Fig. 4: Energy dependent QPI near the Γ point measured on a 24∘ twisted SLG-on-WSe2 heterostructure.
From: Determining spin-orbit coupling in graphene by quasiparticle interference imaging
a Magnified small q region of the Fourier transforms of different conductance maps \(dI/dV(V,\overrightarrow{r})\) measured at V = 30 mV, 20 mV, 10 mV, −10 mV, and −20 mV over the same area (scale bar, 0.5 nm−1). b Angular averaged cuts through the Γ point of the different Fourier transforms. c Energy dependence of the backscattering peaks in (b), with a linear fit (dashed lines) corresponding to a Fermi velocity vF ≈ 106 m/s (EF = 170 meV).
