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2D Materials Forum (Apr 2017)

Speaker: 
Dr. Aleksandr Rodin
Date: 
Fri, 07/04/2017 - 11:00am
Location: 
S16 Level 6 - Theory conference room
Event Type: 
Seminars

Title:
Spin-Orbit Interaction in Buckled 2D Systems

Abstract:

Spin-orbit coupling in 2D materials can be either extrinsic or intrinsic. An example of the former is Rashba effect, where an external electric fields results in a formation of Dirac cones. Intrinsic SOC, on the other hand, typically leads to a gap opening, as seen in Xene’s and some transition metal dichalcogenides. It turns out that for certain lattice geometries, atomic spin-orbit interaction can give rise Rashba-like dispersion without an external field. We study a lattice which manifests this behaviour using tight-binding formalism and DFT calculations.

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