Hi, I have a question about the calculated band structure for 2Dmaterials?

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Jackelyne Lisset Medina

Look for all Ferrari's papers.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.97.187401

Felipe Crasto de Lima

There are many database that contains 2D materials band structure (among other properties). For instance the C2DB

https://cmr.fysik.dtu.dk/c2db/c2db.html

Manoj Kumar Yadav

Quantum ESPRESSO works well.