[Ifeffit] (no subject)

[Richard Mayes]

Here's the Penner-Hahn webpage, there is Zn info here, plus contact info and
publication lists:  http://www.umich.edu/~jphgroup/

-Richard






2010/1/19 JeongEunSuk <eunsuk1986 at hotmail.com>

>  Thank Anatoly.
> Do you know J.penner-Hahn's e-mail or exact reference name?
> I cant find his paper in search site.
>
> ------------------------------
> Date: Tue, 19 Jan 2010 20:06:59 -0500
> From: frenkel at bnl.gov
> To: ifeffit at millenia.cars.aps.anl.gov
> Subject: Re: [Ifeffit] (no subject)
>
>  There was a paper by J. Penner-Hahn et al. studying ZnCl2 by EXAFS and
> using it to demonstrate the quadrupole (1s-3d) transition by analyzing
> angular dependence of pre-edge features of Zn K-edge. You may contact him
> directly for exact reference.
>
> Anatoly
>
>  ------------------------------
> *From:* ifeffit-bounces at millenia.cars.aps.anl.gov on behalf of JeongEunSuk
> *Sent:* Tue 1/19/2010 8:01 PM
> *To:* ifeffit at millenia.cars.aps.anl.gov
> *Subject:* [Ifeffit] (no subject)
>
> Hi all
> I have a question for XANES of Zinc compounds.
> It is known that the pre-edge for Zinc k-edge generally doesnt exist
> because 3d state of Zinc atom is occupied.
> However, I got it from ZnMgO with wurtzite structure. 4 oxygen in first
> shell and 12 zinc in second shell are located around Absorbing atom, Zinc in
> wurtzite structure.
> And then I know that some Mg atoms are replaced on zinc site from EXAFS.
> I wonder the reason for the appearence of pre-edge. Is it structural
> problem? or substituted Mg?
> If anybody know reference papers for pre-edge of zinc K-edge, Please answer
> me.
>
>
> ------------------------------
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>
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