[Ifeffit] EXAFS above 5 angstroms

Shelly Kelly dr.sdkelly at gmail.com
Wed May 23 15:23:03 CDT 2018

Hi Daniel,

I use SnO2 in a tutorial. I can send the ppt to you directly, just send me
a email to shelly.kelly at honeywell.com.


On Mon, May 21, 2018, 4:14 PM Daniel Sneed <sneedd3 at unlv.nevada.edu> wrote:

> Hello,
> This is my first time posting to the mailing list, so please forgive me if
> I did not do it correctly.
> I am currently working on EXAFS of tin(IV) oxide, and I have what appears
> to be high quality data out to 9 angstroms or so, but I am having some
> issues in fitting the data above 4 angstroms. I am attempting to verify a
> crystal structure with a= ~6 angstroms, and another structure with a=~9
> angstroms. I know that there is some inhibiting physics at such long
> distances, such as inelastic scattering, and core-hole lifetime issues that
> can effect the data. My question for the group is, is there any methodical
> way to deal with these issues, other than incorporating Ei and the higher
> cumulants? Or is it even possible to get results from such large R?
> Thank you for your time.
> regards,
> Daniel Sneed
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