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Dear Frank,
Same as you. I have not a complete solution.
Best
Armel
envoyé : 6 septembre 2023 à 16:57
de : Frank Girgsdies <girgs...@fhi-berlin.mpg.de>
à : Le Bail Armel <le-bail.ar...@orange.fr>
Cc: Rietveld_L <Rietveld_L@ill.fr>
objet : Re: Step-like basline
Dear Armel,
Thanks for this nice quiz!
However, after identifying the following spectral impurities:
Cu K_beta,
W L_alpha1,2
W L_beta1,2,3,4 and
W L_gamma1,
I am stuck now, leaving bout 1/2 to 1/3 of the tiny extra peaks
unexplained.
Some of them look suspiciously like Cu K_alpha1+2 doublets and might
thus belong to an impurity phase, or differently oriented crystallites
of the main phase, which could lie as dust on the single crystal
surface, but I had no luck trying to identify them.
Furthermore, the irregular high angle tailing of the 00l series (maybe
stacking faults?) makes peak fitting difficult.
Thus, I give up (at least for now), hoping that you might disclose the
solution to the riddle, as far as it is known, for us after a while.
Best wishes,
Frank
On 06.09.2023 10:47, Le Bail Armel wrote: Hi,
In the same subject.
A special "powder pattern" to play with (try to explain all peaks) :
http://cristal.org/muscovite.pdf <http://cristal.org/muscovite.pdf>
Best
Armel
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