[Wien] about the near edge x-ray absorption spectrum

[Yushan Wang]

hi, it is who you understand me, if you'd like, please read the paper"
applied physics letter, Vol. 83, No. 20, P4143" to see how stupid a
professor is. thanks for your reply.


yushan

On Fri, 30 Jul 2004, Philippe Moreau wrote:

> hi, the band gap mentioned above is not the x-ray emmision spectrum, but
> the band between the top of the valence band and the bottom of the
> conduction band. how can you get it from the near edge x-ray absorption
> spectrum?
>
> yushan
>
> > Read the physics textbook!
> >
>  Hi everyone,
>
>  i think that getting the bandgap in semiconductors from XANES
> experiments only is impossible. Band gaps come from exicitation from
> valence band to conduction band. XANES does not do that (core stuff and
> so on), so, without going to Berkeley (which must be great i am sure) or
> read all textbooks, seems to me your professor is wrong. But i am
> interested to know how he does that , if he does.
>
> best regards
>
> Philippe
>
>
>
>
> --
> Dr. Philippe MOREAU
>
> Maître de Conférences à l'université de Nantes
>
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