On Thu, Nov 1, 2018 at 11:37 PM <ifeffit-request@millenia.cars.aps.anl.gov> 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)

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Message: 1
Date: Thu, 1 Nov 2018 17:47:56 -0400
From: Anatoly Frenkel <anatoly.frenkel@stonybrook.edu>
To: XAFS Analysis using Ifeffit <ifeffit@millenia.cars.aps.anl.gov>
Subject: Re: [Ifeffit] Bump/oscillating pattern at high energies of
EXAFS
Message-ID:
<CAFsMoZbm2RMVUeRmuoryw9ehVrZQcvx60zHqufmK39oLRoyZ2w@mail.gmail.com>
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 <rajrk37@gmail.com> 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
> _______________________________________________
> Ifeffit mailing list
> Ifeffit@millenia.cars.aps.anl.gov
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Message: 2
Date: Thu, 1 Nov 2018 14:55:12 -0700
From: Matthew Marcus <mamarcus@lbl.gov>
To: ifeffit@millenia.cars.aps.anl.gov
Subject: Re: [Ifeffit] Bump/oscillating pattern at high energies of
EXAFS
Message-ID: <f870a845-0357-a1ad-263d-2f1b62b477ef@lbl.gov>
Content-Type: text/plain; charset=utf-8; format=flowed

Agreed. The low frequency and high amplitude at the end is implausible as EXAFS.

Sincerely,
Matthew Marcus
> 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 <rajrk37@gmail.com <mailto:rajrk37@gmail.com>> 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
> _______________________________________________
> Ifeffit mailing list
> Ifeffit@millenia.cars.aps.anl.gov <mailto:Ifeffit@millenia.cars.aps.anl.gov>
> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
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>
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Message: 3
Date: Thu, 1 Nov 2018 18:27:00 -0400
From: Anatoly Frenkel <anatoly.frenkel@stonybrook.edu>
To: ifeffit@millenia.cars.aps.anl.gov
Subject: [Ifeffit] EXAFS of wine
Message-ID: <89961ADD-53B5-4682-BCDE-2A447FB6A278@stonybrook.edu>
Content-Type: text/plain; charset="us-ascii"

I thought this mailing list is an appropriate venue to post a picture of the bottle of wine I bought yesterday in a store on Long Island.

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Anatoly

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