RE: [Ifeffit] CN and bond distances in Artemis

2006-12-04 Thread Anatoly Frenkel
If you mean that your S02 value for platinum foil is 0.53 instead of the expected 0.85 or so, you have to first find out why that happened. There are too many (for a quick list) setup-related and sample-related reasons that can explain why it happened. You should be careful with your NP data

Re: [Ifeffit] CN and bond distances in Artemis

2006-12-04 Thread Scott Calvin
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

Re: [Ifeffit] CN and bond distances in Artemis

2006-12-04 Thread Matthew
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: