Extended Data Fig. 7: Integer and fractional CIs at other sample locations. | Nature

Extended Data Fig. 7: Integer and fractional CIs at other sample locations.

From: Thermodynamic evidence of fractional Chern insulator in moiré MoTe2

Extended Data Fig. 7

a,b, Electronic incompressibility versus the filling factor and the out-of-plane electric field at zero magnetic field for the red (a) and blue (b) spots in Extended Data Fig. 6b. Similar to the black spot, incompressible states at ν = 1 and 2/3 are observed in the layer-hybridized region. The gate capacitances were measured locally using the sensor’s quantum oscillations as described in Methods and Extended Data Fig. 1, allowing accurate determination of the local twist angle. cf, Linear fits of the magnetic-field dependence of the incompressibility peak filling factor at the red spot yield a slope of 0.63 ± 0.08 for ν = 2/3 and 1.08 ± 0.09 for ν ± 1, consistent with the emergence of FCI and CI.

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