Re: [Ifeffit] Basic question in normalization and background removal

2013-02-08 Thread Bajamundi Cyril
lysis using Ifeffit Subject: Re: [Ifeffit] Basic question in normalization and background removal On Friday, February 08, 2013 01:22:14 PM Bajamundi Cyril wrote: > My first naïve approach to the approximation of the normalization > range is to choose a range such that the post-edge line

Re: [Ifeffit] Basic question in normalization and background removal

2013-02-08 Thread Bruce Ravel
On Friday, February 08, 2013 01:22:14 PM Bajamundi Cyril wrote: > My first naïve approach to the approximation of the normalization range is > to choose a range such that the post-edge line is parallel with pre-edge > line, this in my novice eyes this seems to be the case between these line > two

Re: [Ifeffit] Basic question in normalization and background removal

2013-02-08 Thread Bajamundi Cyril
ps.anl.gov] On Behalf Of Ravel, Bruce Sent: Friday, February 08, 2013 2:17 PM To: XAFS Analysis using Ifeffit Subject: Re: [Ifeffit] Basic question in normalization and background removal Cyril, My favorite answer is "don't measure data that way". At the very least, add a few widely

Re: [Ifeffit] Basic question in normalization and background removal

2013-02-08 Thread Ravel, Bruce
y 08, 2013 2:28 AM To: ifeffit@millenia.cars.aps.anl.gov Subject: [Ifeffit] Basic question in normalization and background removal Hello, I have here a very basic XANES data processing. I am but a novice in this XANES analysis. In Bruce’s lecture “Athena: Data processing I” posted in the Diam

Re: [Ifeffit] Basic question in normalization and background removal

2013-02-07 Thread Dr. Dariusz A. Zając
Dear Cyril, I think you should read about normalization of XANES (NEXAFS) spectra at soft X-rays. It is a common problem of normalization with the short post-edge region. There are few tricks. I think you can find answer in already published articles (as an example)

[Ifeffit] Basic question in normalization and background removal

2013-02-07 Thread Bajamundi Cyril
Hello, I have here a very basic XANES data processing. I am but a novice in this XANES analysis. In Bruce's lecture "Athena: Data processing I" posted in the Diamond Light Source website, he used the Fe_lepidocrocite.000 example to show how background removal and normalization is done. For