[Ifeffit] Large Amplitude Values
Gavin Garside
gavin_garside at yahoo.com
Fri Jul 30 21:47:55 CDT 2010
Fellow X-Ray Absorption Enthusiasts,
I have recently compiled a model that gives excellent visual fits in R, q, and k
space for bond spacing in a BCC structure. This model gives bond spacings that
make sense, and are very close to what would be expected from this set. The R
factors are very low, and the enot values correspond quite well to the edge.
However, our amplitude values are much larger than typically expected. They
come in at the range of 1.8 up to 5.0, but only on a few data sets. On all the
rest the amplitude values are 0.4 to 1.0. Could this increase in amplitude be
attributed to the fact that we ran florescence measurements instead of
transmission, and have a weaker signal coming to the detector? What else could
be causing this in only one data set? All samples used in this model have the
same structure. Thanks in advance to any replies, your help and time is
appreciated.
Gavin
gavin_garside at yahoo.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://millenia.cars.aps.anl.gov/pipermail/ifeffit/attachments/20100730/de5fe5c1/attachment.html>
More information about the Ifeffit
mailing list