[Ifeffit] Warning "e0 is greater than 10"

Bruce Ravel bravel at bnl.gov
Tue Oct 14 13:41:25 CDT 2014

On 10/14/2014 02:14 PM, Ke Yuan wrote:
> Hello Feff community,
> I am practicing on using Artemis to fit a UO2 XAFS data I measured. The
> parameters I used can be found from the pic attached. The Artemis
> project file is also attached.
> I have been getting this "e0 greater than 10" warning on many of my
> fittings. Will picking a slightly different E0 change the result much?
> Any suggestions on how to improve this fitting?

Something seems funny about your data.  Shelly explains fitting UO2 very 
clearly in doi:10.1021/es0208409.  Your data does not look like her data.


> Thanks!
> Ke
> --
> Ke Yuan
> PhD Candidate
> Department of Earth and Environmental Sciences
> 1100 North University Ave
> 3021 C.C Little
> University of Michigan, Ann Arbor
> MI 48109-1005
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  Bruce Ravel  ------------------------------------ bravel at bnl.gov

  National Institute of Standards and Technology
  Synchrotron Science Group at NSLS --- Beamlines U7A, X24A, X23A2
  Building 535A
  Upton NY, 11973

  Homepage:    http://bruceravel.github.io/home/
  Software:    https://github.com/bruceravel
  Demeter:     http://bruceravel.github.io/demeter/

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