[Ifeffit] linear combination fitting

Jason Gaudet jason.r.gaudet at gmail.com
Wed Nov 6 17:03:53 CST 2013


Hi Qingyu,

Each Mo absorber contributes to the spectrum equally, so if you think you
have a good analysis that indicates x% of Mo scatterers are most similar to
Li2MoO3 and 100-x% are most similar to MoO3, those are simply atomic
percentages.  All you have to do is convert the atomic% to mass% using the
formula weight of your components.

-Jason


On Wed, Nov 6, 2013 at 2:57 PM, KONG Qingyu <
qingyu.kong at synchrotron-soleil.fr> wrote:

> Hello,
>
> We measured EXAFS of a mixed sample of Li2MoO3 and MO3, with Artemis we
> fitted the data with two FEFF calculations using the crystal structures of
> Li2MoO3 and MO3, the fitting results are quite good. We would like to know
> the weight of Li2MoO3 and MO3 in the sample, how can we get this value from
> Artemis?
>
> Thanks a lot in advance.
>
>
> Qingyu Kong
>
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