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SUMMARY:Electronic properties and structural relaxation of twisted bilayer
  graphene: insights from large-scale first principles calculations - Giova
 nni Cantele
DTSTART:20210505T103000Z
DTEND:20210505T113000Z
UID:TALK160045@talks.cam.ac.uk
CONTACT:Angela Harper
DESCRIPTION:In this talk the electronic and structural properties of twist
 ed bilayer graphene down to the first magic angle are presented. By combin
 ing state-of-the-art first principles calculations with a low-energy conti
 nuum model\, we have studied the intriguing properties of twisted bilayer 
 graphene at several twist angles. The crucial role played by the interlaye
 r van der Waals interaction has been investigated\, in particular as far a
 s the properties of the flat bands showing up at the Fermi energy at speci
 al ‘magic’ angles are concerned. Our calculations revealed a strong in
 terplay between the twist angle and the atomic relaxation arising after tw
 isting.\n\nReferences\nP. Lucignano\, et al.\, Phys. Rev. B 99\, 195419 (2
 019)\nG.Cantele\, et al.\, Phys. Rev. Research 2\, 043127 (2020)
LOCATION:Zoom
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