[Ifeffit] EXAFS on multi phase systems

2011-05-05 Thread Jatinkumar Rana
, Jatinkumar Rana Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Institut für angewandte Materialforschung FI-1 Mikrostruktur Hahn-Meitner-Platz 1 D-14109 Berlin Germany Tel: +49 30 8062-43217 Fax: +49 30 8062-43059 eMail: jatinkumar.r...@helmholtz-berlin.de

[Ifeffit] Problem with running FEFF in Artemis

2011-04-15 Thread Jatinkumar Rana
have never come across such a problem. Can anyone help me to comeout of this problem ? I have attached the Artemis project file with this mail for further detail. With best regards, Jatin Rana Berlin -- Jatinkumar Rana Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Institut für

Re: [Ifeffit] Problem with running FEFF in Artemis

2011-04-15 Thread Jatinkumar Rana
, Jatin Rana Berlin -- Jatinkumar Rana Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Institut für angewandte Materialforschung FI-1 Mikrostruktur Hahn-Meitner-Platz 1 D-14109 Berlin Germany Tel: +49 30 8062-43217 Fax: +49 30 8062-43059 eMail: jatinkumar.r...@helmholtz-berlin.de

Re: [Ifeffit] Ifeffit Digest, Vol 93, Issue 16

2010-11-22 Thread Jatinkumar Rana
... Today's Topics: 1. Re: Transmission EXAFS sample (Jatinkumar Rana) 2. Re: Transmission EXAFS sample (Scott Calvin) -- Message: 1 Date: Sun, 21 Nov 2010 11:44:25 +0100 From: Jatinkumar Ranajatinkumar.r...@helmholtz

Re: [Ifeffit] Transmission EXAFS sample

2010-11-22 Thread Jatinkumar Rana
... Today's Topics: 1. Re: Transmission EXAFS sample (Jatinkumar Rana) 2. Re: Transmission EXAFS sample (Scott Calvin) -- Message: 1 Date: Sun, 21 Nov 2010 11:44:25 +0100 From: Jatinkumar Ranajatinkumar.r...@helmholtz

Re: [Ifeffit] Transmission EXAFS sample

2010-11-21 Thread Jatinkumar Rana
uniform layers of tape ?? With best regards, Jatin -- Jatinkumar Rana Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Institut für angewandte Materialforschung FI-1 Mikrostruktur Hahn-Meitner-Platz 1 D-14109 Berlin Germany Tel: +49 30 8062-43217 Fax: +49 30 8062-43059 eMail: jatinkumar.r

Re: [Ifeffit] schemes for delr and sigma2 for multiple scattering paths

2010-10-09 Thread Jatinkumar Rana
, Jatinkumar Rana wrote: Dear all, It is reasonable to assign a constant fraction by which unit cell expands at a given temperature of XAFS measuremnt and so the variation in the path lengths for every single scattering paths could be assigned as delr = alpha * Reff. Similarly, one can

[Ifeffit] schemes for delr and sigma2 for multiple scattering paths

2010-10-07 Thread Jatinkumar Rana
Dear all, It is reasonable to assign a constant fraction by which unit cell expands at a given temperature of XAFS measuremnt and so the variation in the path lengths for every single scattering paths could be assigned as delr = alpha * Reff. Similarly, one can assign sigma2 value for each

[Ifeffit] incorporating feff 8 into Artemis

2010-08-17 Thread Jatinkumar Rana
Dear All, Recently, I have decided to upgrade to Feff8.20. We have got Feff820a.exe file. I would like to know if there is any specific procedure to replace older Feff6 with this Feff820a.exe in artemis ? Thank you very much in advance !!! Best regards, Rana

Re: [Ifeffit] Case of nonequivalent multiple atomic sites of absorbing atoms

2010-07-29 Thread Jatinkumar Rana
. --Scott Calvin Sarah Lawrence College On Jul 28, 2010, at 4:00 AM, Jatinkumar Rana wrote: Dear Users, Since long, i was trying to understand the physical meaning of term Delta E0 and S02 in EXAFS equation. I have little bit of idea about both of them. for example, S02 is element specific

Re: [Ifeffit] Ifeffit Digest, Vol 89, Issue 17

2010-07-28 Thread Jatinkumar Rana
of fitting such samples, but if you start from different points, and during fitting you will minimize no. of variables with the same result (with the same fit) should be ok. good luck darek -Wiadomo?? oryginalna- Od: ifeffit-boun...@millenia.cars.aps.anl.gov w imieniu Jatinkumar Rana Wys

[Ifeffit] Case of nonequivalent multiple atomic sites of absorbing atoms

2010-07-28 Thread Jatinkumar Rana
Dear Users, Since long, i was trying to understand the physical meaning of term Delta E0 and S02 in EXAFS equation. I have little bit of idea about both of them. for example, S02 is element specific and it is transferable between samples (if we consider same absorbing atom). However, I am

Re: [Ifeffit] Ifeffit Digest, Vol 88, Issue 12

2010-06-16 Thread Jatinkumar Rana
digest... Today's Topics: 1. XAFS fitting with multiple atomic sites of absorbing atom (Jatinkumar Rana) 2. ODP: XAFS fitting with multiple atomic sites of absorbing atom (Zajac, Dariusz A.) -- Message: 1 Date

[Ifeffit] XAFS fitting with multiple atomic sites of absorbing atom

2010-06-14 Thread Jatinkumar Rana
Dear users, I have measured XAFS spectra on Mn and Fe edge on my material. The material contains 3 different atomic positions for Mn and 4 different atomic positions for Fe. Initially, I tried fitting Fe-edge/Mn-edge spectra using indiviual Fe/Mn atomic position one-by-one (i.e. first take

[Ifeffit] EXAFS related querry

2010-04-16 Thread Jatinkumar Rana
Dear Bruce, I am trying to fit EXAFS data for Arrojadite (a naturally occuring phosphate mineral) measured on Fe-edge. When i load crystallogrphic file in to FEFF, i get Degeneracy (N) for all path as 1 or 2. I know from the crystal structure of Arrojadite that it is not true. Kindly help

[Ifeffit] EXAFS related querry

2010-04-15 Thread Jatinkumar Rana
Dear Bruce, I am trying to fit EXAFS data for Arrojadite (a naturally occuring phosphate mineral) measured on Fe-edge. When i load crystallogrphic file in to FEFF, i get Degeneracy (N) for all path as 1 or 2. I know from the crystal structure of Arrojadite that it is not true. Kindly help me