## effective mass

Hallo ...
I would like to know about the effect of the effective mass on the band structre of the materails..
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 Quote by Sahar Hallo ... I would like to know about the effect of the effective mass on the band structre of the materails..
You need to ask a more specific question here, because this is extremely vague. What exactly it is that you want to "know", assuming that you know how to find an effective mass given a band structure $\epsilon(k)$?

Zz.