[Ifeffit] XAFS Analysis using Ifeffit

[Ke Yuan]

Thank you!

Best,
Ke

On Thu, Oct 16, 2014 at 11:01 AM, Latta, Drew E <drew-latta at uiowa.edu>
wrote:

>  Hi Ke,
>
>
>
> Unfortunately, it looks like your data is showing the classic symptoms of
> self-absorption . The white line for UO2 is fairly pronounced, and should
> look like the attached picture.
>
>
>
> Not sure on the setup at 12-BM-B, but next time ask if you could collect
> both fluorescence and transmission data at the same time. It can really
> save your behind.
>
>
>
> You can dilute in whatever low Z compound you’d like, I think things like
> SiO2 and boron nitride are common because of their low Z. Graphite might
> work also. Powder smears on tape are pretty common because you can
> fold/unfold to vary the amount of material in the beam. (though one can’t
> manipulate those at the beamline with a dispersible rad powder like UO2.)
>
>
>
> Best,
>
>
> Drew
>
>
>
> *From:* Ke Yuan [mailto:keyuan at umich.edu]
> *Sent:* Thursday, October 16, 2014 8:39 AM
> *To:* ifeffit at millenia.cars.aps.anl.gov; Latta, Drew E
> *Subject:* Re: XAFS Analysis using Ifeffit
>
>
>
> Sorry here is the picture!
>
>
>
> On Thu, Oct 16, 2014 at 9:37 AM, Ke Yuan <keyuan at umich.edu> wrote:
>
> Hello Drew,
>
>
>
> Thanks for your suggestions. I just checked my original data without
> normalization. The edge step is about 0.7 (see pic attached). I did the
> measurement in fluorescence mode at APS, beamline 12-BMB. What do you think
> about this pic?
>
>
>
> For the sample preparation, I think I need to mix UO2 with some other
> materials to dilute it. Do you have any suggestions on the matrix materials?
>
>
>
>
>
> Best,
>
> 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
>



-- 
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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