Did you check your data against someone else's? Maybe you have hole effect or overabsorption. mam ----- Original Message ----- From: "Scott Calvin" <[EMAIL PROTECTED]> To: "XAFS Analysis using Ifeffit" <ifeffit@millenia.cars.aps.anl.gov> Sent: Monday, December 04, 2006 11:42 AM Subject: Re: [Ifeffit] CN and bond distances in Artemis
> Hi Juan, > > You're saying you have that low a value of S02 > for a bulk platinum standard? Anatoly's > right...you'd better figure out why before you > continue. But one piece of advice I have: for a > simple crystalline standard like platinum, by all > means fit more than one coordination shell (with > coordination numbers constrained)! That will be > very helpful in diagnosing what is going on, and, > for certain cases, might even solve the problem. > > Which brings up the first important question to > ask...what is the uncertainty on the S02 of 0.53? > > --Scott Calvin > Sarah Lawrence College > > At 02:03 PM 12/4/2006, you wrote: > > >Hi all, > > > >I read your papers Anatoly. You fixed the value of S02 found in the Pt > >metal, and the expression in Artemis would be like this: N:1 x S02: > >amp·N, right?? > >I have a low value of S02 in the case of platinum (0.53), how can I > >solve the problem? > >Bond distances = delR + Reff (with phase correction)? > > > _______________________________________________ > Ifeffit mailing list > Ifeffit@millenia.cars.aps.anl.gov > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > _______________________________________________ Ifeffit mailing list Ifeffit@millenia.cars.aps.anl.gov http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit