[Ifeffit] question about Eo and simultaneous fitting

[tony vitova]

Hi,

first I would like to thank all experienced  people answering in this forum!! I have learned really a lot from you. 

And now my question:
Should I fit EXAFS spectra of a doped material and the same material, but oxidized and reduced (three spectra) simultaneously? In my opinion: yes, as I am looking for small differences. Is varying one Eo for the three samples the right approach? 
I am also wondering, should I vary one Eo for samples with different doping concentrations?

Thank you for any hint!

Tony


 
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