Another possibility is that the L-edges of In and Sb are giving
considerable energy-dependence to
the beam in the EXAFS region...any non-linearity between detectors will
make extraction of the EXAFS
problematic. Looking at CAMD's XAS beamline mono specs
http://www.camd.lsu.edu/beamline_info/DCM_beamline_2008.pdf
Si111, Si220 and Ge220 will all cover the Ca K-edge range.
-R.
On 5/11/2015 3:46 PM, Matthew Marcus wrote:
I found Ca EXAFS files on my data directory which go out to 600eV
above the edge, done using Si111.
What's the symptom of the failure with InSb? Could harmonics be the
problem? If there's something
mechanical going on with the mono such that you go through the max of
the rocking curve, then as
you go through that max, you get more harmonics, which cause
normalization failure.
mam
On 5/11/2015 11:06 AM, Lisa Bovenkamp wrote:
Hello.
No, the resolution is fine. I can do XANES fine with InSb111. We use
those for years.
Just had problems with EXAFS because for this long range the flux has
to be more stable
from the crystals.
Lisa
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