Note that I fit the data with
Pd2Au36(SR)24 structure in which I put the 2 palladium in the staple and I have
got a good fit (attached) but I think that is not logical.If you can help me
with an idea how to fit this mixture, I would be very grateful.Kaziz.
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