[Wien] Temperature

[Laurence Marks]

Read my email and the paper by Mermin; your thinking is inappropriate.

---
Professor Laurence Marks
Department of Materials Science and Engineering
Northwestern University
www.numis.northwestern.edu
"Research is to see what everybody else has seen, and to think what nobody
else has thought" Albert Szent-Györgyi

On Tue, Jul 5, 2022, 6:11 PM Brik Hamida <hmd.brik at gmail.com> wrote:

> Dear
>
> I Explain my point of view :
> Using Wien2k code all calculations are done at 0 kelvin . So there is no
> thermal energy able to displace an electron from valence to conduction
> band.  Conduction bands levels are therefore empty.if for example the
> Wien2k-estimated bandgap  is of 2 eV so it is considered as semiconductor
> . so is it  logical to speak of energy conduction level  and wien2k
> calculates the density of charges /states in conduction band  namely DOS
> and we know that at T=0k the  material is insulator so no electron in
> conduction band.
>
> my second question :with respect to semiconductor definition,  it is
> conductor at ambient temperature so KT=25 meV . do you think that this
> energy it sufficent to displace the electron from VB to CB with Eg =2 eV.?
>
>
> Best regards
> Brik
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