[Ifeffit] Low amp results

Joji Kuniya thinkpadt60 at silk.ocn.ne.jp
Mon May 28 05:51:01 CDT 2007


I analyzed EXAFS spectra of trace of Fe in lithium tantalate crystals. At 
first, I created the feff.inp file of LiTaO3. Then I changed central Li atom 
to Fe atom and added Fe atom at the Ta site. So that, the fitted results is 
good except amp(amp results is 0.3). I think that the model structure is 
good, but I can not understand why amp is too low. How do you think about 
this results? And, I tried to fitting treatment using GDS parameters. But, I 
do not know that the general method how to use the GDS parameters. Please 
tell me the general way of GDS manipulation. My PC runs under Win XP, and My 
Artemis runs under feff8 conditions. Thank you.
Joji Kuniya 
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