[Wien] How to recognize that which peak of EELS comes from which adsobant ?

Naseem Hassan raheskoon at gmail.com
Thu May 21 04:33:38 CEST 2015


Dear Prof. Gavin Abo and Prof. Laurence Marks

Thanks for the input. As we know, EELS can be obtained from wien2k in
OPTICAL Property section. There should be some kind of origin for Energy
loss peaks. I will go though Prof Gavin Abo's provided links.

Many Thanks
Naseem Hassan

On Thu, May 21, 2015 at 4:33 AM, Laurence Marks <L-marks at northwestern.edu>
wrote:

> Good try Gavin, but from the sounds of it he is doing SREELS (surface
> reflection EELS).
>
> This is really the wrong place for this type of question, I suggest the
> Surface Science list at http://goliath.emt.inrs.ca/surfsci/listserver.html
>
> On Wed, May 20, 2015 at 2:25 PM, Gavin Abo <gsabo at crimson.ua.edu> wrote:
>
>> For experimental EELS data, I think there are software programs out
>> there for that:
>>
>> EELSTools [ http://www.dmscripting.com/eelstools.html ]
>> EELSModel [ http://www.eelsmodel.ua.ac.be/ ]
>>
>> However, I don't know if you can import WIEN2k EELS data into them, and
>> I'm not aware of any software for theoretical EELS data.
>>
>> So you might have to do the edge identification by hand.  There is a
>> book titled "Analytical Electron Microscopy for Materials Science" by
>> Daisuke Shindo and Tetsuo Oikawa, which you should be able to find on
>> the Springer website at
>>
>> http://link.springer.com/book/10.1007/978-4-431-66988-3
>>
>> In the Front Matter pdf, there is a "Table of Electron Binding Energies
>> (eV) for Electron Energy-Loss Spectra (EELS)", and it says, "This table
>> can be used to identify edges in energy-loss spectra".
>>
>> On 5/20/2015 2:06 AM, Naseem Hassan wrote:
>> > Dear all.
>> >
>> > I have obtained electron energy loss spectrum for different adsobants
>> > on the surface for varying concentration. How to recognize that which
>> > peak of EELS comes from which adsobant ? How can one determine the
>> > types of atoms, and the numbers of atoms of each type, being struck by
>> > the beam ?
>> >
>> > Many Thanks
>> > Naseem Hassan
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>
>
>
> --
> Professor Laurence Marks
> Department of Materials Science and Engineering
> Northwestern University
> www.numis.northwestern.edu
> Corrosion in 4D: MURI4D.numis.northwestern.edu
> Co-Editor, Acta Cryst A
> "Research is to see what everybody else has seen, and to think what nobody
> else has thought"
> Albert Szent-Gyorgi
>
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