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.b...@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 > _______________________________________________ > Wien mailing list > Wien@zeus.theochem.tuwien.ac.at > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > SEARCH the MAILING-LIST at: > http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html >
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