Dear vasp users
I am a new user of vasp
can someone tell me what is the definition of direct and indirect band gap?
thanks in advance
band question
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parnian
band question
Last edited by parnian on Wed Nov 02, 2011 2:14 pm, edited 1 time in total.
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magal
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band question
Direct band gap is when the the valence band maximum and conduction band minimum is for the same k point. When VBM and CBM are for different values of k it is said that band gap is indirect.
Last edited by magal on Wed Nov 02, 2011 2:25 pm, edited 1 time in total.