Debye lunch lecture - Thomas Gardenier MSc (CMI)

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Title: Bee inspired: honeycombs on the atomic scale

Abstract: I will talk about artificial lattices made and measured in a scanning tunneling microscope. Honeycomb lattices such as graphene have many fascinating properties including Dirac cones in their band structure. My talk will focus on the separation of s and p orbital bands in the band structure of the honeycomb lattice which is not trivial considering (e.g.) graphene has a strong s-p hybridization.  I will show the techniques used and the rationale behind the artificial lattices and explain how we managed to see separated flat bands and Dirac cones.

Based on published paper:

p Orbital Flat Band and Dirac Cone in the Electronic Honeycomb Lattice

Thomas Gardenier, Jette van den Broeke, Jesper Moes, Ingmar Swart, Christophe Delerue, Marlou Slot, Christiane Morais Smith and Daniel Vanmaekelbergh

ACS Nano 14 (2020) 10, 13638–13644

DOI:

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