Re: [Ifeffit] MBACK and Athena

2013-03-08 Thread Christopher Patridge
Cyril, Is the copper foil a separate file or is this file imported together with the other scans as a reference channel? If separate files, then there is not a clear relationship between sample and the foil since these were collected at different times and hence corrections for drift or

[Ifeffit] Shifted data in Athena

2013-03-08 Thread George Sterbinsky
Hello, I have attached an (D)Athena project with containing two groups, imported as a primary data set and a reference. The groups were therefore imported on the same energy grid. However, when plotted, the energy values of the data points for the two groups are clearly shifted with respect to

Re: [Ifeffit] Shifted data in Athena

2013-03-08 Thread Anatoly I Frenkel
Maybe the shift is real due to chemical shift of the sample relative to reference material? Sent from my mobile phone, please forgive typos - Reply message - From: George Sterbinsky georgesterbin...@u.northwestern.edu To: XAFS Analysis using Ifeffit ifeffit@millenia.cars.aps.anl.gov