Thanks for your answers. So in this case, i understood, I shouldn't use the extended XAFS region for the analysis. In the other hand, is it allowed to cut the region till 9150 eV and use the data for the XANES analysis?
On Thu, Nov 1, 2018 at 11:37 PM wrote:
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Today's Topics:
1. Re: Bump/oscillating pattern at high energies of EXAFS
(Anatoly Frenkel)
2. Re: Bump/oscillating pattern at high energies of EXAFS
(Matthew Marcus)
3. EXAFS of wine (Anatoly Frenkel)
----------------------------------------------------------------------
Message: 1
Date: Thu, 1 Nov 2018 17:47:56 -0400
From: Anatoly Frenkel
To: XAFS Analysis using Ifeffit
Subject: Re: [Ifeffit] Bump/oscillating pattern at high energies of
EXAFS
Message-ID:
Content-Type: text/plain; charset="utf-8"
It is an effect of inhomogeneity of the sample, that is, the variation in
the metal density throughout the X-ray beam footprint.
Anatoly
On Thu, Nov 1, 2018 at 5:34 PM Raj kumar wrote:
Dear All,
I have monitored the growth process of YbVO4 nanoparticles using EXAFS.
Here, nanoparticles were synthesized in water medium. Both initial and
final products (EXAFS) of the synthesis were measured using the continuous
flow approach whereas the intermediate products were recorded, in the glass
capillary, using the stopped flow. In the attached figure, you can find the
same (all products). At high energies of EXAFS, both initial and final
measurements show smooth behavior whereas the oscillating pattern/bump was
observed for the intermediate states.
Here, my question is: Is the oscillating pattern appearing in the
intermediate states due to the sedimentation/in-homogeneity of the product
in the capillary or it is the characteristic of the synthesis?
With regards,
Raj
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Anatoly Frenkel
Raj kumar