Re: [Ifeffit] Multi-electron peak in Yb

Hi Matthew, Attached is a file of Yb L3 edge on something that was labeled "Yb AC" and measured in fluorescence many years ago, almost certainly in solution. I suspect that "AC" means "acetate". This is a plain ASCII file (not XDI!). The data quality is not great. Does this have the feature

Re: [Ifeffit] Multi-electron peak in Yb

The samples this guy is interested in are synthetic. No Cu visible. Cu XANES tends not to have huge white lines, which is what would be required for the contamination to show as a peak with no detectable edge jump. Also, the peak is nowhere near the Cu K-edge. For similar reasons, it's not

Re: [Ifeffit] Multi-electron peak in Yb

Hi Matthew, On Thu, Aug 4, 2016 at 2:24 PM, Matthew Marcus wrote: > Does anyone know of data on multi-electron peaks at the Yb L3 edge? One > of the users here was just running Yb and finds on every spectrum a bump at > the same > energy. It's not a Bragg glitch from the

Re: [Ifeffit] Questions about fitting of EXAFS

Thank you all for the answers. The Kmax effect on the shape of magnitude of FTs of one of my samples may come from the low signal/noise ratio. I still not sure if there's any physical meaning of DeltaE0, Does it relate to the shift of absorption edge? Fuxiang On Thu, Aug 4, 2016 at 1:35 PM,

Re: [Ifeffit] Questions about fitting of EXAFS

I’ll add to Bruce’s comment that if the choice of kmax has a great effect on the parameters found by the fit, that’s an indication of a problem! Good fits should be stable to modest changes in kmax (e.g., an inverse angstrom or two one way or another). The statistics may suggest one kmax or

Re: [Ifeffit] Questions about fitting of EXAFS

On 08/03/2016 05:36 PM, Fuxiang Zhang wrote: Hi, Everyone, I have several detailed questions about EXAFS processing and fitting 1. Are there any physical meaning for DeltaE0 in the paths, why it should be less than 10eV This paper is a good explanation of why Delta E0 should be reasonably