[Ifeffit] XANES

Scott Calvin SCalvin at slc.edu
Thu Mar 12 13:14:54 CDT 2009


Hi Aimee,

There is a way to make Athena do this:

--Enter -7709 eV in the "E shift" box.

--Change the plotting range to be -7800 to -7600 eV (or whatever range  
you want to use).

--Scott Calvin
Sarah Lawrence College

On Mar 12, 2009, at 12:31 PM, Barton, David (DG) wrote:

> Bruce,
>
> I believe what Aimee wants to see is E-Eo (eV) plotted on the x-axis
> instead of E (eV) in the Athena plot window.  I don't think you have  
> the
> option anywhere in Athena to plot the data like this.
>
> Aimee,
>
> Athena does let you easily export the data as an x-y dataset that can
> you put into your favorite plotting software and do the simple
> subtraction that you desire to plot.
>
> Dave
>
> -----Original Message-----
> From: ifeffit-bounces at millenia.cars.aps.anl.gov
> [mailto:ifeffit-bounces at millenia.cars.aps.anl.gov] On Behalf Of Bruce
> Ravel
> Sent: Thursday, March 12, 2009 9:11 AM
> To: XAFS Analysis using Ifeffit
> Subject: Re: [Ifeffit] XANES
>
> On Thursday 12 March 2009 08:24:44 am Aimee Morey wrote:
>> I have collected full XANES and EXAFS spectra.  I have imported the
> full
>> spectrum into Athena.  I am now trying to analyze using XANES, but I
> am
>> have trouble figuring out how to set an absolute energy, i.e. 7709 eV
> = 0
>> eV or such, and have the energy scaled negatively and positively.  It
> is
>> probably super simple, can anyone please help?
>



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